Article

Faraday Effect in High- Whispering-Gallery Mode Optical Cavities

Dept. of Electr. & Comput. Eng., Univ. of New Mexico, Albuquerque, NM, USA
IEEE Photonics Journal (Impact Factor: 2.33). 11/2011; DOI: 10.1109/JPHOT.2011.2168514
Source: IEEE Xplore

ABSTRACT The general theory of Faraday rotation in high- Q whispering-gallery (WG) mode optical cavities is investigated. We have derived a matrix equation for the transmitted optical field through a WG mode optical cavity in a time-independent magnetic field. Using the corresponding mathematical framework, we have studied the behavior of the output power spectrum as a function of the magnetic field strength for a typical WG mode optical cavity. The effects of input polarization, optical quality factor, and cavity diameter on the magnetic response are studied.

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