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Nonlinear dynamics of optically-injected self-pulsating laser diodes

Cheng, GL, Iezekiel, S and Snowden, CM (2001) Nonlinear dynamics of optically-injected self-pulsating laser diodes Proceedings of SPIE - The International Society for Optical Engineering, 4283. pp. 694-703.

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A numerical analysis is carried out to investigate the influence of injecting either unmodulated or modulated light from an external laser diode (LD) into a 1.55 μm InGaAsP distributed feedback (DFB) self-pulsating (SP) LD. Injection of weak unmodulated light causes the SP-LD to behave mostly chaotically apart from some regions of self-sustained-pulsations (SSP) and multiple-peak periodic oscillations. Increasing the injected optical power has the effects of changing the behavior of the optically-injected SP-LD from chaos to multiple-peak periodic oscillations followed by high-frequency (HF) self-oscillations before reaching an equilibrium state (i.e. a steady level). The SP-LD is found to exhibit quasi-periodic behavior when injected with lightly modulated light. At relatively higher modulation index, the output of the optically-injected SP-LD becomes chaotic.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Cheng, GL
Iezekiel, S
Date : 1 January 2001
DOI : 10.1117/12.432624
Depositing User : Symplectic Elements
Date Deposited : 16 May 2017 12:33
Last Modified : 24 Jan 2020 13:07

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