Semiconductor laser dynamics subject to strong optical feedback

Pan, Ming‐Wei; Shi, Bei-Pei; Gray, George R.

doi:10.1364/ol.22.000166

Cited by 47 publications

(12 citation statements)

References 20 publications

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“…Furthermore, the LK model does not consider the spatial extension of the laser. Strongly asymmetric facet reflections can lead to effects such as jump-ups not being captured by the LK model [29].…”

Section: Modellingmentioning

confidence: 99%

Delay dynamics of semiconductor lasers with short external cavities: Bifurcation scenarios and mechanisms

et al. 2003

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We present a comprehensive study of the emission dynamics of semiconductor lasers induced by delayed optical feedback from a short external cavity. Our analysis includes experiments, numerical modeling, and bifurcation analysis by means of computing unstable manifolds. This provides a unique overview and a detailed insight into the dynamics of this technologically important system and into the mechanisms leading to delayed feedback instabilities. By varying the external cavity phase, we find a cyclic scenario leading from stable intensity emission via periodic behavior to regular and irregular pulse packages, and finally back to stable emission. We reveal the underlying interplay of localized dynamics and global bifurcations.

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Section: Modellingmentioning

confidence: 99%

Delay dynamics of semiconductor lasers with short external cavities: Bifurcation scenarios and mechanisms

et al. 2003

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“…Since multiple reflections are ignored by the LK model, one should take more care when regarding strong feedback. Strongly asymmetric facet reflection may result in some effects, for example jump ups not being captured by the LK model [42]. These limitations are known to us, however, we should pick out the LK model.…”

Section: Laser Modelmentioning

confidence: 99%

Implementation of electro-optic amplitude modulator in the external cavity of semiconductor laser for generation of periodic sates and chaos control

Mabhouti

Jafari

2016

IJPR

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In this paper, by placing the electro optical modulator (EOM) into the external cavity of the semiconductor laser (SL) and amplitude modulation of the optical feedback, the dynamical variation of the output intensity 2 ( ) E of the laser has been studied. This is analyzed numerically via bifurcation and time series diagrams with respect to the applied amplitude modulation index, and modulation voltage frequency of the EOM. It has been shown that, by modulating the amplitude of the optical feedback beam, various changes in the types of the dynamics of 2 E can be observed, and various periodic states can be generated. This makes it possible to receive the desired dynamics without any variations in the main parameters of the SL. Also, in present study, a method of chaos control in the SL has been presented based on EOM in the external cavity. The obtained results confirm that based on this method the chaotic dynamics can be controlled single-periodic dynamics.

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“…It was observed experimentally that the laser runs through five different regimes successively when the external coupling increases from very weak to very strong in comparison to the laser facet reflectance [91]. Coherence collapse [92][93][94] occurs in the fourth regime (i.e., not very strong feedback) with the appearance of drastic broadening of linewidth and loss of coherence of light beam. The condition of stable operation can be easily derived from equation 2 In other words, at a given level of r 3 the external cavity length cannot be too long.…”

Section: Stabile Region and Effective External Cavity Lengthmentioning

confidence: 99%

A review of MEMS external-cavity tunable lasers

Liu¹,

Zhang²

2006

J. Micromech. Microeng.

123

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The paper reviews the state-of-the-art of miniaturized tunable lasers constructed by microelectromechanical systems (MEMS) technology, covering various topics of laser configurations, theoretical studies and some design issues, with primary focus on the uniqueness of MEMS tunable lasers in comparison to conventional opto-mechanical counterparts. Further studies have also been presented to investigate the tuning range and stability in order to provide a deep understanding of the specialities of MEMS lasers in the sense of physics. The introduction of MEMS has endowed two special features to tunable lasers. One is that MEMS facilitates external cavities at very short (<100 µm) and even extremely short length (<10 µm), leading to unusual tuning behaviors and different design concerns. The other is that the photolithography of the MEMS process makes it possible to fabricate gratings/mirrors in arbitrary profiles, which may inspire the innovation of new laser configurations that can only be realized by MEMS technology. With further work on integration and packaging, MEMS lasers would be able to deliver their merits of small size, fast tuning speed, wide tuning range and IC integration compatibility, and to broaden their applications to many fields.

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Semiconductor laser dynamics subject to strong optical feedback

Cited by 47 publications

References 20 publications

Delay dynamics of semiconductor lasers with short external cavities: Bifurcation scenarios and mechanisms

Delay dynamics of semiconductor lasers with short external cavities: Bifurcation scenarios and mechanisms

Implementation of electro-optic amplitude modulator in the external cavity of semiconductor laser for generation of periodic sates and chaos control

A review of MEMS external-cavity tunable lasers

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