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Guided-mode resonant coherent light absorbers
- Authors
- Giese, JA; Yoon, Jae Woong; Wenner, BR; Allen, JW; Allen, MS; Magnusson, R
- Issue Date
- Feb-2014
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS LETTERS, v.39, no.3, pp.486 - 488
- Indexed
- SCIE
SCOPUS
- Journal Title
- OPTICS LETTERS
- Volume
- 39
- Number
- 3
- Start Page
- 486
- End Page
- 488
- ISSN
- 0146-9592
- Abstract
- We present a new class of coherent perfect absorbers based on guided-mode resonance in thin semiconductor films. Using particle-swarm optimization methods, we design a thin-film amorphous silicon grating that maximizes coherent modulation of the absorbance. The optimized device exhibits a maximum scattering power of ?94% and a power absorption limit approaching 100% at the 1550-nm wavelength.
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Related Researcher
- Yoon, Jae Woong
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)