GaAs--Al/sub x/Ga/sub 1-x/ as integrated twin-guide lasers with distributed Bragg reflectors
Journal Article
·
· IEEE J. Quant. Electron.; (United States)
A GaAs-Al/sub x/Ga/sub 1-x/As integrated twin-guide (ITG) laser with distributed Bragg reflectors (DBR) was fabricated. The DBR was in the form of a third-order grating which was chemically etched on the surface of the output waveguide. The ITG lasers with distributed Bragg reflectors (DBR-ITG lasers) operating at room temperature showed single mode oscillation up to 1.5 times the threshold current and the half-side external quantum efficiency was 1 to 2%.
- Research Organization:
- Tokyo Inst. of Tech.
- OSTI ID:
- 7289502
- Journal Information:
- IEEE J. Quant. Electron.; (United States), Journal Name: IEEE J. Quant. Electron.; (United States) Vol. 13:2; ISSN IEJQA
- Country of Publication:
- United States
- Language:
- English
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