On the use of the Type I and II scheme for classifying ultrafast laser direct-write photonics

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37 Citations (Scopus)

Abstract

The use of the Type I and Type II scheme, first introduced and used by fiber Bragg grating researchers, has recently been adopted by the ultrafast laser direct-write photonics community to classify the physical geometry of waveguides written into glasses and crystals. This has created confusion between the fiber Bragg grating and direct-write photonics community. Here we propose a return to the original basis of the classification based on the characteristics of the material modification rather than the physical geometry of the waveguide.

Original languageEnglish
Pages (from-to)7767-7770
Number of pages4
JournalOptics Express
Volume23
Issue number6
DOIs
Publication statusPublished - 23 Mar 2015

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