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Proceedings Paper

Epsilon-near-zero-slot waveguides and their applications in ultrafast laser beam steering
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Paper Abstract

Recent research on epsilon-near-zero (or index-near-zero) materials has revealed their promising applications in optoelectronics. We explore a novel waveguide structure, namely “epsilon-near-zero-slot waveguide”, by utilizing transparent conducting oxides as the active medium, which can be tuned between epsilon-near-zero and epsilon-farfrom- zero by accumulation carriers, resulting in sharp effective index change. We propose laser beam steering by taking advantage of this epsilon-near-zero-slot waveguide structure. With about 60°steering angle being achieved, this waveguide structure has the advantages of ultra high speed and compact dimension, as well as easy fabrication.

Paper Details

Date Published: 7 March 2014
PDF: 7 pages
Proc. SPIE 8980, Physics and Simulation of Optoelectronic Devices XXII, 89800L (7 March 2014); doi: 10.1117/12.2041945
Show Author Affiliations
Kaifeng Shi, Rochester Institute of Technology (United States)
Wangshi Zhao, Rochester Institute of Technology (United States)
Zhaolin Lu, Rochester Institute of Technology (United States)


Published in SPIE Proceedings Vol. 8980:
Physics and Simulation of Optoelectronic Devices XXII
Bernd Witzigmann; Marek Osiński; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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