TEMPERATURE-TUNED ZNS ETALON FILTERS FOR WDM SYSTEMS

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We report a simple ZnS etalon filter tunable with temperature (5 GHz/-degrees-C) for channel selection and noise filtering in amplified WDM systems. It has large free-spectral-range (30 nm), narrow passband (4.6 angstrom), and low insertion loss (1 dB). The filter has been used for channel selection in a WDM system without any degradation in the receiver sensitivity. When the filter was locked to a desired channel using a simple digital servoloop, it maintained a very stable transmission (maximum drift < 3%) even when the wavelength of transmitter laser was intentionally changed by as much as 1 nm.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
1992-06
Language
English
Article Type
Article
Keywords

WAVELENGTH

Citation

IEEE PHOTONICS TECHNOLOGY LETTERS, v.4, no.6, pp.600 - 602

ISSN
1041-1135
DOI
10.1109/68.141981
URI
http://hdl.handle.net/10203/55985
Appears in Collection
EE-Journal Papers(저널논문)
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