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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 7 — Apr. 1, 1999
  • pp: 454–456

All-optical control of Bragg grating in semiconductor-coated D-shaped fiber

R. M. Ribeiro, L. R. Kawase, W. Margulis, B. Lesche, B. Sahlgren, R. Stubbe, and K. Kleveby  »View Author Affiliations


Optics Letters, Vol. 24, Issue 7, pp. 454-456 (1999)
http://dx.doi.org/10.1364/OL.24.000454


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Abstract

A Bragg grating was fabricated in a D-shaped fiber that was subsequently coated with an α-Si:H semiconductor film. The reflected spectrum was optically controlled by means of evanescent coupling, shifting to shorter wavelengths with increased control-light power. The effective nonlinearity of the fiber was 2.0 × 10<sup>-10</sup> cm<sup>2</sup>/W . The device was optically tuned by 4.3 × 10<sup>-4</sup> nm/mW , leading to 54% (>3-dB) depth modulation for 230 mW of power.

© 1999 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(160.2750) Materials : Glass and other amorphous materials
(230.1150) Optical devices : All-optical devices
(230.1480) Optical devices : Bragg reflectors
(230.4320) Optical devices : Nonlinear optical devices

Citation
R. M. Ribeiro, L. R. Kawase, W. Margulis, B. Lesche, B. Sahlgren, R. Stubbe, and K. Kleveby, "All-optical control of Bragg grating in semiconductor-coated D-shaped fiber," Opt. Lett. 24, 454-456 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-7-454

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