Multiwavelength locker integrated wide-band wavelength-selectable light source module

A wide-band wavelength-selectable light source module having an integrated multiwavelength locker has been developed. An eight-distributed-feedback (DFB) arrayed monolithic light source was designed to have 40-nm tunable range in the L-band by covering 5 nm per DFB laser diode. A uniquely designed e...

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Bibliographic Details
Published in:IEEE photonics technology letters 2003-02, Vol.15 (2), p.290-292
Main Authors: Yokoyama, Y., Hatakeyama, H., Kudo, K., Yamaguchi, M.
Format: Article
Language:English
Subjects:
Channels
Costs
Covering
Laser diodes
Light sources
Locking
Modules
National electric code
Optical arrays
Optical fiber networks
Optical transmitters
Optical waveguides
Photonics
Temperature
Wavelength division multiplexing
Wavelengths
Wideband
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Description
Summary:A wide-band wavelength-selectable light source module having an integrated multiwavelength locker has been developed. An eight-distributed-feedback (DFB) arrayed monolithic light source was designed to have 40-nm tunable range in the L-band by covering 5 nm per DFB laser diode. A uniquely designed etalon-based wavelength locker achieved very stable operation and uniform locking performance for all channels. Wavelength variation in the short term at room temperature was much less than 1 pm and the locked wavelength stayed within +/-5 pm when the case temperature of the module was varied from -20/spl deg/C to 65/spl deg/C.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2002.806862