1.3 µm SLMQW DFB lasers with high quantum efficiency for –40 – 85°C operation

Autor:	G. Michaud, R.M. Capella, B. Fernier, G. Vendrome, P. Pagnod, F. Gerard, G. Ripoche
Rok vydání:	1995
Předmět:	S system Threshold current Optics Materials science Transmission (telecommunications) business.industry law Quantum efficiency Electrical and Electronic Engineering Atmospheric temperature range business Laser law.invention
Zdroj:	Electronics Letters. 31:2174-2175
ISSN:	1350-911X 0013-5194
DOI:	10.1049/el:19951478
Popis:	The authors report 1.3 /spl mu/m DFB lasers operating in the -40-85/spl deg/C temperature range without a thermo-electric cooler. At 850C the threshold current is 35 mA and quantum efficiency is as high as 0.21 mW/mA. In a 2.5Gbit/s system, measurements with a highly dispersive fibre indicate a transmission penalty below 0.3 dB up to 75/spl deg/C.
Databáze:	OpenAIRE
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