Wavefront Control using Si/SiO2 based High index Contrast Grating

Title
Wavefront Control using Si/SiO2 based High index Contrast Grating
Authors
김준영연규혁김지훈송진동김태중김영동
Issue Date
2013-07
Publisher
나노기술 심포지엄
Abstract
• HCG structure can be used to manipulate the transmitted beam, while maintaining high reflectivity for the incident beam. • Simulated structures with parabolic phase profile show the beam focusing at about 30 μm from the grating. And the structures with linear phase profile show the beam steering angle of ~18˚. • The capability of these HCG structure to feature high reflectivity as well as wavefront control can be advantageous for many applications, such as LD and LED. • Study of different phase profiles from the grating can be used to broadening the set of possible applications as well as opening the possibility for integration of additional functionalities in compact and cost effective devices.
URI
http://pubs.kist.re.kr/handle/201004/45159
Appears in Collections:
KIST Publication > Conference Paper
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