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. 2012 Nov 1;3(12):3067–3086. doi: 10.1364/BOE.3.003067

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©2012 Optical Society of America

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License, which permits download and redistribution, provided that the original work is properly cited. This license restricts the article from being modified or used commercially.

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Fig. 10 — (a) Experimental system for sensitivity measurement using semiconductor optical amplifier (SOA2). (b) Measurements of noise and signal (54 nW) as function of reference power to determine sensitivity.