NDLI: Er-doped superfluorescent fiber source with a /spl plusmn/0.5-ppm long-term mean-wavelength stability

Content Provider	IEEE Xplore Digital Library
Author	Hee Gap Park Digonnet, M. Kino, G.
Copyright Year	1983
Abstract	We report an Er-doped superfluorescent fiber source (SFS) with a record mean-wavelength stability of /spl plusmn/0.5 ppm over 17 h. This breakthrough was achieved in a double-pass SFS by implementing several improvements, namely 1) controlling all the parameters that affect its mean wavelength, including the pump diode temperature and current, 2) reducing polarization-induced drifts in mean wavelength with a Faraday rotator mirror and a long Er-doped fiber (EDF), and 3) getting rid of polarization controllers to eliminate polarization-dependent loss. The long-term mean-wavelength variations of this SFS were due almost entirely to variations in the EDF temperature. When the SFS temperature was allowed to vary, by calibrating its mean-wavelength dependence on temperature, it was possible to predict the mean wavelength to a /spl plusmn/2-ppm precision by simply measuring the EDF temperature. The same configuration was also implemented with a different Er-doped fiber to achieve an even lower dependence on EDF temperature. When controlling the temperature of this second SFS to about /spl plusmn/0.5/spl deg/C, it exhibited a stability of /spl plusmn/0.5 ppm over 17 h. These new developments constitute an important step toward a practical high-grade fiber-optic gyroscope.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	3427
Ending Page	3433
Page Count	7
File Size	503920
File Format	PDF
ISSN	07338724
Volume Number	21
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fiber polarization Optical fibers Temperature dependence Laser excitation Temperature control Gyroscopes Optical feedback Laser stability Wavelength measurement Laboratories
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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