Widely separate wavelength switching of single quantum well laser diode by injection-current control
- 15 December 1986
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 49 (24) , 1629-1631
- https://doi.org/10.1063/1.97248
Abstract
It is demonstrated for the first time that by injection‐current control, the lasing wavelength was able to be switched from the lowest (n=1) quantized state transition to the second (n=2) transition for a single quantum well laser diode. The separation in energy was as wide as >50 meV. This novel function of a laser was realized as a result of appropriately increased threshold gain. This diode, moreover, acted as a multiple wavelength‐emitting laser.Keywords
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