Visual observation of frequency tuning in whispering gallery mode diode laser at room temperature

We report on the direct observation of an increase in the wavelength of output radiation during the pumping current pulse in a whispering gallery mode (WGM) semiconductor diode laser (2.35 μm) with a sector (half-disk) cavity. During the current pulse with a duration of up to 1.5 μs, the main WGM wa...

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Bibliographic Details
Published in:Technical physics letters 2009-12, Vol.35 (12), p.1149-1151
Main Authors: Imenkov, A. N., Sherstnev, V. V., Sipovskaya, M. A., Grebenshchikova, E. A., Monakhov, A. M., Boissier, G., Teissier, R., Baranov, A. N., Yakovlev, Yu. P.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Physics
Physics and Astronomy
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Summary:We report on the direct observation of an increase in the wavelength of output radiation during the pumping current pulse in a whispering gallery mode (WGM) semiconductor diode laser (2.35 μm) with a sector (half-disk) cavity. During the current pulse with a duration of up to 1.5 μs, the main WGM wavelength smoothly increases by 30 Å at room temperature.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785009120220