Direct observations for the superprism effect in photonic crystals utilizing negative refraction

S. Y. Yang; J. Y. Wu; H. E. Horng; Chin Yih Hong; H. C. Yang

doi:10.1063/1.2890390

Direct observations for the superprism effect in photonic crystals utilizing negative refraction

S. Y. Yang, J. Y. Wu, H. E. Horng, Chin Yih Hong, H. C. Yang

Undergraduate Program of Electro-Optical Engineering

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

In this work, we experimentally explored the negative-refraction superprism effect in photonic crystals by investigating the frequency-dependent negative refractive index of photonic crystals at microwave frequencies from 8.2 to 8.4 GHz. By detecting the spatially distributed intensity of a transmitted microwave whose incident angle is well controlled, we determined the propagating path, the refractive angle, and the refractive index of the transmitted microwave. The highly dispersive relationship between the negative refractive index and the frequency of microwave observed indicates potential applicability of this method for being used in a microwave wavelength demultiplexer by utilizing the negative-refraction superprism effect in photonic crystals.

Original language	English
Article number	053110
Journal	Journal of Applied Physics
Volume	103
Issue number	5
DOIs	https://doi.org/10.1063/1.2890390
Publication status	Published - 2008

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.2890390

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title = "Direct observations for the superprism effect in photonic crystals utilizing negative refraction",

abstract = "In this work, we experimentally explored the negative-refraction superprism effect in photonic crystals by investigating the frequency-dependent negative refractive index of photonic crystals at microwave frequencies from 8.2 to 8.4 GHz. By detecting the spatially distributed intensity of a transmitted microwave whose incident angle is well controlled, we determined the propagating path, the refractive angle, and the refractive index of the transmitted microwave. The highly dispersive relationship between the negative refractive index and the frequency of microwave observed indicates potential applicability of this method for being used in a microwave wavelength demultiplexer by utilizing the negative-refraction superprism effect in photonic crystals.",

author = "Yang, {S. Y.} and Wu, {J. Y.} and Horng, {H. E.} and Hong, {Chin Yih} and Yang, {H. C.}",

note = "Funding Information: This work is supported by the National Science Council of Taiwan under Grant No. 95-2112-M-003-017-MY2.",

year = "2008",

doi = "10.1063/1.2890390",

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journal = "Journal of Applied Physics",

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T1 - Direct observations for the superprism effect in photonic crystals utilizing negative refraction

AU - Yang, S. Y.

AU - Wu, J. Y.

AU - Horng, H. E.

AU - Hong, Chin Yih

AU - Yang, H. C.

N1 - Funding Information: This work is supported by the National Science Council of Taiwan under Grant No. 95-2112-M-003-017-MY2.

PY - 2008

Y1 - 2008

N2 - In this work, we experimentally explored the negative-refraction superprism effect in photonic crystals by investigating the frequency-dependent negative refractive index of photonic crystals at microwave frequencies from 8.2 to 8.4 GHz. By detecting the spatially distributed intensity of a transmitted microwave whose incident angle is well controlled, we determined the propagating path, the refractive angle, and the refractive index of the transmitted microwave. The highly dispersive relationship between the negative refractive index and the frequency of microwave observed indicates potential applicability of this method for being used in a microwave wavelength demultiplexer by utilizing the negative-refraction superprism effect in photonic crystals.

AB - In this work, we experimentally explored the negative-refraction superprism effect in photonic crystals by investigating the frequency-dependent negative refractive index of photonic crystals at microwave frequencies from 8.2 to 8.4 GHz. By detecting the spatially distributed intensity of a transmitted microwave whose incident angle is well controlled, we determined the propagating path, the refractive angle, and the refractive index of the transmitted microwave. The highly dispersive relationship between the negative refractive index and the frequency of microwave observed indicates potential applicability of this method for being used in a microwave wavelength demultiplexer by utilizing the negative-refraction superprism effect in photonic crystals.

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Direct observations for the superprism effect in photonic crystals utilizing negative refraction

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