Second-harmonic generation in second-harmonic fiber bragg gratings

M. J. Steel, C. Martijn De Sterke

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)

Abstract

We consider the production of second-harmonic light in gratings resonant with the generated field, through a Green’s function approach. We recover some standard results and obtain new limits for the uniform grating case. With the extension to nonuniform gratings, we find the Green’s function for the second harmonic in a grating with an arbitrary phase shift at some point. We then obtain closed form approximate expressions for the generated light for phase shifts close to π/2 and at the center of the grating. Finally, comparing the uniform and phase-shifted gratings with homogeneous materials, we discuss the enhancement in generated light and the bandwidth over which it occurs, and the consequences for second-harmonic generation in optical fiber Bragg gratings.

Original languageEnglish
Pages (from-to)3211-3222
Number of pages12
JournalApplied Optics
Volume35
Issue number18
DOIs
Publication statusPublished - 20 Jun 1996
Externally publishedYes

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