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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 21, Iss. 2 — Feb. 1, 2003
  • pp: 561–

Beam Steering in Planar-Photonic Crystals:From Superprism to Supercollimator

Lijun Wu, Michael Mazilu, and Thomas F. Krauss

Journal of Lightwave Technology, Vol. 21, Issue 2, pp. 561- (2003)


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Abstract

We utilize the anomalous dispersion of planar-photonic crystals (PhCs) near the dielectric band edge to control the wavelength-dependent propagation of light. Light beams with up to 20° divergence were collimated over a 25-nm (1285 nm to 1310 nm) bandwidth using a triangular lattice. The"superprism"phenomenon is demonstrated in the same configuration, simply by tuning the wavelength. Sources of loss are discussed. Both the plane-wave expansion calculation and finite-difference time-domain simulation match well with the experimental results. This is the first experimental demonstration of self-collimating phenomena in a PhC configuration.

[IEEE ]

Citation
Lijun Wu, Michael Mazilu, and Thomas F. Krauss, "Beam Steering in Planar-Photonic Crystals:From Superprism to Supercollimator," J. Lightwave Technol. 21, 561- (2003)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-21-2-561

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