Paper Title:
Negative Refraction in Photonic Crystals
  Abstract

Light focusing characteristics of a negative refractive lens fabricated out of a silicon-on-insulator photonic crystal (PC) slab are investigated theoretically and experimentally. It focuses in the near infrared, but the focal spot is degraded by a lens aberration. To reduce the aberration, we designed a composite PC that gives rise to a narrower focal spot. In addition, two unique functions of this lens are demonstrated: refocusing outside of the PC and parallel focusing, enabling image transfer and real image formation, respectively. These results prove the feasibility of an in-plane free space optical network based on negative refraction.

  Info
Periodical
Main Theme
Edited by
Pietro VINCENZINI and Giancarlo RIGHINI
Pages
91-100
DOI
10.4028/www.scientific.net/AST.55.91
Citation
T. Baba, T. Matsumoto, T. Asatsuma, "Negative Refraction in Photonic Crystals", Advances in Science and Technology, Vol. 55, pp. 91-100, 2008
Online since
September 2008
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