M.H.Z. Microwave Photonics Group

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Physics and properties of high-Q optical microresonators

-Electro-optically induced bistability in WGM microresonators

-M. Hossein-Zadeh, and A. F. J. Levi, "Electro-optic bistability in a LiNbO3 microdisk,
 IET Optoelectronics, vol. 2, no. 3, pp. 111-114 ,June 2008.

-Application of high-Q microresonators as integrated optical filters

One of the most improtant applicaiton of high-Q circular resoantors is in the design and fabricaiton of compact high-Q optical
filters. We have studied the importance of the quality factor as well as fabrication issues associated withthis important class of optical filters.

-F. Liu and M. Hossein-Zadeh, "On the performance of multi-ring optical filters,
 IEEE Photonics Journal, vol. 2, no. 6, pp. 991-1002 , Dec 2010.

-M. Hossein-Zadeh, and K. J. Vahala, “ Importance of intrinsic-Q in microring based optical filters and dispersion compensation devices”, IEEE Photonics Technology Letters, vol. 19, no. 14, pp. 1045-1047, July 2007.

-Faraday effect in WGM resonators
We have theoretically studied the effect of magnetic field on the optical resonace insied a high-Q WGM microresonator

-S. Lan and M. Hossein-Zadeh, "Faraday effect in high-Q Whispering-Gallery optical cavities,
IEEE Photonics Journal, vol. 3, no. 5, pp. 871-880, Oct 2011.









-Thermo-optomechanical oscillation in polymer coated microtoridal cavities
We have observed stable temporal oscillation of the transmitted optical power of PMMA coated silica microtorids.

-Y. Deng, F. Liu, Z. C. Leseman, and M. Hossein-Zadeh, “Thermo-optomechanical oscillator for sensing applications,
Optics Express
, vol. 21, no. 4, pp. 4653–4664, Feb 2013.