A GaInP-based photo-converter of laser radiation with an efficiency of 46.7% at a wavelength of 600 nm
Mintairov S. A. 1, Evstropov V.V. 1, Mintairov M.A.1, Nakhimovich M.V.1, Salii R. A. 1, Shvarts M.Z. 1, Kalyuzhnyy N.A. 1
1Ioffe Institute, St. Petersburg, Russia
Email: mintairov@scell.ioffe.ru, vvevstropov@gmail.com, mamint@mail.ioffe.ru, NMar@mail.ioffe.ru, rino.art@gmail.com, shvarts@scell.ioffe.ru, nickk@mail.ioffe.ru

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GaInP-based laser power converters (LPC) structure grown by MOVPE and device chip design have been optimized for operation under high-power lasers of the green-red spectral range. Light I-V curves records have shown the performance of the LPC at up to 40-50 W/cm2 of incident power densities. The highest level data were obtained for 532, 600, and 633 nm power laser lines: 44.3%, 46.7%, and 40.6% under 13-16 W/cm2, respectively. LPC demonstrated an efficiency of more than 40% at the incident laser radiation power density elevated up to 40-50 W/cm2. Keywords: laser photoconverter, MOVPE, efficiency, spectral response.
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