Regular Paper

[OPTICAL REVIEW Vol. 21, No. 3 (2014) 261-264]
© 2014 The Japan Society of Applied Physics

Effect of Linewidth Enhancement Factor on the Stability Map of Optically Injected Distributed Feedback Laser

Najm M. AL-HOSINY1,2*

1Department of Physics, Aljouf University, Aljouf, Saudi Arabia
2Department of Physics, Taif University, Taif, Saudi Arabia

(Received December 20, 2013; Accepted January 29, 2014)

We theoretically investigate the effect of the linewidth enhancement factor (known as the α-factor) on the nonlinear dynamics of a distributed feedback (DFB) laser subjected to external coherent optical injection. This factor has shown considerable effect on the behavior of the injected laser, as shown in the so-called stability map.

Key words: semiconductor lasers, optical injection, linewidth enhancement factor

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