Photon-noise reduction experiments with a Q-switched Nd:YAG laser

Prem Kumar; Jianming Huang; Orhan Aytur

doi:10.1117/12.48065

1 March 1991 Photon-noise reduction experiments with a Q-switched Nd:YAG laser

Prem Kumar, Jianming Huang, Orhan Aytur

Proceedings Volume 1376, Laser Noise; (1991) https://doi.org/10.1117/12.48065
Event: Advances in Intelligent Robotics Systems, 1990, Boston, MA, United States

Abstract

We demonstrate the use of a commercial mode-locked and Q-switched Nd:YAG laser in photon-noise reduction experiments. There are many frequency bands wherein the photodetection of such a laser is shot-noise limited. By appropriately filtering the photocurrent produced in direct detection of light from an optical parametric amplifier that is pumped with this laser we have successfully generated twin-beam states of light. We demonstrate that such twin beams can be used to make measurements below the shot-noise limit.

Citation Download Citation

Prem Kumar, Jianming Huang, and Orhan Aytur "Photon-noise reduction experiments with a Q-switched Nd:YAG laser", Proc. SPIE 1376, Laser Noise, (1 March 1991); https://doi.org/10.1117/12.48065

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