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Proceedings Paper

New model of self-pulsating semiconductor lasers
Author(s): GuangHua Duan; Guillaume Pham
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Paper Abstract

In this paper, a new model of self-pulsating semiconductor lasers (SPLs) is proposed based on the analogies between a SPL and a laser oscillator. In fact a SPL is first of all an oscillator even though it is difficult to identify amplifiers and feedback elements. The use of such analogies allows in some conditions to establish a very simple rate equation model of SPLs. One of the advantages of the model is the ability to analyze the injection locking properties of SPLs under external optical signal injection. In particular, it has been found that (1) the frequency looking range is directly proportional to the power ratio, (2) the spectral linewidth is equal to that of the incoming signal in the locking state. These points have been verified experimentally on a distributed feedback SPL. Nevertheless, a SPL is different from a laser in that the self-pulsation signal can be short pulses as well as sinusoidal. The short pulses nature means that there are higher order harmonics created by nonlinear effects related to the laser operation. These higher order harmonics can be taken into account in our new model, which becomes however more complex.

Paper Details

Date Published: 7 July 1998
PDF: 11 pages
Proc. SPIE 3283, Physics and Simulation of Optoelectronic Devices VI, (7 July 1998); doi: 10.1117/12.316700
Show Author Affiliations
GuangHua Duan, Ecole Nationale Superieure des Telecommunications (France)
Guillaume Pham, Ecole Nationale Superieure des Telecommunications (France)


Published in SPIE Proceedings Vol. 3283:
Physics and Simulation of Optoelectronic Devices VI
Marek Osinski; Peter Blood; Akira Ishibashi, Editor(s)

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