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In this research, single-mode 3.76GHz optical pulses were generated in a Fabry–Perot type single-mode semiconductor laser with polarization-rotated optical feedback (PROF) at a round-trip feedback distance of 50.8cm, corresponding to a feedback frequency of 0.59GHz. Experimental results and numerical simulations revealed that the pulse generation mechanism involved a self-modulation of the laser’s...
This research investigated the characteristics of single-wavelength optical pulses generated with orthogonal-polarization optical feedback in semiconductor lasers. Optical pulses with a pulse rate of 470 MHz and a pulse width around 700 ps were observed. A model was also proposed to solve the inconsistency between the experimental results and the computer simulations of Otsuka and Chern's model. Furthermore,...
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