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5 October 2012 Small signal gain measurement by amplified spontaneous emission content of an inverted medium: simplified treatment
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Abstract
A method is introduced for small signal gain measurement in a low-saturation regime using an amplified spontaneous emission (ASE) footprint of a gain media. By this method, the ratio of intensities, with and without a reflector, is measured beside the bandwidth of the ASE, hence two equations are formed. An iterative solution of these equations will simultaneously determine both the small signal gain and the loss.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2012/$25.00 © 2012 SPIE
Davood Razzaghi, Fereshteh Hajiesmaeilbaigi, Mohsen Ruzbehani, and Bahram N. Mortazavi "Small signal gain measurement by amplified spontaneous emission content of an inverted medium: simplified treatment," Optical Engineering 51(10), 104201 (5 October 2012). https://doi.org/10.1117/1.OE.51.10.104201
Published: 5 October 2012
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