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Optics Letters

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  • Vol. 23, Iss. 7 — Apr. 1, 1998
  • pp: 540–542

Noiseless independent signal and power amplification

E. H. Huntington, P. K. Lam, T. C. Ralph, D. E. McClelland, and H.-A. Bachor  »View Author Affiliations


Optics Letters, Vol. 23, Issue 7, pp. 540-542 (1998)
http://dx.doi.org/10.1364/OL.23.000540


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Abstract

We present a noiseless optical amplifier comprising a signal-amplifying feed-forward loop and a power-amplifying injection-locked laser. We demonstrate that the signal amplifier can attain a signal-transfer coefficient limited solely by the quantum efficiency of our in-loop photodetector and that we can independently amplify the optical power while leaving the normalized intensity-noise spectral density of the input field unchanged.

© 1998 Optical Society ofAmerica

OCIS Codes
(140.3520) Lasers and laser optics : Lasers, injection-locked
(250.4480) Optoelectronics : Optical amplifiers
(270.0270) Quantum optics : Quantum optics

Citation
E. H. Huntington, P. K. Lam, T. C. Ralph, D. E. McClelland, and H.-A. Bachor, "Noiseless independent signal and power amplification," Opt. Lett. 23, 540-542 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-7-540


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