Chinese Optics Letters, 2005, 3 (8): 08483, Published Online: Jun. 6, 2006  

Rapid evaluation of gain spectra from measured ASE spectra of travelling-wave semiconductor optical amplifier

Author Affiliations
Department of Optoelectronic Engineering, Huazhong University of Science and Technology, Wuhan 430074
Abstract
An analytical equation, which directly relates amplified spontaneous emission (ASE) with small signal gain (SSG) of travelling-wave semiconductor optical amplifier (TWA), was derived. It was shown by theoretical analysis and experimental results that calibrated ASE spectra of TWA at different injection currents could be good evaluation and extension of SSG near gain peaks when gain peaks are larger than several decibels. The rapid evaluation method of SSG spectra is very simple, effective and especially applicable to batch measurement.

Qingyuan Miao, Dexiu Huang, Deming Liu, Tao Wang, Xiaofei Zeng. Rapid evaluation of gain spectra from measured ASE spectra of travelling-wave semiconductor optical amplifier[J]. Chinese Optics Letters, 2005, 3(8): 08483.

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