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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 20, Iss. 6 — Jun. 1, 2002
  • pp: 969–

Experimental Study on Noise Characteristics of a Gain-Saturated Fiber Optical Parametric Amplifier

Kyo Inoue and Takaaki Mukai

Journal of Lightwave Technology, Vol. 20, Issue 6, pp. 969- (2002)


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Abstract

A fiber optical parametric amplifier (OPA) has a unique saturation property such that, with increase in signal input, the signal output power increases, reaches a peak level, then decreases. Around the output peak condition,a negative feedback mechanism works to suppress intensity fluctuations in the signal output. This paper experimentally studies noise characteristics of such a gain-saturated fiber OPA. Two kinds of incident signals are injected into a fiber OPA. One is intentionally fluctuated light with large excess noise and the other is excess-noise-free (or shot-noise-limited) light. It is demonstrated that the noise suppression has an effect both on the excess noise and on beat noise due to amplified spontaneous emission generated inside the amplifier.

[IEEE ]

Citation
Kyo Inoue and Takaaki Mukai, "Experimental Study on Noise Characteristics of a Gain-Saturated Fiber Optical Parametric Amplifier," J. Lightwave Technol. 20, 969- (2002)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-20-6-969

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