期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 14, 期 7, 页码 941-943出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2002.1012392
关键词
fiber LPG; strain-induced; thermotunable
We demonstrate a new method for fabricating tunable long-period fiber grating by bonding a cladding etched fiber to a corrugated silicon fixture. The long-period grating is formed by a built-in periodic sheer strain on the fiber/fixture interface. Loss tuning is achieved by varying the temperature of the fixture. Dynamic tuning range as large as 20 dB is obtained at the resonance wavelength over a temperature range from 25 degreesC to 245 degreesC.
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