Oscillation wavelength shifts observed in vertical cavity surface emitting lasers exposed to magnetic fields

Y. Yamagishi; S. Tabira; Y. Matsumoto; K. Doi; T. Sato; M. Okawa

doi:10.1117/12.908016

28 February 2012 Oscillation wavelength shifts observed in vertical cavity surface emitting lasers exposed to magnetic fields

Y. Yamagishi, S. Tabira, Y. Matsumoto, K. Doi, T. Sato, M. Okawa

Author Affiliations +

Proceedings Volume 8255, Physics and Simulation of Optoelectronic Devices XX; 825522 (2012) https://doi.org/10.1117/12.908016
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

Even as long ago as the 1960's, scientists understood that diode lasers' oscillation wavelengths demonstrated significant shifts to the shorter wavelength side, when subjected to strong magnetic fields, at extremely low temperatures. When we exposed Fabry-Perot type diode lasers oscillating at 780 nm to weak magnetic fields, at room temperature, the oscillation wavelength was observed to have shifted to the longer wavelength side. In discussions of shift mechanisms aimed at explaining how/why our results differ from those obtained in studies conducted in the 1960's, we noted a rise in temperature and an increase in the carrier density, and how it affected the characteristic shifts observed, when a magnetic field was applied to the Fabry-Perot type laser diodes parallel to the injection current. In the present work, we tested the oscillation wavelength shift of a vertical-cavity surface-emitting laser (VCSEL) in a magnetic field, because we expected that, by doing so, the VCSEL would show a shorter wavelength side shift.

Citation Download Citation

Y. Yamagishi, S. Tabira, Y. Matsumoto, K. Doi, T. Sato, and M. Okawa "Oscillation wavelength shifts observed in vertical cavity surface emitting lasers exposed to magnetic fields", Proc. SPIE 8255, Physics and Simulation of Optoelectronic Devices XX, 825522 (28 February 2012); https://doi.org/10.1117/12.908016

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