Title :
Parity-time (PT)-symmetric optical microcavities
Author :
Bo Peng ; Özdemir, Şahin Kaya ; Shanhui Fan ; Nori, Franco ; Gianfreda, Mariagiovanna ; Bender, Carl M. ; Lan Yang
Author_Institution :
Dept. of Electr. & Syst. Eng., Washington Univ., St. Louis, MO, USA
Abstract :
We report the first demonstration of PT-symmetry and its breaking in a system of two directly-coupled on-chip whispering-gallery-mode microresonators[1]. We observed strong nonreciprocity due to strong-field localization and enhanced nonlinearity in the broken PT-symmetry phase.
Keywords :
micro-optics; microcavities; micromechanical resonators; optical resonators; whispering gallery modes; broken PT- symmetry phase; directly-coupled on-chip whispering-gallery-mode microresonators; enhanced nonlineańty; nomeciprocity; parity-time symmetric optical microcavities; strong-field localization; Couplings; Optical coupling; Optical fibers; Optical reflection; Optical resonators;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
