Extension Of The Current Continuous Frequency Tuning Range Of GaAlAs Laser Diodes By The External Cavity

Yao Shutong; Xie Linzhen

doi:10.1117/12.939727

20 April 1987 Extension Of The Current Continuous Frequency Tuning Range Of GaAlAs Laser Diodes By The External Cavity

Yao Shutong, Xie Linzhen

Proceedings Volume 0740, Laser Diode Optics; (1987) https://doi.org/10.1117/12.939727
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Extending the "absolute" current continuous frequency tuning range (without any mode hopping)of a GaAlAs laser diode up to 5A (about one order higher than original) has been obtained with an external cavity constructed by a mirror very close to the facet of the diode. Oscillations of the lasing wavelength around some certain desirable line is also observed when the diode heat sink temperature is increased while keening the injected current constant. These results can be applied to laser diode optical pumning and spectroscopy and it significantly improves the absolute continuous frequency tuning ability of the laser diode.

Citation Download Citation

Yao Shutong and Xie Linzhen "Extension Of The Current Continuous Frequency Tuning Range Of GaAlAs Laser Diodes By The External Cavity", Proc. SPIE 0740, Laser Diode Optics, (20 April 1987); https://doi.org/10.1117/12.939727

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