Control of the properties of micro-structured waveguides in lithium niobate crystal

Huseyin Karakuzu, Mykhaylo Dubov, Sonia Boscolo

Research output: Contribution to journalArticle

Abstract

We study numerically depressed-index cladding, buried, micro-structured optical waveguides that can be formed in a lithium niobate crystal by femtosecond laser writing. We demonstrate to which extent the waveguiding properties can be controlled by the waveguide geometry at the relatively moderate induced refractive index contrasts that are typical of the direct femtosecond inscription.
Original languageEnglish
Pages (from-to)17122-17130
Number of pages9
JournalOptics Express
Volume21
Issue number14
DOIs
Publication statusPublished - 10 Jul 2013

Bibliographical note

© 2013 OSA. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-14-17122. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Keywords

  • lithium niobate
  • microstructured waveguide
  • fs laser microfabrication
  • depressed cladding
  • propagation losses
  • mid-IR

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