Temperature dependence of the bandwidth of buried heterostructure distributed feedback lasers
Journal Article
·
· IEEE Photonics Technology Letters; (USA)
OSTI ID:5520922
- AT and T Bell Labs., Murray Hill, NJ (USA)
The etched mesa buried heterostructure (EMBH) distributed feedback lasers ({lambda}=1.3{mu}m) fabricated using semi-insulating InP blocking layers having bandwidths in the 12-17 GHz range at 20{sup 0}C, 15 mW (18 GHz at 20 mW). The bandwidth decreases with increasing temperature at low powers. For the practical range of interest from 20{sup 0}C to 40{sup 0}C, the observed decrease in bandwidth is 1.0 +- 0.5 GHz at 15 mW output power. A large sublinearity in the light versus current characteristics is generally associated with a rollover in the bandwidth power curve.
- OSTI ID:
- 5520922
- Journal Information:
- IEEE Photonics Technology Letters; (USA), Journal Name: IEEE Photonics Technology Letters; (USA) Vol. 1:9; ISSN IPTLE; ISSN 1041-1135
- Country of Publication:
- United States
- Language:
- English
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