A Numerical Study of Optimization Methods for Phase-Only Optical Pulse-Shaping

The field of optical pulse-shaping and its applications is introduced, with a focus on time-domain approaches. A numerical investigation of all-fiber, time-domain, phase-only filtering is conducted for arbitrary temporal pulse synthesis. The theoretical phase modulation function required for generat...

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Bibliographic Details
Published in:	Photonics Vol. 8; no. 11; p. 490
Main Authors:	Karar, Abdullah S., Ghandour, Raymond, Boulkaibet, Ilyes, Collaku, Dhimiter, Barakat, Julien Moussa H., Neji, Bilel, Al Barakeh, Zaher
Format:	Journal Article
Language:	English
Published:	Basel MDPI AG 02-11-2021
Subjects:	Algorithms Code Division Multiple Access Computer applications Fourier transforms genetic algorithm Genetic algorithms Lasers Monte Carlo Optimization Optimization algorithms Phase modulation phase-only pulse shaping Simulated annealing Spectrum analysis Time domain analysis
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Summary:	The field of optical pulse-shaping and its applications is introduced, with a focus on time-domain approaches. A numerical investigation of all-fiber, time-domain, phase-only filtering is conducted for arbitrary temporal pulse synthesis. The theoretical phase modulation function required for generating use- specific target-intensity profiles is calculated using different optimization methods including a Brute Force Monte Carlo search, the Simulated Annealing method and the Genetic Algorithm method. The convergence speed, computational complexity and accuracy of these methods is compared under binary phase-only modulation, where the Genetic algorithm was found to outperform other methods.
ISSN:	2304-6732 2304-6732
DOI:	10.3390/photonics8110490