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Broad-band mirror (1.12-1.62 μm) using a subwavelength grating

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5 Author(s)
Mateus, C.F.R. ; Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Berkeley, CA, USA ; Huang, M.C.Y. ; Lu Chen ; Chang-Hasnain, C.J.
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We report the first experimental demonstration of a novel single-layer subwavelength grating (SWG) that has >500-nm-wide reflection spectrum from 1.12-1.62 μm and very high reflectivity (>98.5%). This SWG is scalable for different wavelengths by simply changing the grating dimensions, which, thus, facilitates monolithic integration of devices over a wide range of wavelengths.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 7 )