Title

Second-order susceptibility of Ga0.5In0.5P crystals at 1.5 μm and their feasibility for waveguide quasi-phase matching

Abstract

The second-order susceptibilities (dij) of both ordered and disordered Ga0.5In0.5P semiconductor crystal films epitaxially grown on GaAs substrates are analyzed. Quasi-phase matching based on periodic order-disorder regions is proposed, and the analysis shows that three of the four independent coefficients, namely, d′33, d′31, and d′15 , but not d′14, can be modulated. Maker-fringe experiments were performed at 1.57 μm to measure these coefficients in the deposited crystals. However, the crystal-film orientation allowed a definitive determination of the d′14 coefficient (110 pm/V) only and an upper limit of 60 pm/V for d′33. More-sophisticated experimental techniques are proposed for measuring d′33. © 1997 Optical Society of America.

Publication Date

1-1-1997

Publication Title

Journal of the Optical Society of America B: Optical Physics

Volume

14

Issue

6

Number of Pages

1428-1436

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/JOSAB.14.001428

Socpus ID

0031511641 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0031511641

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