Effect of phase conjugate coupled on routes to chaos in incoherent optical feedback semiconductor quantum dot laser

The effect of the phase conjugate coupling on routes to chaos (mainly stable, sustained pulsating oscillations, evolves into double-period oscillation and quasi-periodic routes) in incoherent optical feedback semiconductor quantum dot laser is theoretically investigated using bifurcation diagrams, t...

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Bibliographic Details
Published in:Journal of optics (New Delhi) 2023-03, Vol.52 (1), p.376-385
Main Authors: Al Jabri, Seham A., Al Husseini, Hussein B.
Format: Article
Language:English
Subjects:
Bifurcation theory
Conjugates
Coupling
Delay time
Lasers
Optical Devices
Optical feedback
Optics
Photonics
Photorefractivity
Physics
Physics and Astronomy
Quantum dot lasers
Quantum dots
Research Article
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Summary:The effect of the phase conjugate coupling on routes to chaos (mainly stable, sustained pulsating oscillations, evolves into double-period oscillation and quasi-periodic routes) in incoherent optical feedback semiconductor quantum dot laser is theoretically investigated using bifurcation diagrams, time series, attractors and inter-spike interval probability distribution. The parameter values of the coupling strength ( η ) and delay time ( τ ) (mirrors respond as fast and slow-response photorefractive mirrors) are modified to examine the sensitivity of routes to chaos with variation in the phase-conjugate mirrors. Both routes are found to be highly sensitive to the phase conjugate coupling effect. Instability and homoclinic chaotic can be observed in such a system.
ISSN:0972-8821
0974-6900
DOI:10.1007/s12596-022-00894-0