Dynamic wavelength tuning of single-mode GaAlAs lasers

Dynamic wavelength tuning of single-mode GaAlAs lasers

A direct method of observing the wavelength versus time of modulated single-mode GaAlAs lasers is described. The method uses a grating spectrometer and an avalanche photodiode and achieves resolutions of 0.01 Å and 1 ns. Although the laser consists of a multi-layer heterostructure, a simple cylindri...

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Veröffentlicht in:IEEE journal of quantum electronics 1982-02, Vol.18 (2), p.199-204
Hauptverfasser: Clark, G., Heflinger, L., Roychoudhuri, C.
Format: Artikel
Sprache:eng
Schlagworte:
Avalanche photodiodes
Electrical resistance measurement
Heat sinks
Laser modes
Laser tuning
Semiconductor lasers
Spectroscopy
Temperature measurement
Time measurement
Wavelength measurement
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Zusammenfassung:A direct method of observing the wavelength versus time of modulated single-mode GaAlAs lasers is described. The method uses a grating spectrometer and an avalanche photodiode and achieves resolutions of 0.01 Å and 1 ns. Although the laser consists of a multi-layer heterostructure, a simple cylindrical thermal model is in good agreement with the experimental results.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.1982.1071513