Detecting femtowatt with lasers

Laurent Renaud Gabet; Guy Michel Stephan; Pascal Besnard

doi:10.1117/12.406311

15 December 2000 Detecting femtowatt with lasers

Laurent Renaud Gabet, Guy Michel Stephan, Pascal Besnard

Proceedings Volume 4087, Applications of Photonic Technology 4; (2000) https://doi.org/10.1117/12.406311
Event: 2000 International Conference on Application of Photonic Technology (ICAPT 2000), 2000, Quebec City, Canada

Abstract

We show that lasers can be used as detectors. The experimental set-up consists in optically injecting a slave laser with a laser whose linewidth is smaller. Heterodyne technique allows us to detect signals as small as -1 17 dBm or 0.2 photon per correlation time. We explain the experiment by interpreting the laser as a nonlinear amplifier and filter.

Citation Download Citation

Laurent Renaud Gabet, Guy Michel Stephan, and Pascal Besnard "Detecting femtowatt with lasers", Proc. SPIE 4087, Applications of Photonic Technology 4, (15 December 2000); https://doi.org/10.1117/12.406311

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