AGING-INDUCED WAVELENGTH SHIFTS IN 1.5-MU-M DFB LASERS

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We report measured wavelength shifts of over one hundred 1.5-mum DFB lasers aged under three different conditions for a period corresponding to the system's lifetime (approximately 25 years). The results show that the lasers aged at lower temperature (thus higher optical power) have wider spread of wavelength shifts than the lasers aged at higher temperature. No correlation was observed between the wavelength shifts and the aging rates or the aging-induced changes in the threshold currents. The aging-induced wavelength shifts were relatively small (+/-1 angstrom) for most lasers. However, about 10% of the lasers exhibit larger wavelength shifts of up to about +/-4 angstrom.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
1994-07
Language
English
Article Type
Article
Keywords

1.3-MU-M; MESA

Citation

IEEE PHOTONICS TECHNOLOGY LETTERS, v.6, no.7, pp.792 - 795

ISSN
1041-1135
DOI
10.1109/68.311456
URI
http://hdl.handle.net/10203/67145
Appears in Collection
EE-Journal Papers(저널논문)
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