Optical and electrical low-frequency noise and their correlation in InGaAsP MQW lasers

J.G Simmons,S Pralgauskaite,V Palenskis,J.D Evans,S Smetona,J Matukas

doi:10.1109/commad.2000.1022947

Optical and electrical low-frequency noise and their correlation in InGaAsP MQW lasers

J.G Simmons, S Pralgauskaite + Show 4 more

https://doi.org/10.1109/commad.2000.1022947

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Publication Date: Dec 6, 2000

Affiliation: McMaster University, Lithuanian Academy of Sciences, Vilnius University, Nortel (Canada)

#Optical Noise #InGaAsP MQW Lasers + Show 8 more

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Abstract

The optical and electrical low-frequency noise spectra and their correlation factor of multiple quantum well strained-layer Fabry-Perot (F-P) and distributed-feedback (DFB) InGaAsP/InP laser diodes have been investigated as a function of temperature and current. Particular attention has been given to the optical and electrical fluctuations due to mode-hopping effects, which are observed in the F-P lasers at specific currents and temperatures. Both the electrical and optical noise during mode hopping have a Lorentzian type spectrum, and are very strongly correlated and very sensitive to temperature and optical feedback.

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