1 December 1995 New method for reducing distortion in directly modulated lasers in subcarrier-multiplexed systems
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Abstract
In this paper we use small signal analysis to predict the intrinsic non-linear distortion of an injection-locked semiconductor laser diode directly driven by two subcarriers. We show that the second-order harmonic distortion may be reduced by between 12 and 27 dB over the free- running laser bandwidth of 3.4 GHz and that the third-order intermodulation distortion may be reduced by between 12 and 22 dB over a bandwidth of 5 GHz, for an injection ratio of 0.5.
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Frederick V. C. Mendis, Manas K. Haldar, Jian Ping Wang, "New method for reducing distortion in directly modulated lasers in subcarrier-multiplexed systems", Proc. SPIE 2614, All-Optical Communication Systems: Architecture, Control, and Network Issues, (1 December 1995); doi: 10.1117/12.227834; https://doi.org/10.1117/12.227834
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