Sub-kHz lasing of a CaF_2 Whispering Gallery Mode Resonator Stabilized Fiber Ring Laser

B. Sprenger; F. Sedlmeir; H. G. L. Schwefel; L. J. Wang; M. C. Collodo; S. Svitlov

arxiv: 1208.0245 · v1 · pith:LYUEF5XZnew · submitted 2012-08-01 · ⚛️ physics.optics

Sub-kHz lasing of a CaF₂ Whispering Gallery Mode Resonator Stabilized Fiber Ring Laser

M. C. Collodo , F. Sedlmeir , B. Sprenger , S. Svitlov , L. J. Wang , H. G. L. Schwefel This is my paper

classification ⚛️ physics.optics

keywords laserlinewidthfiberlasingresonatorringbelowcalcium

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We utilize a high quality calcium fluoride whispering-gallery-mode resonator to stabilize a simple erbium doped fiber ring laser with an emission frequency of 196 THz (wavelenght 1530 nm) to a linewidth below 650 Hz. This corresponds to a relative stability of 3.3 x 10^(-12) over 16 \mus. In order to characterize the linewidth we use two identical self-built lasers and a commercial laser to determine the individual lasing linewidth via the three-cornered hat method.

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Sub-kHz lasing of a CaF₂ Whispering Gallery Mode Resonator Stabilized Fiber Ring Laser

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