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Noise-immune quantum correlations of intense light
Quantum Physics · Submitted 9 Nov 2023
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Here, we demonstrate the creation of intense light with quantum levels of noise even when starting from inputs with large amounts of excess noise.
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The abstract, sentence by sentence
Lasers with high intensity generally exhibit strong intensity fluctuations far above the shot-noise level. Taming this noise is pivotal to a wide range of applications, both classical and quantum. Here, we demonstrate the creation of intense light with quantum levels of noise even when starting from inputs with large amounts of excess noise. In particular, we demonstrate how intense squeezed light with intensities approaching 0.1 TW/cm^2, but noise at or below the shot noise level, can be produced from noisy inputs associated with high-power amplified laser sources (an overall noise-reduction of 30-fold). Based on a new theory of quantum noise in multimode systems, we show that the ability to generate quantum light from noisy inputs results from multimode quantum correlations, which maximally decouple the output light from the dominant noise channels in the input light. As an example, we demonstrate this effect for femtosecond pulses in nonlinear fibers, but the noise-immune correlations that enable our results are generic to many other nonlinear systems in optics and beyond.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Lasers with high intensity generally exhibit strong intensity fluctuations far above the shot-noise level. | background 1.00 | 0.07 | 0.02 | asserted 0.99 |
| s1 | Taming this noise is pivotal to a wide range of applications, both classical and quantum. | background 1.00 | 0.04 | 0.04 | asserted 1.00 |
| s2 | Here, we demonstrate the creation of intense light with quantum levels of noise even when starting from inputs with large amounts of excess noise. | contribution 0.90 | 0.96 | 0.66 | asserted 1.00 |
| s3 | In particular, we demonstrate how intense squeezed light with intensities approaching 0.1 TW/cm^2, but noise at or below the shot noise level, can be produced from noisy inputs associated with high-power amplified laser sources (an overall noise-reduction of 30-fold). | result 0.98 | 0.96 | 0.41 | asserted 1.00 |
| s4 | Based on a new theory of quantum noise in multimode systems, we show that the ability to generate quantum light from noisy inputs results from multimode quantum correlations, which maximally decouple the output light from the dominant noise channels in the input light. | interpretation 0.97 | 0.88 | 0.47 | asserted 1.00 |
| s5 | As an example, we demonstrate this effect for femtosecond pulses in nonlinear fibers, but the noise-immune correlations that enable our results are generic to many other nonlinear systems in optics and beyond. | interpretation 0.74 | 0.88 | 0.14 | asserted 0.98 |
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The paper
Original abstract
Lasers with high intensity generally exhibit strong intensity fluctuations far above the shot-noise level. Taming this noise is pivotal to a wide range of applications, both classical and quantum. Here, we demonstrate the creation of intense light with quantum levels of noise even when starting from inputs with large amounts of excess noise. In particular, we demonstrate how intense squeezed light with intensities approaching 0.1 TW/cm^2, but noise at or below the shot noise level, can be produced from noisy inputs associated with high-power amplified laser sources (an overall noise-reduction of 30-fold). Based on a new theory of quantum noise in multimode systems, we show that the ability to generate quantum light from noisy inputs results from multimode quantum correlations, which maximally decouple the output light from the dominant noise channels in the input light. As an example, we demonstrate this effect for femtosecond pulses in nonlinear fibers, but the noise-immune correlations that enable our results are generic to many other nonlinear systems in optics and beyond.
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How the literature uses it
4 arXiv papers cite this in 8 sentences
Papers citing it · 5 sentences without a confident label
Uses its method or tool 1 paper
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To calculate noise properties, we augment the GNLSE with quantum sensitivity analysis (QSA), a recently proposed method to study the sensitivity of the noise in an output observable with respect to fluctuations in the input modes of a multimode system [ref] .
Probing intensity noise in ultrafast pulses using the dispersive Fourier transform augmented by quantum sensitivity analysis · Generalized nonlinear Schrodinger equation and quantum sensitivity analysis · 0.99
Cites it as support 1 paper
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Furthermore, as our abilities to control and probe multimode systems improve, there has been a resurgence of interest in their quantum properties, as evidenced by recent interesting experiments studying multimode Gaussian physics on platforms amenable to linear analysis of quantum correlations, such as soliton microcombs [ref] , supercontinuum generation [ref] , and pulsed squeezing [ref] .
Mesoscopic ultrafast nonlinear optics -- The emergence of multimode quantum non-Gaussian physics · Multimode physics · 0.97
What it cites
Cites as background 2 papers
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Examples of such systems and effects include complex parametric oscillators [ref] , integrated squeezed light sources [ref] , disordered systems [ref] , soliton microcombs [ref] , nonlinear parity-time symmetric systems [ref] , topological lasers [ref] , topological spatial solitons [ref] , and high-harmonic generation [ref] .
Quantum noise dynamics in nonlinear pulse propagation · Introduction · 0.94
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Examples of such systems and effects include complex parametric oscillators [ref] , integrated squeezed light sources [ref] , disordered systems [ref] , soliton microcombs [ref] , nonlinear parity-time symmetric systems [ref] , topological lasers [ref] , topological spatial solitons [ref] , and high-harmonic generation [ref] .
Driven-dissipative phases and dynamics in non-Markovian nonlinear photonics · Introduction · 0.94
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