Measurement of the thermally induced wavelength drift associated with channel switching in tunable lasers

Valentin I. Feies

doi:10.1117/12.882269

4 December 2010 Measurement of the thermally induced wavelength drift associated with channel switching in tunable lasers

Valentin I. Feies

Author Affiliations +

Proceedings Volume 7821, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V; 782127 (2010) https://doi.org/10.1117/12.882269
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies, 2010, Constanta, Romania

Abstract

I propose a measurement technique for determining the thermally-induced wavelength drift associated with channel switching in tunable lasers. Using a tunable optical filter as frequency discriminator and a photodiode, the wavelength drift is electrically converted into a measurable voltage, while the laser is periodically switched between two channels. I account both for the filter nonlinearity and the laser output power variations during the measurement. I used this technique to evaluate the wavelength drift for a SG-DBR laser, but the method could be easily used for any other type of tunable lasers exploiting the plasma effect.

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Valentin I. Feies "Measurement of the thermally induced wavelength drift associated with channel switching in tunable lasers", Proc. SPIE 7821, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V, 782127 (4 December 2010); https://doi.org/10.1117/12.882269

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