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Optimization of Wavelength-Locking Loops for Fast Tunable Laser Stabilization in Dynamic Optical Networks

Bianciotto, A; Puttnam, BJ; Thomsen, B; Bayvel, P; (2009) Optimization of Wavelength-Locking Loops for Fast Tunable Laser Stabilization in Dynamic Optical Networks. Lightwave Technology, Journal of DOI - 10.1109/JLT.2008.2008400 , 27 (12) 2117 - 2124.

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Abstract

This paper presents a theoretical model of a wavelength-locking loop for stabilization of the output wavelength in multisection tunable lasers for their application in future dynamic optical burst-switched networks. The linearized theoretical model was used to derive expressions for the optimal PID coefficients of a control circuit for etalon-based wavelength-locking control loop as a function of the key loop parameters. The validity of the model was then experimentally verified by measurements of locking performance of a digital supermode-distributed Bragg reflector tunable laser based on the proposed model.

Type:Article
Title:Optimization of Wavelength-Locking Loops for Fast Tunable Laser Stabilization in Dynamic Optical Networks
Additional information:This paper presents a theoretical model of a wavelength-locking loop for stabilization of the output wavelength in multisection tunable lasers for their application in future dynamic optical burst-switched networks. The linearized theoretical model was used to derive expressions for the optimal PID coefficients of a control circuit for etalon-based wavelength-locking control loop as a function of the key loop parameters. The validity of the model was then experimentally verified by measurements of locking performance of a digital supermode-distributed Bragg reflector tunable laser based on the proposed model.
Keywords:distributed Bragg reflector lasers, laser modes, laser stability, laser tuning, laser variables measurement, light interferometry, optical control, optical fibre networks, optical phase locked loops, optical transmitters, optimisation, semiconductor lasers, control circuit optimal PID coefficient, digital supermode-distributed Bragg reflector tunable laser, etalon-based wavelength-locking control loop, laser locking measurement, optical networks, optical transmitter, semiconductor lasers, tunable laser stabilization, wavelength-locking loop optimization
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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