Structural study of superprism phenomena in photonic crystals

R. K. Sinha; Anshu D. Varshney

doi:10.1117/12.794433

25 August 2008 Structural study of superprism phenomena in photonic crystals

R. K. Sinha, Anshu D. Varshney

Proceedings Volume 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II; 70561C (2008) https://doi.org/10.1117/12.794433
Event: Photonic Devices + Applications, 2008, San Diego, California, United States

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.

Citation Download Citation

R. K. Sinha and Anshu D. Varshney "Structural study of superprism phenomena in photonic crystals", Proc. SPIE 7056, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications II, 70561C (25 August 2008); https://doi.org/10.1117/12.794433

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