Thermal Nonlinear Effects in Optical Whispering Gallery Microresonatorsстатья
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Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
Местоположение издательства:[Bristol, UK], England
Первая страница:1004
Последняя страница:1009
Аннотация:High-Q whispering gallery microresonators are proposed for use in quantum-nondemolition (QND) photon-number measurements via optical Kerr effect, and exhibit complex nonlinear behavior. This includes two types of thermal nonlinearity (multistability and low-frequency oscillations) at low levels of pump power similar or equal to 10 mu W. Thermal nonlinearity of optical whispering gallery modes in fused silica microresonators has been investigated experimentally using a mode cross-modulation technique, with pulse modulation of the signal pump beam and 10(-10) resolution in the frequency shift of probe mode. Results of the experiment agree well with the theoretical analysis based on the mode field configuration. Conditions for realization of QND photon-number measurements determined by thermal nonlinearity are outlined.