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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4212–4215

Direct laser writing of buried waveguide in As2S3 glass using a helical sample translation

Ophélie Caulier, David Le Coq, Eugène Bychkov, and Pascal Masselin  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4212-4215 (2013)
http://dx.doi.org/10.1364/OL.38.004212


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Abstract

We report the fabrication and the characterization of buried waveguide in As2S3 glass. It is well known that the interaction of femtosecond pulses with this material at high laser repetition rates results in a mainly negative refractive index variation, due to heat accumulation effect. However, we show here that a helical translation of the sample parallel to the laser beam, allows the inscription of a core of positive refractive variation, with full control over its magnitude and diameter. An example demonstrating the high symmetry of the guided mode is given.

© 2013 Optical Society of America

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(160.2750) Materials : Glass and other amorphous materials
(230.7370) Optical devices : Waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: August 12, 2013
Revised Manuscript: September 13, 2013
Manuscript Accepted: September 14, 2013
Published: October 14, 2013

Citation
Ophélie Caulier, David Le Coq, Eugène Bychkov, and Pascal Masselin, "Direct laser writing of buried waveguide in As2S3 glass using a helical sample translation," Opt. Lett. 38, 4212-4215 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4212

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