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Proceedings Paper

Structural study of superprism phenomena in photonic crystals
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Paper Abstract

In this paper, superprism phenomena based on phase velocity has been studied. PCs composed of air holes of different shapes in a triangular lattice with constant filling fraction have been taken under study. The observation of superprism behavior has been made using angle sensitive and wavelength sensitive propagation of light. It has been found that the PC with hexagonal rod geometry yields the best behavior of the superprism in the case of angle sensitive propagation. For wavelength sensitive propagation PCs with hexagonal and circular air holes provide almost the same angular separation. Therefore we can conclude that the PC with the air-rod geometry of hexagon is the most suitable candidate for optical devices based on superprism phenomena.

Paper Details

Date Published: 25 August 2008
PDF: 6 pages
Proc. SPIE 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II, 70561C (25 August 2008); doi: 10.1117/12.794433
Show Author Affiliations
R. K. Sinha, Delhi Univ. (India)
Anshu D. Varshney, Delhi Univ. (India)


Published in SPIE Proceedings Vol. 7056:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II
Shizhuo Yin; Ruyan Guo, Editor(s)

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