1. InGaN distributed feed back laser with sidewall gratings emitting at 42X nm
- Author
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Thomas J. Slight, Amit Yadav, Szymon Grzanka, Kevin E. Docherty, Antony E. Kelly, Scott Watson, Michał Leszczyński, Nikolay B. Chichkov, S. Stanczyk, Edik U. Rafailov, P. Perlin, and S. P. Najda
- Subjects
Waveguide lasers ,Feed back ,Blue laser ,Materials science ,business.industry ,02 engineering and technology ,Grating ,021001 nanoscience & nanotechnology ,Laser ,01 natural sciences ,law.invention ,010309 optics ,Full width at half maximum ,Wavelength ,law ,0103 physical sciences ,Optoelectronics ,0210 nano-technology ,business - Abstract
We demonstrate a single wavelength operation from an InGaN/GaN distributed feedback (DFB) blue laser at 42X nm. The 39th order grating is etched in the sidewall to achieve single wavelength. The laser has a FWHM of ~ 25 pm at 500mA pulsed current with 15 mW output power.
- Published
- 2018
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