Nearly three orders of magnitude enhancement of Goos-Hanchen shift by exciting Bloch surface wave | Zendy

Yuhang Wan | Zendy; Zheng Zheng | Zendy; Weijing Kong | Zendy; Xin Zhao | Zendy; Ya Liu | Zendy; Yusheng Bian | Zendy; Jiansheng Liu | Zendy

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Nearly three orders of magnitude enhancement of Goos-Hanchen shift by exciting Bloch surface wave

Author(s) -

Yuhang Wan,

Zheng Zheng,

Weijing Kong,

Xin Zhao,

Ya Liu,

Yusheng Bian,

Jiansheng Liu

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.008998

Subject(s) - photonic crystal , optics , physics , total internal reflection , wavelength , refractive index , surface wave , excited state , cladding (metalworking) , bloch wave , millimeter , light beam , materials science , condensed matter physics , atomic physics , metallurgy

Goos-Hanchen effect is experimentally studied when the Bloch surface wave is excited in the forbidden band of a one-dimensional photonic band-gap structure. By tuning the refractive index of the cladding covering the truncated photonic crystal structure, either a guided or a surface mode can be excited. In the latter case, strong enhancement of the Goos-Hanchen shift induced by the Bloch-surface-wave results in sub-millimeter shifts of the reflected beam position. Such giant Goos-Hanchen shift, ~750 times of the wavelength, could enable many intriguing applications that had been less than feasible to implement before.

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