Broadband and multiple-channel visible laser generation by use of segmented quasi-phase-matching gratings

We investigate frequency conversion of near-infrared laser sources to generate visible laser outputs with segmented quasi-phase-matching (QPM) gratings through second-harmonic generation process. Analysis shows that segmented gratings have much broader conversion bandwidth and environment temperatur...

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Bibliographic Details
Published in:Optics communications 2004-03, Vol.233 (1), p.205-209
Main Authors: Gao, Shiming, Yang, Changxi, Xiao, Xiaosheng, Jin, Guofan
Format: Article
Language:English
Subjects:
Exact sciences and technology
Frequency conversion
Frequency conversion
harmonic generation, including high-order harmonic generation
Fundamental areas of phenomenology (including applications)
Harmonic generation, frequency conversion
Nonlinear optics
Optical elements, devices, and systems
Optical frequency converters
Optics
Physics
Quasi-phase matching
Second-harmonic generation
Segmented grating
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Summary:We investigate frequency conversion of near-infrared laser sources to generate visible laser outputs with segmented quasi-phase-matching (QPM) gratings through second-harmonic generation process. Analysis shows that segmented gratings have much broader conversion bandwidth and environment temperature tolerance than periodic gratings, which is extremely beneficial for reducing the difficulties of QPM for both laser sources and temperature-controlled devices. By use of a near-infrared broadband laser source, segmented gratings provide potential to realize multichannel visible laser sources that have many applications in, such as, high-density optical storage and high-definition television.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2004.01.034