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A novel strain-induced thermally tuned long-period fiber grating fabricated on a periodic corrugated silicon fixture

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6 Author(s)
Yan Jiang ; Dept. of Electr. & Comput. Eng., California Univ., Irvine, CA, USA ; Qun Li ; Lin, Chien-hung ; Lyons, E.
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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/spl deg/C to 245/spl deg/C.

Published in:

Photonics Technology Letters, IEEE  (Volume:14 ,  Issue: 7 )