Abstract

A perturbative approach is discussed for the calculation of the radiation and scattering losses in cylindrical microresonators with arbitrary refractive index or shape profile. A new method for inducing losses in the cavity using the electrooptic effect with periodic modulation of the refractive index is introduced. The perturbative method is used for the calculation of the losses due to periodic modulation of the refractive index. The applications of this approach for the calculation of scattering losses due to surface roughness of microresonators and scattering due to deviation from ideal cylindrical shape are discussed.

© 2005 IEEE

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Opt. Lett. (1)

Other (7)

M. Kuznetsov and H. A. Haus, "Radiation loss in dielectric waveguide structures by the volume current method", IEEE J. Quantum Electron., vol. QE-19, pp. 1505 -1514, 1983.

F. Ladouceur, J. D. Love and T. J. Senden, "Effect of side wall roughness in buried channel waveguides", in Proc. Inst. Elect. Optoelectron., vol. 141, 1994, pp. 242-248.

B. E. Little, S. T. Chu, H. A. Haus, J. Foresi and J. P. Laine, "Microring resonator channel dropping filters", J. Lightw. Technol. , vol. 15, pp. 998-1005, 1997.

P. Rabiei, W. H. Steier, Z. Cheng and L. R. Dalton, "Polymer micro-ring filters and modulators", J. Lightw. Technol. , vol. 20, pp. 1968-1975, 2002.

P. Rabiei, W. H. Steier, Z. Cheng, W. C. Guang and H. J. Lee, "Polymer micro-ring modulator with 1 THz FSR", in Postdeadline Papers: Sum. Papers Presented Conf. Lasers Electro Optics, vol. 2, Long Beach, CA, May 19-24 2002.

B. E. Little and S. T. Chu, "Theory of loss and gain trimming of resonator-type filters", IEEE Photon. Technol. Lett., vol. 12, pp. 636-638, 2000.

J. P. R. Lacey and F. P. Payne, "Radiation loss from planar waveguides with random wall imperfections", in Proc. Inst. Elect. J. Optoelectron., vol. 137, 1990, pp. 282-288.

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