Ultra-low threshold current laser for optical parallel data communication

The drive current of a directly modulated semiconductor laser for optical parallel data communication was investigated by taking into account both the threshold current and the differential quantum efficiency which are defined from the cavity length and the mirror reflectivities. Then the drive curr...

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Bibliographic Details
Published in:Journal of lightwave technology 1997-05, Vol.15 (5), p.845-851
Main Authors: Ki-Chul Shin, Serizawa, N., Arai, S.
Format: Article
Language:English
Subjects:
Bit error rate
Data communication
Delay effects
Mirrors
Optical design
Optical feedback
Optical modulation
Power lasers
Reflectivity
Threshold current
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Description
Summary:The drive current of a directly modulated semiconductor laser for optical parallel data communication was investigated by taking into account both the threshold current and the differential quantum efficiency which are defined from the cavity length and the mirror reflectivities. Then the drive current required for an error free data communication (bit error rate: BER
ISSN:0733-8724
1558-2213
DOI:10.1109/50.580826