Chaotic dynamics in semiconductor lasers subjected to polarization-rotated optical feedback

Takeuchi, Yasutoshi; Shogenji, Rui; Ohtsubo, Junji
November 2008
Applied Physics Letters;11/3/2008, Vol. 93 Issue 18, p181105
Academic Journal
In-phase or synchronized oscillations between transverse electric (TE) and transverse magnetic (TM) modes with a loop delay are common phenomena in the numerical studies of semiconductor lasers subjected to polarization-rotated optical feedback. However, we experimentally find antiphase oscillations of laser output powers with zero time lag under appropriate conditions of orthogonal polarization optical feedback. Antiphase oscillations are well reproduced by the numerical simulations for the experimental model taking into account the frequency detuning between the two modes.


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