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http://dx.doi.org/10.3807/KJOP.2012.23.1.042

Modeling of Active Layer and Injection-locking Characteristics in Polarized and Unpolarized Fabry-Perot Laser Diodes  

Chung, Youngchul (Department of Electronics and Communications Engineering, Kwangwoon University)
Yi, Jong Chang (School of Electronic and Electrical Engineering, Hongik University)
Cho, Ho Sung (ELDIS, Inc.)
Publication Information
Korean Journal of Optics and Photonics / v.23, no.1, 2012 , pp. 42-51 More about this Journal
Abstract
In this paper, injection-locking characteristics versus active layer structures in Fabry-Perot laser diodes (FP-LD) are compared. TE and TM gain spectra and peak gains versus carrier density in polarized and unpolarized multiple quantum well structures and in an unpolarized bulk structure are calculated. The calculated gain parameters are applied to a time-domain large-signal model to simulate the injection-locking characteristics. The results show that RIN in unpolarized FD-LDs is about 3 dB lower than that in a polarized FP-LD and that the eye characteristics of the unpolarized FP-LD are much better than those of the polarized FP-LD.
Keywords
Semiconductor lasers; Injection-locked lasers; Diode lasers; WDM-PON; Fabry-Perot laser diode;
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Times Cited By KSCI : 1  (Citation Analysis)
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