Reconfigurable Opto-Thermal Graded-Index Waveguiding In Bulk Chalcogenide Glasses

Abstract

In the absence of suitable deposition processes, the fabrication of graded-index chalcogenide waveguides or fibers remains an outstanding challenge. Here, by exploiting the strong thermooptic effect present in chalcogenide glasses, we experimentally demonstrate non-permanent optically-induced waveguides in bulk As2Se3 rods using a 1.55 μm wavelength laser. This single-step process can be used not only to self-trap the writing beam, but also to guide another optical beam at a different wavelength in the opto-thermally inscribed waveguide channel. These results could pave the way towards harnessing nonlinear effects in graded-index chalcogenide guided settings.

Publication Date

5-15-2017

Publication Title

Optics Letters

Volume

42

Issue

10

Number of Pages

1919-1922

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.42.001919

Socpus ID

85019230752 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85019230752

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