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Browse Journals & Magazines > Photonics Technology Letters, ...> Volume:10 Issue:4 Help

Nondegenerate four-wave mixing efficiencies in DFB laser wavelength converters

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3 Author(s)
Little, B.E. ; Res. Lab. of Electron., MIT, Cambridge, MA, USA ; Kuwatsuka, H. ; Ishikawa, H.

The salient parameters affecting nondegenerate four-wave-mixing (FWM) conversion efficiency in distributed-feedback (DFB) laser wavelength converters are examined analytically. Both the maximum attainable, and typical gain saturated, FWM efficiencies are derived. Typical DFB lasers cannot achieve maximum conversion efficiency due to gain saturation, while laser-amplifier combinations potentially can. The ratio of efficiency to spontaneous emission noise is also addressed, where it is found that this ratio increases quadratically with net unsaturated gain.

Published in:
Photonics Technology Letters, IEEE  (Volume:10 ,  Issue: 4 )

Date of Publication: April 1998

Page(s):
519 - 521
ISSN :
1041-1135
INSPEC Accession Number:
5887259
Digital Object Identifier :
10.1109/68.662580
Product Type:
Journals & Magazines
Date of Current Version :
06 August 2002
Issue Date :
April 1998
Sponsored by :
IEEE Photonics Society

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