Reduction in laser-intensity fluctuations by a feedback-controlled output mirror

Wiseman, H. M. and Milburn, G. J. (1992) Reduction in laser-intensity fluctuations by a feedback-controlled output mirror. Physical Review a, 46 5: 2853-2858. doi:10.1103/PhysRevA.46.2853

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Author Wiseman, H. M.
Milburn, G. J.
Title Reduction in laser-intensity fluctuations by a feedback-controlled output mirror
Journal name Physical Review a   Check publisher's open access policy
ISSN 1050-2947
Publication date 1992-09-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.46.2853
Open Access Status File (Publisher version)
Volume 46
Issue 5
Start page 2853
End page 2858
Total pages 6
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract We present the theory of a laser in which the transmittivity of one output mirror is controlled by a current derived from a photodetector illuminated by the output light from that end of the cavity. That is, one output port of the laser is controlled by a feedback loop. We calculate the photon statistics inside the cavity. We also calculate the spectrum of intensity fluctuations for the light leaving the cavity through the output mirror not controlled by feedback. We show that intensity fluctuations inside the cavity may be reduced to 50% below the Poissonian limit while outside the cavity the reduction is at best 25% of the shot-noise limit. These optimum results, however, are not achieved under the same operating conditions.
Keyword Noise-Reduction
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Engineering Publications
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Citation counts: TR Web of Science Citation Count  Cited 10 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 13 times in Scopus Article | Citations
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