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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 6 — Mar. 15, 2010
  • pp: 874–876

Resonant cavity-enhanced photosensitivity in As 2 S 3 chalcogenide glass at 1550 nm telecommunication wavelength

Juejun Hu, Matteo Torregiani, Francesco Morichetti, Nathan Carlie, Anu Agarwal, Kathleen Richardson, Lionel C. Kimerling, and Andrea Melloni  »View Author Affiliations


Optics Letters, Vol. 35, Issue 6, pp. 874-876 (2010)
http://dx.doi.org/10.1364/OL.35.000874


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Abstract

We report the first (to our knowledge) experimental observation of resonant cavity-enhanced photosensitivity in As 2 S 3 chalcogenide glass film at 1550   nm telecommunication wavelength. The measured photosensitivity threshold is < 0.1   GW βˆ• cm 2 , and a photoinduced refractive index increase as large as 0.016 is observed. The photosensitive process is athermal; further, we confirm the absence of two-photon absorption in As 2 S 3 , suggesting that defect absorption accounts for the energy transfer from photons to glass network. Besides its potential application for reconfigurable photonics circuit, such photosensitivity is also an important design consideration for nonlinear optical devices using chalcogenide glasses.

© 2010 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(190.4400) Nonlinear optics : Nonlinear optics, materials
(230.5750) Optical devices : Resonators

ToC Category:
Materials

History
Original Manuscript: September 16, 2009
Revised Manuscript: January 16, 2010
Manuscript Accepted: January 22, 2010
Published: March 15, 2010

Citation
Juejun Hu, Matteo Torregiani, Francesco Morichetti, Nathan Carlie, Anu Agarwal, Kathleen Richardson, Lionel C. Kimerling, and Andrea Melloni, "Resonant cavity-enhanced photosensitivity in As2S3 chalcogenide glass at 1550 nm telecommunication wavelength," Opt. Lett. 35, 874-876 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-6-874

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