Efficient direct diode-laser frequency doubling in quasi-phase-matched LiNbO3 waveguides

Efficient (22 percent/W) blue-light generation by direct diode-laser frequency doubling is reported in second-order quasi-phase-matched LiNbO3 channel waveguides. Several critical issues of direct diode-laser doubling are addressed, which include input coupling, phase-matching bandwidth, and, in par...

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Veröffentlicht in:	Optics letters 1992-06, Vol.17 (11), p.795-797
Hauptverfasser:	XIAOFAN CAO, ROSE, B, RAMASWAMY, R. V, RAMAKANT SRIVASTAVA
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Nonlinear optics Optics Physics
Online-Zugang:	Volltext
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Zusammenfassung:	Efficient (22 percent/W) blue-light generation by direct diode-laser frequency doubling is reported in second-order quasi-phase-matched LiNbO3 channel waveguides. Several critical issues of direct diode-laser doubling are addressed, which include input coupling, phase-matching bandwidth, and, in particular, the effect of the spectral mode structure of a high-power diode laser on the frequency-conversion efficiency. (Author)
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.17.000795