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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 18, Iss. 9 — Sep. 1, 2000
  • pp: 1297–

Photonic Bandgaps with Defects and the Enhancement of Faraday Rotation

M. J. Steel, M. Levy, and R. M. Osgood

Journal of Lightwave Technology, Vol. 18, Issue 9, pp. 1297- (2000)


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Abstract

We investigate enhancement of magnetooptical rotation in periodic magnetic garnet thin-film stacks with defects using a combination of coupled-mode theory and matrix calculations. We prove that a combination of high rotation per unit length and high output is unattainable for a symmetric grating with a single central defect. We demonstrate that the addition of a second defect introduces sufficient degrees of freedom to allow high transmission for a much larger range of rotation angles than was previously possible. We present a number of designs with emphasis on achieving 45 rotation in very short propagation lengths.

[IEEE ]

Citation
M. J. Steel, M. Levy, and R. M. Osgood, "Photonic Bandgaps with Defects and the Enhancement of Faraday Rotation," J. Lightwave Technol. 18, 1297- (2000)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-18-9-1297


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References

  1. N. Bahlmann, V. Chandrasekhara, A. Erdmann, R. Gerhardt, P. Hertel, R. Lehmann, D. Salz, F.-J. Schr teler, M. Wallenhorst and H. D tsch, "Improved design of magnetooptic rib waveguides for optical isolators", J. Lightwave Technol., vol. 16, pp. 816-823, 1998.

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