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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 12 — Jun. 15, 2014
  • pp: 3579–3582

Ultrafast laser fabrication of Bragg waveguides in chalcogenide glass

Ben McMillen, Mingshan Li, Sheng Huang, Botao Zhang, and Kevin P. Chen  »View Author Affiliations


Optics Letters, Vol. 39, Issue 12, pp. 3579-3582 (2014)
http://dx.doi.org/10.1364/OL.39.003579


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Abstract

Bragg waveguides are fundamental components in photonic integrated circuits and are particularly interesting for mid-IR applications in high index, highly nonlinear materials. In this work, we present Bragg waveguides fabricated in bulk chalcogenide glass using an ultrafast laser. Waveguides with near circularly symmetric cross sections and low propagation loss are obtained through spatial and temporal beam shaping. Using a single-pass technique, the waveguide and Bragg structure are formed at the same time. First through sixth order gratings with strengths of up to 25 dB are realized, and performance is evaluated based on the modulation duty cycle of the writing beam.

© 2014 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(350.3390) Other areas of optics : Laser materials processing
(130.2755) Integrated optics : Glass waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: March 24, 2014
Revised Manuscript: April 23, 2014
Manuscript Accepted: May 1, 2014
Published: June 10, 2014

Citation
Ben McMillen, Mingshan Li, Sheng Huang, Botao Zhang, and Kevin P. Chen, "Ultrafast laser fabrication of Bragg waveguides in chalcogenide glass," Opt. Lett. 39, 3579-3582 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-12-3579

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