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High-Power Quantum-Limited Photodiode and Classical Laser Noise Squashing
Authors
Vincent Dumont
Eamon Eagan
Jiaxing Ma
Jack C. Sankey
Publication date
4 August 2023
Publisher
View
on
arXiv
Abstract
To benefit high-power interferometry and the creation of low-noise light sources, we develop a simple lead-compensated photodetector enabling quantum-limited readout from 0.3 mW to 10 mW and 10 k
Ω
\Omega
Ω
transimpedance gain from 85 Hz - 35 MHz. Feeding the detector output back to an intensity modulator, we squash the classical amplitude noise of a commercial 1550 nm fiber laser to the shot noise limit over a bandwidth of 700 Hz - 200 kHz, observing no degradation to its (nominally ~100 Hz) linewidth.Comment: 7 pages, 6 figure
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oai:arXiv.org:2308.02476
Last time updated on 08/08/2023