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REVIEW 3 major objections 3 minor 47 references

Ytterbium-laser-driven THz generation in thin lithium niobate at 1.9 kW average power in a passive enhancement cavity

T0 review · 3 major / 3 minor · reviewed 2026-08-10 · deepseek-v4-flash

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Pith's one-line read A passive enhancement cavity multiplies an 8 W ytterbium fiber laser's power 240-fold to 1.9 kW, generating milliwatt-level single-cycle THz pulses at 93 MHz repetition rate.

desk verdict A credible passive-cavity OR demonstration with real engineering value; the absolute power numbers need clarification before the headline is fully secure. read the letter →

arxiv 2501.01204 v1 pith:3CIDQYJM submitted 2025-01-02 physics.optics

Edoardo Suerra , Francesco Canella , Dario Giannotti , Mohsen Khalili , Yicheng Wang , Kore Hasse , Sergiy Suntsov , Detlef Kip
show 3 more authors
Clara Saraceno Simone Cialdi Gianluca Galzerano
This is my paper · ORCID
classification physics.optics
keywords terahertzgenerationopticalrectificationpassiveenhancementcavitylithiumniobateytterbiumfiberlaserhighrepetitionratesingle-cycleTHzpulsescavity-enhancednonlinearoptics
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper demonstrates the first optical rectification in a passive enhancement cavity at multi-kilowatt circulating power. A 240-fold resonant gain brings a commercial 8 W ytterbium fiber laser up to 1.9 kW average power inside the cavity, where a 50-micrometer-thin lithium niobate plate converts part of it to THz pulses. The measured THz output is 0.65 mW (an estimated 1.7 mW after correcting for water absorption and mirror filtering) with a 2-THz bandwidth and a 93-MHz repetition rate. The significance is that high-repetition-rate, milliwatt-level single-cycle THz sources could be driven by inexpensive watt-level lasers rather than custom multi-hundred-watt systems.

What carries the argument

The central object is the four-mirror bow-tie passive enhancement cavity with a finesse of 750 and a 240-fold power gain, which amplifies the pulse energy of a commercial ytterbium fiber laser before it reaches the nonlinear crystal. The 50-micrometer lithium niobate plate is the second essential element: its extreme thinness keeps the intracavity group delay dispersion below 100 $fs^{2}$ and its antireflection coating keeps losses low enough to preserve the high cavity gain, while its broad phase-matching and low THz re-absorption allow efficient optical rectification. The measured quadratic scaling of THz power with infrared power confirms that the conversion follows the expected nonlinear response.

What would settle it

Measure the intracavity power directly with the lithium niobate plate in place and the cavity locked—for example, using a calibrated transmitted-power pickoff—and compare the result to the 1.9 kW value inferred from the empty-cavity calibration.

Watch

Extended reading notes

Core claim

The central claim is that a passive enhancement cavity can serve as a practical platform for optical rectification: with the thin lithium niobate plate inserted, the cavity still reaches a gain of 240, sustaining 1.9 kW of circulating average power from less than 10 W of input, and produces single-cycle THz pulses at 93 MHz with a spectrum extending to 2 THz. The authors further report that lithium niobate survives this kilowatt-level average power without damage, that the THz power scales quadratically with infrared power with no saturation at the optimal beam radius, and that the conversion efficiency is limited mainly by the 250-fs driving pulse duration rather than by the cavity scheme.

Load-bearing premise

The load-bearing premise is that the photodiode calibration performed with the empty cavity (gain 328) remains valid when the lithium niobate plate is inserted and the cavity is locked, so the reported 1.9 kW circulating power is accurate.

Editorial extensions

If this is right

  • If the scheme is correct, commercial watt-level ytterbium lasers can drive mW-level THz sources at tens-to-hundreds of MHz repetition rates, avoiding the need for custom high-power ultrafast amplifiers.
  • Because the enhancement cavity is decoupled from the laser's mode-locking dynamics, the same cavity approach could be transplanted to other driving wavelengths and other nonlinear crystals without redesigning the laser.
  • The THz bandwidth is limited by the 250-fs driving pulses; using a shorter-pulse ytterbium laser should directly widen the spectrum beyond 2 THz while keeping the same cavity gain.
  • Lithium niobate's damage-free operation at 1.9 kW average power suggests that the cavity power can be pushed further, with the main observed limit being a phonon-related interaction that appears only when the focused intensity exceeds roughly 70 GW/cm².
  • The measured 0.65 mW corresponds to an efficiency of 3.4×10^-7 relative to circulating power, but after correcting for water vapor and OAP filtering the generated power is estimated at 1.7 mW, implying the real conversion efficiency is close to 2×10^-4.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • A testable extension beyond this paper: the same enhancement-cavity scheme could be applied to other pump wavelengths and crystals, so long as the inserted plate adds less than a few tenths of a percent loss, because the gain scales directly with total cavity loss.
  • An implication the authors leave implicit: the observed phonon-assisted 1100 nm emission at high intensities may set a practical peak-intensity ceiling for thin lithium niobate, so further power scaling would need larger focal spots or different crystal geometries.
  • The paper's own estimate that the generated THz power is 1.7 mW rather than the measured 0.65 mW suggests that reported efficiencies are conservative; a direct efficiency measurement with a calibrated THz detector and a dry purge would test this.
  • If the driving pulse duration were compressed below 100 fs, the THz bandwidth and conversion efficiency should increase substantially, since the paper identifies pulse duration as the main bottleneck; no additional cavity redesign would be needed.
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Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

3 major / 3 minor

Summary. The manuscript reports the use of a passive enhancement cavity (nominal finesse 750, empty-cavity gain 328) to coherently combine pulses from a 9-W commercial Yb fiber laser (8 W coupled) and drive optical rectification in a 50-micrometer lithium niobate plate. The authors quote 1.9 kW circulating average power at 92.9 MHz (240-fold enhancement), 0.65 mW measured THz average power, and an estimated 1.7 mW generated THz power after correcting for water absorption and off-axis-parabolic-mirror filtering. The THz field is single-cycle, with spectrum extending to about 2 THz; the measured spectrum agrees with a coupled-wave simulation using literature parameters and no fitted free parameters. The paper claims the first optical rectification demonstration in a passive enhancement cavity at multi-kW level and the highest driving average power used for optical rectification.

Significance. If the quantitative claims hold, this is a significant experimental advance: it shows that a standard watt-level Yb laser can be boosted by a passive cavity to multi-kW circulating power and used for mW-level THz generation, avoiding the need for high-power oscillator or amplifier expertise and decoupling THz generation from mode-locking dynamics. The experiment is internally consistent: THz power scales quadratically with inferred IR power, electro-optic sampling shows a clean single-cycle waveform, and the spectrum simulation uses standard coupled-wave equations and literature material parameters without fitting to the measured THz spectrum. The main weaknesses are not in the concept but in the transparency and uncertainty of the absolute power calibrations.

major comments (3)
  1. [Section II, THz power measurement] The description 'placing two calibrated black sheets (THz transmission 20%)' is ambiguous. If each sheet transmits 20%, the pair transmits 4%, a factor-of-25 correction that is not included in the stated loss budget (water vapor 9%, first OAP 57.9%, total 61.7%). Please state whether the quoted 0.65 mW is the raw meter reading behind the two sheets or a corrected value, and specify the total black-sheet transmission used. This directly affects the headline THz power and the reported efficiencies (3.4e-7 and 2e-4).
  2. [Section II, intracavity power monitor] The voltage-to-power coefficient is calibrated from the empty-cavity gain of 328 and then used to quote 1.9 kW while the LN plate is inserted. Although a transmission-photodiode calibration can in principle be cavity-gain independent, the manuscript does not demonstrate that the coefficient remains valid under operation (thermal load, mode-matching changes, or mirror-transmission changes), and no uncertainty is given. Please provide an in-situ check or a quantitative systematic-error bound for the 1.9-kW and 240-fold enhancement claims.
  3. [Section II and Fig. 3] The THz power data points are plotted without error bars or repetition statistics. Because the x-axis relies on the same absolute power calibration, the quadratic fits do not independently validate the absolute power scale. Please report measurement uncertainties and the number of repeated measurements.
minor comments (3)
  1. [Section III, last paragraph] The sentence about 'improving the conversion efficiency to 10^-6' appears inconsistent with the reported 2e-4 generation efficiency and 0.8e-4 input-to-output efficiency; the intended target value should be corrected.
  2. [Section II, Fig. 2 caption] The autocorrelation FWHM of 270 fs is stated in the text but not in the caption; consider adding the inferred 190-fs pulse duration to the caption for clarity.
  3. [Section II, text after Fig. 2] The statement that the intracavity spectrum is not directly accessible and therefore the transmitted beam spectrum is measured assumes that the mirror transmission is spectrally flat over the pulse bandwidth; a brief statement of the mirror coating bandwidth or the measured transmitted spectrum's sensitivity would help.

Circularity Check

0 steps flagged · score 0.0 of 10

No significant circularity: the central THz result is a direct measurement, and the supporting simulation uses independent coupled-wave equations with literature parameters, not fitted to the measured spectrum.

full rationale

The paper's central claim—0.65 mW measured THz average power generated at an inferred 1.9 kW intracavity power—is an experimental measurement, not a derivation from a fitted parameter. The THz spectrum simulation is explicitly based on coupled-wave equations following Ref. 39, with literature material parameters, and the paper states that deviations at high frequency are attributed to uncertain literature refractive-index data, not to a fitted adjustment. No parameter is fitted to the measured THz spectrum, so the simulation does not reduce to the measurement. The intracavity power monitor is calibrated using the measured empty-cavity gain of 328, and the paper then quotes 1.9 kW during THz generation; this is an experimental calibration assumption and a possible source of systematic error, but it is not circular because the 1.9-kW figure is not defined in terms of the THz output nor obtained by fitting the THz data. The self-citations present (Refs. 21, 28, 29, 31, 32) are used for prior crystal characterization, a finesse-measurement technique, and earlier GaP attempts; none of these is invoked as a uniqueness theorem or used to forbid alternatives, and the central result does not logically reduce to them. The observed quadratic scaling of THz power with inferred IR power is consistent with optical rectification but is not used to construct the claim; it is a consistency check. No circular step matching the enumerated patterns can be quoted and exhibited from the text, so the appropriate finding is no significant circularity.

Assumptions & free parameters 0 free parameters · 4 assumptions · 0 invented entities

The paper is an experimental demonstration. The central claims rest on experimental calibrations (intracavity power, THz power) and on literature material parameters for lithium niobate, not on fitted model constants. No new physical entities are introduced. The cavity gain and pulse-duration estimates carry the main assumptions.

assumptions (4)
  • domain assumption The 50-µm AR-coated LN plate adds negligible additional loss to the enhancement cavity, so the circulating power with the plate (240x gain) is only slightly reduced from the empty-cavity value (328x).
    Section II: the gain values are quoted (328 without, 240 with LN), but no direct in-situ loss measurement of the plate at 1.9 kW is reported; the power calibration relies on this assumption.
  • domain assumption The intracavity pulse duration is 250 fs, inferred by assuming the input time-bandwidth product (0.555) is preserved when the spectrum narrows to 7.9 nm.
    Section II, 'An estimation of the EC pulse length...'; nonlinear effects are stated to be negligible, but no direct intracavity autocorrelation is available.
  • standard math The coupled-wave equations for optical rectification (Ref 39, Hattori and Takeuchi) describe the THz generation in the thin LN plate in this geometry.
    Section II, THz spectrum simulation: 'calculated by solving the coupled wave equations for OR following the procedure reported in Ref 39'.
  • domain assumption Literature values for the THz refractive index and absorption of congruent lithium niobate are accurate up to about 2 THz at the operating temperature.
    Section II: 'A small deviation can be noticed at higher frequencies, most likely due to a lack of precise literature data...'.

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Cite this review

Pith. "Pith review of Ytterbium-laser-driven THz generation in thin lithium niobate at 1.9 kW average power in a passive enhancement cavity." pith.science (2026). https://pith.science/paper/3CIDQYJM

@misc{pith2026250101204,
  author       = {Pith},
  title        = {Pith review of: Ytterbium-laser-driven THz generation in thin lithium niobate at 1.9 kW average power in a passive enhancement cavity},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/3CIDQYJM}},
  note         = {Machine review of arXiv:2501.01204}
}
abstract

Single-cycle, high-power, high-repetition-rate THz pulse sources are becoming the cornerstone of several scientific and industrial applications. A promising and versatile method for high-power THz generation is optical rectification in nonlinear crystals pumped by powerful near-infrared ultrafast laser systems. In this context, ytterbium-based laser sources are particularly advantageous in terms of power scalability and technology establishment. However, as the repetition rate increases toward hundreds of MHz, the conversion efficiency typically decreases, as most laser systems do not reach sufficiently high average power to correspondingly enhance the peak power to drive the nonlinear conversion process efficiently. An alternative approach to achieving sufficiently high average power at high repetition rate is based on passive enhancement cavities, which boost the pulse energy of standard watt-level ytterbium lasers by orders of magnitude. We present the first demonstration of optical rectification in a passive enhancement cavity at multi-kW levels, achieved by a 240-fold power enhancement. By irradiating a 50-$\mu$m thin lithium niobate plate with 1.9-kW average power inside the enhancement cavity, we generate milliwatt-level THz pulses with 2-THz bandwidth and 93-MHz repetition rate, mostly limited by the driving pulse duration. To the best of our knowledge, this represents the highest driving average power used for OR. This methodology represents a promising new step towards high-repetition-rate and high average power single-cycle THz sources using widely available multi-watt level Yb lasers.

Figures

Figures reproduced from arXiv: 2501.01204 by the authors.

Figure 1
Figure 1. FIG. 1. Experimental setup. HWP/QWP half/quarter-wave plate; [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 2
Figure 2. FIG. 2. SH intensity autocorrelation of the laser (a) and optical spec [PITH_FULL_IMAGE:figures/full_fig_p003_2.png] view at source ↗
Figure 3
Figure 3. FIG. 3. Measured THz power as a function of IR pump power, for [PITH_FULL_IMAGE:figures/full_fig_p004_3.png] view at source ↗

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Works this paper leans on

47 extracted references · 32 canonical work pages

  1. [1]

    merlin.mbs aapmrev4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked

    FUNCTION id.bst "merlin.mbs aapmrev4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked" ENTRY address archive archivePrefix author bookaddress booktitle chapter collaboration doi edition editor eid eprint howpublished institution isbn issn journal key language month note number organization pages primaryClass publisher school SLACcitation series title translat...

    2010

  2. [2]

    merlin.mbs aipauth4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked

    FUNCTION id.bst "merlin.mbs aipauth4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked" ENTRY address archive archivePrefix author bookaddress booktitle chapter collaboration doi edition editor eid eprint howpublished institution isbn issn journal key language month note number organization pages primaryClass publisher school SLACcitation series title translat...

    2010

  3. [3]

    merlin.mbs aipnum4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked

    FUNCTION id.bst "merlin.mbs aipnum4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked" ENTRY address archive archivePrefix author bookaddress booktitle chapter collaboration doi edition editor eid eprint howpublished institution isbn issn journal key language month note number organization pages primaryClass publisher school SLACcitation series title translati...

    2010

  4. [4]

    merlin.mbs apsrev4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked

    FUNCTION id.bst "merlin.mbs apsrev4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked" ENTRY address archive archivePrefix author bookaddress booktitle chapter collaboration doi edition editor eid eprint howpublished institution isbn issn journal key language month note number organization pages primaryClass publisher school SLACcitation series title translati...

    2010

  5. [5]

    merlin.mbs apsrmp4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked

    FUNCTION id.bst "merlin.mbs apsrmp4-1.bst 2010-07-25 4.21a (PWD, AO, DPC) hacked" ENTRY address archive archivePrefix author bookaddress booktitle chapter collaboration doi edition editor eid eprint howpublished institution isbn issn journal key language month note number organization pages primaryClass publisher school SLACcitation series title translati...

    2010

  6. [6]

    Koch , author D

    author author M. Koch , author D. M. \ Mittleman , author J. Ornik , \ and\ author E. Castro-Camus ,\ title title Terahertz time-domain spectroscopy , \ 10.1038/s43586-023-00232-z journal journal Nature Reviews Methods Primers \ volume 3 ,\ pages 48 ( year 2023 ) NoStop

    doi:10.1038/s43586-023-00232-z

  7. [7]

    Neu \ and\ author C

    author author J. Neu \ and\ author C. A. \ Schmuttenmaer ,\ title title Tutorial: An introduction to terahertz time domain spectroscopy (THz-TDS) , \ 10.1063/1.5047659 journal journal Journal of Applied Physics \ volume 124 ( year 2018 ),\ 10.1063/1.5047659 NoStop

    doi:10.1063/1.5047659

  8. [8]

    Jepsen , author D

    author author P. Jepsen , author D. Cooke , \ and\ author M. Koch ,\ title title Terahertz spectroscopy and imaging – modern techniques and applications , \ https://doi.org/10.1002/lpor.201000011 journal journal Laser & Photon. Rev. \ volume 5 ,\ pages 124--166 ( year 2011 ) ,\ http://arxiv.org/abs/https://onlinelibrary.wiley.com/doi/pdf/10.1002/lpor.2010...

    doi:10.1002/lpor.201000011

Show all 47 references
  1. [9]

    Mansourzadeh , author D

    author author S. Mansourzadeh , author D. Damyanov , author T. Vogel , author F. Wulf , author R. B. \ Kohlhaas , author B. Globisch , author T. Schultze , author M. Hoffmann , author J. C. \ Balzer , \ and\ author C. J. \ Saraceno ,\ title title High-power lensless thz imagin...

  2. [10]

    author author N. M. \ Burford \ and\ author M. O. \ El-Shenawee ,\ title title Review of terahertz photoconductive antenna technology , \ 10.1117/1.OE.56.1.010901 journal journal Optical Engineering \ volume 56 ,\ pages 010901 ( year 2017 ) NoStop

    doi

  3. [11]

    Dohms , author N

    author author A. Dohms , author N. Vieweg , author S. Breuer , author T. Heßelmann , author R. Herda , author N. Regner , author S. Keyvaninia , author M. Gruner , author L. Liebermeister , author M. Schell , \ and\ author R. B. \ Kohlhaas ,\ title title Fiber-coupled thz tds ...

  4. [12]

    author author N. T. \ Yardimci , author S. Cakmakyapan , author S. Hemmati , \ and\ author M. Jarrahi ,\ title title A High-Power Broadband Terahertz Source Enabled by Three-Dimensional Light Confinement in a Plasmonic Nanocavity , \ 10.1038/s41598-017-04553-4 journal journal ...

    doi

  5. [13]

    Khalili , author T

    author author M. Khalili , author T. Vogel , author Y. Wang , author S. Mansourzadeh , author A. Singh , author S. Winnerl , \ and\ author C. J. \ Saraceno ,\ title title Microstructured large-area photoconductive terahertz emitters driven at high average power , \ 10.1364/OE....

    doi

  6. [14]

    author author C. J. \ Saraceno , author D. Sutter , author T. Metzger , \ and\ author M. Abdou Ahmed ,\ title title The amazing progress of high-power ultrafast thin-disk lasers , \ 10.1186/s41476-019-0108-1 journal journal J. Eur. Opt. Soc.-Rapid Publ. \ volume 15 ,\ pages 15...

    doi

  7. [15]

    u ller , author C. Aleshire , author A. Klenke , author E. Haddad , author F. L\' e gar\' e , author A. T\

    author author M. M\" u ller , author C. Aleshire , author A. Klenke , author E. Haddad , author F. L\' e gar\' e , author A. T\" u nnermann , \ and\ author J. Limpert ,\ title title 10.4 kw coherently combined ultrafast fiber laser , \ 10.1364/OL.392843 journal journal Opt. Le...

    doi

  8. [16]

    author author P. L. \ Kramer , author M. K. R. \ Windeler , author K. Mecseki , author E. G. \ Champenois , author M. C. \ Hoffmann , \ and\ author F. Tavella ,\ title title Enabling high repetition rate nonlinear thz science with a kilowatt-class sub-100 fs laser source , \ 1...

    doi

  9. [17]

    Buldt , author H

    author author J. Buldt , author H. Stark , author M. M\" u ller , author C. Grebing , author C. Jauregui , \ and\ author J. Limpert ,\ title title Gas-plasma-based generation of broadband terahertz radiation with 640 mw average power , \ 10.1364/OL.442374 journal journal Opt. ...

    doi

  10. [18]

    Vogel , author S

    author author T. Vogel , author S. Mansourzadeh , \ and\ author C. J. \ Saraceno ,\ title title Single-cycle, 643 mW average power terahertz source based on tilted pulse front in lithium niobate , \ 10.1364/OL.532219 journal journal Optics Letters \ volume 49 ,\ pages 4517 ( y...

    doi

  11. [19]

    author author J. A. \ Fülöp , author S. Tzortzakis , \ and\ author T. Kampfrath ,\ title title Laser-driven strong-field terahertz sources , \ https://doi.org/10.1002/adom.201900681 journal journal Advanced Optical Materials \ volume 8 ,\ pages 1900681 ( year 2020 ) ,\ http://...

    doi

  12. [20]

    Meyer , author T

    author author F. Meyer , author T. Vogel , author S. Ahmed , \ and\ author C. J. \ Saraceno ,\ title title Single-cycle, mhz repetition rate thz source with 66 mw of average power , \ 10.1364/OL.386305 journal journal Opt. Lett. \ volume 45 ,\ pages 2494--2497 ( year 2020 ) NoStop

    doi

  13. [21]

    Mansourzadeh , author T

    author author S. Mansourzadeh , author T. Vogel , author M. Shalaby , author F. Wulf , \ and\ author C. J. \ Saraceno ,\ title title Milliwatt average power, MHz-repetition rate, broadband THz generation in organic crystal BNA with diamond substrate , \ 10.1364/OE.435344 journ...

    doi

  14. [22]

    author author T. O. \ Buchmann , author E. J. \ Railton Kelleher , author M. Jazbinsek , author B. Zhou , author J.-H. \ Seok , author O.-P. \ Kwon , author F. Rotermund , \ and\ author P. U. \ Jepsen ,\ title title High-power few-cycle THz generation at MHz repetition rates i...

    doi

  15. [23]

    Weiss , author G

    author author C. Weiss , author G. Torosyan , author Y. Avetisyan , \ and\ author R. Beigang ,\ title title Generation of tunable narrow-band surface-emitted terahertz radiation in periodically poled lithium niobate , \ 10.1364/OL.26.000563 journal journal Opt. Lett. \ volume ...

    doi

  16. [24]

    Nagai , author K

    author author M. Nagai , author K. Tanaka , author H. Ohtake , author T. Bessho , author T. Sugiura , author T. Hirosumi , \ and\ author M. Yoshida ,\ title title Generation and detection of terahertz radiation by electro-optical process in GaAs using 1.56 m fiber laser pulses...

    doi

  17. [25]

    Hamrouni , author J

    author author M. Hamrouni , author J. Drs , author N. Modsching , author V. J. \ Wittwer , author F. Labaye , \ and\ author T. S\" u dmeyer ,\ title title Intra-oscillator broadband thz generation in a compact ultrafast diode-pumped solid-state laser , \ 10.1364/OE.426750 jour...

    doi

  18. [26]

    Wang , author T

    author author Y. Wang , author T. Vogel , author M. Khalili , author S. Mansourzadeh , author K. Hasse , author S. Suntsov , author D. Kip , \ and\ author C. J. \ Saraceno ,\ title title High-power intracavity single-cycle thz pulse generation using thin lithium niobate , \ 10...

    doi

  19. [27]

    u nnermann , author T. W. \ H\

    author author I. Pupeza , author T. Eidam , author J. Rauschenberger , author B. Bernhardt , author A. Ozawa , author E. Fill , author A. Apolonski , author T. Udem , author J. Limpert , author Z. A. \ Alahmed , author A. M. \ Azzeer , author A. T\" u nnermann , author T. W. \...

    doi

  20. [28]

    Carstens , author N

    author author H. Carstens , author N. Lilienfein , author S. Holzberger , author C. Jocher , author T. Eidam , author J. Limpert , author A. T\" u nnermann , author J. Weitenberg , author D. C. \ Yost , author A. Alghamdi , author Z. Alahmed , author A. Azzeer , author A. Apol...

    doi

  21. [29]

    Pupeza , author C

    author author I. Pupeza , author C. Zhang , author M. H \" o gner , \ and\ author J. Ye ,\ title title Extreme-ultraviolet frequency combs for precision metrology and attosecond science , \ 10.1038/s41566-020-00741-3 journal journal Nature Photonics \ ( year 2021 ),\ 10.1038/s...

    doi

  22. [30]

    Kulpe , author M

    author author S. Kulpe , author M. Dierolf , author B. Günther , author J. Brantl , author M. Busse , author K. Achterhold , author F. Pfeiffer , \ and\ author D. Pfeiffer ,\ title title Spectroscopic imaging at compact inverse compton x-ray sources , \ https://doi.org/10.1016...

    doi

  23. [31]

    Zhang , author T

    author author C. Zhang , author T. Ooi , author J. S. \ Higgins , author J. F. \ Doyle , author L. von der Wense , author K. Beeks , author A. Leitner , author G. A. \ Kazakov , author P. Li , author P. G. \ Thirolf , author T. Schumm , \ and\ author J. Ye ,\ title title Frequ...

    doi

  24. [32]

    Theuer , author D

    author author M. Theuer , author D. Molter , author K. Maki , author C. Otani , author J. A. \ L'huillier , \ and\ author R. Beigang ,\ title title Terahertz generation in an actively controlled femtosecond enhancement cavity , \ 10.1063/1.2966342 journal journal Applied Physi...

    doi

  25. [33]

    Suerra , author F

    author author E. Suerra , author F. Canella , author D. Giannotti , author S. Cialdi , \ and\ author G. Galzerano ,\ title title Generation of high repetition rate thz radiation at the mill-watt-level via optical rectification in an enhancement cavity , \ 10.1051/epjconf/20232...

  26. [34]

    Canella , author E

    author author F. Canella , author E. Suerra , author D. Giannotti , author S. Cialdi , \ and\ author G. Galzerano ,\ title title Perspectives and experimental challenges of high repetition rate thz generation via optical rectification in gap crystals inside an enhancement reso...

    doi

  27. [35]

    Hekmat , author T

    author author N. Hekmat , author T. Vogel , author Y. Wang , author S. Mansourzadeh , author F. Aslani , author A. Omar , author M. Hoffmann , author F. Meyer , \ and\ author C. J. \ Saraceno ,\ title title Cryogenically cooled gap for optical rectification at high excitation ...

    doi

  28. [36]

    Galzerano , author E

    author author G. Galzerano , author E. Suerra , author D. Giannotti , author F. Canella , author E. Vicentini , \ and\ author S. Cialdi ,\ title title Accurate measurement of optical resonator finesse , \ 10.1109/TIM.2020.3001369 journal journal IEEE Transactions on Instrument...

    2020

  29. [37]

    Canella , author E

    author author F. Canella , author E. Suerra , author D. Giannotti , author G. Galzerano , \ and\ author S. Cialdi ,\ title title Low frequency-to-intensity noise conversion in a pulsed laser cavity locking by exploiting carrier envelope offset , \ 10.1007/s00340-022-07924-6 jo...

    arXiv

  30. [38]

    author author R. J. \ Jones \ and\ author J. Ye ,\ title title Femtosecond pulse amplification by coherent addition in a passive optical cavity , \ 10.1364/OL.27.001848 journal journal Optics Letters \ volume 27 ,\ pages 1848 ( year 2002 ) NoStop

    doi

  31. [39]

    Holzberger , author N

    author author S. Holzberger , author N. Lilienfein , author M. Trubetskov , author H. Carstens , author F. L \" u cking , author V. Pervak , author F. Krausz , \ and\ author I. Pupeza ,\ title title Enhancement cavities for zero-offset-frequency pulse trains , \ 10.1364/OL.40....

    doi

  32. [40]

    author author R. W. P. \ Drever , author J. L. \ Hall , author F. V. \ Kowalski , author J. Hough , author G. M. \ Ford , author A. J. \ Munley , \ and\ author H. Ward ,\ title title Laser phase and frequency stabilization using an optical resonator , \ 10.1007/BF00702605 jour...

    doi

  33. [41]

    author author R. J. \ Jones \ and\ author J.-C. \ Diels ,\ title title Stabilization of femtosecond lasers for optical frequency metrology and direct optical to radio frequency synthesis , \ 10.1103/PhysRevLett.86.3288 journal journal Phys. Rev. Lett. \ volume 86 ,\ pages 3288...

    doi

  34. [42]

    Telle , author G

    author author H. Telle , author G. Steinmeyer , author A. Dunlop , author J. Stenger , author D. Sutter , \ and\ author U. Keller ,\ title title Carrier-envelope offset phase control: A novel concept for absolute optical frequency measurement and ultrashort pulse generation , ...

    doi

  35. [43]

    author author V. S. \ Gorelik , author N. V. \ Sidorov , author A. I. \ Vodchits , author B. P. \ Gorshunov , \ and\ author A. Y. \ Pyatyshev ,\ title title Light scattering from polar and pseudoscalar modes in doped linbo3 and litao3 monocrystals , \ 10.1088/1742-6596/918/1/0...

    doi

  36. [44]

    Hattori \ and\ author K

    author author T. Hattori \ and\ author K. Takeuchi ,\ title title Simulation study on cascaded terahertz pulse generation in electro-optic crystals , \ 10.1364/OE.15.008076 journal journal Opt. Express \ volume 15 ,\ pages 8076--8093 ( year 2007 ) NoStop

    doi

  37. [45]

    Faure , author J

    author author J. Faure , author J. Van Tilborg , author R. A. \ Kaindl , \ and\ author W. P. \ Leemans ,\ title title Modelling Laser-Based Table-Top THz Sources: Optical Rectification, Propagation and Electro-Optic Sampling , \ 10.1023/B:OQEL.0000039617.85129.c2 journal journ...

  38. [46]

    Wu , author C

    author author X. Wu , author C. Zhou , author W. R. \ Huang , author F. Ahr , \ and\ author F. X. \ K\" a rtner ,\ title title Temperature dependent refractive index and absorption coefficient of congruent lithium niobate crystals in the terahertz range , \ 10.1364/OE.23.02972...

    doi

  39. [47]

    Unferdorben , author Z

    author author M. Unferdorben , author Z. Szaller , author I. Hajdara , author J. Hebling , \ and\ author L. P \' a lfalvi ,\ title title Measurement of Refractive Index and Absorption Coefficient of Congruent and Stoichiometric Lithium Niobate in the Terahertz Range , \ 10.100...

    doi

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Reviewed August 10, 2026 · model on record in the stance chip above.