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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2886–2888

Fabrication of Bragg gratings in subwavelength diameter As 2 Se 3 chalcogenide wires

Raja Ahmad, Martin Rochette, and Chams Baker  »View Author Affiliations


Optics Letters, Vol. 36, Issue 15, pp. 2886-2888 (2011)
http://dx.doi.org/10.1364/OL.36.002886


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Abstract

The inscription of Bragg gratings in chalcogenide ( As 2 Se 3 ) wires with subwavelength diameter is proposed and demonstrated. A modified transverse holographic method employing He–Ne laser light at a wavelength of λ w = 633 nm allows the writing of Bragg grating reflectors in the 1550 nm band. The gratings reach an extinction ratio of 40 dB in transmission and a negative photo-induced index change of Δ n 10 2 . The inscription of Bragg gratings in chalcogenide microwires will enable the fabrication of new devices with applications in nonlinear optics and sensing in the near- to mid-IR region of wavelengths.

© 2011 Optical Society of America

OCIS Codes
(160.2290) Materials : Fiber materials
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.3738) Fiber optics and optical communications : Fiber Bragg gratings, photosensitivity

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 25, 2011
Revised Manuscript: June 30, 2011
Manuscript Accepted: July 4, 2011
Published: July 25, 2011

Citation
Raja Ahmad, Martin Rochette, and Chams Baker, "Fabrication of Bragg gratings in subwavelength diameter As2Se3 chalcogenide wires," Opt. Lett. 36, 2886-2888 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-15-2886

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