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IEICE TRANSACTIONS on transactions

Low Threshold /4-Shifted InGaAsP/InP DFB Lasers

Masashi USAMI, Shigeyuki AKIBA, Katsuyuki UTAKA

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Summary :

The threshold current Ith of a 1.5 µm range InGaAsP/InP λ/4-shifted DFB laser with low-reflectivity ends was theoretically expected to be 10 mA or less. Experimentally, Ith of 14-16 mA at 20 and the sub-mode suppression ratio of about 35 dB or more in the temperature range of 10-70 were obtained.

Publication
IEICE TRANSACTIONS on transactions Vol.E69-E No.4 pp.385-388
Publication Date
1986/04/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category
Lasers and Related Devices

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