Highly efficient green light generation in compact second-harmonic module with a periodically poled MgO-doped lithium niobate planar waveguide

We reported continuous-wave 528mW at 532nm from a compact visible-laser module. The green light was achieved from single-pass second harmonic generation with a periodically poled MgO-doped lithium niobate planar waveguide. For frequency-doubling, a distributed Bragg reflector (DBR) tapered laser dio...

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Published in2013 18th OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS) pp. 1 - 2
Main Authors Jun-Hee Park, Tai-young Kang, Hae-nam Jeon, Boobin Yim, Han-Young Lee
Format Conference Proceeding
LanguageEnglish
Published IEICE 01.06.2013
Subjects
Diode lasers
Distributed Bragg reflectors
Optical waveguides
Planar waveguides
Pump lasers
Semiconductor lasers
Waveguide lasers
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Summary:We reported continuous-wave 528mW at 532nm from a compact visible-laser module. The green light was achieved from single-pass second harmonic generation with a periodically poled MgO-doped lithium niobate planar waveguide. For frequency-doubling, a distributed Bragg reflector (DBR) tapered laser diode having a single-frequency spectrum and watt-level power was used as a pump source. The highest conversion efficiency of 18.7% and power stability of 5% for a 1 hour period were attained from a compact laser module.
ISSN:2155-8507