Parity-time symmetric optical cavities
(Conference Presentation)

Zi Jing Wong; Xiang Zhang

doi:10.1117/12.2238577

9 November 2016 Parity-time symmetric optical cavities (Conference Presentation)

Zi Jing Wong, Xiang Zhang

Proceedings Volume 9920, Active Photonic Materials VIII; 99201L (2016) https://doi.org/10.1117/12.2238577
Event: SPIE Nanoscience + Engineering, 2016, San Diego, California, United States

Abstract

Optical cavities are imperative in micro/nanophotonics for their ability to provide resonance feedback and radiation enhancement. In recent years, the interplay between gain and loss using parity-time (PT) symmetry has opened up a new degree of freedom for cavity mode and emission control. I will first discuss a PT micro-ring cavity with the unique features of thresholdless PT symmetry breaking and single-mode lasing. Next, I will reveal a novel PT optical cavity which can support lasing and coherent perfect absorption modes within a single device and enable strong modulation from coherent amplification to coherent absorption.

Conference Presentation

Citation Download Citation

Zi Jing Wong and Xiang Zhang "Parity-time symmetric optical cavities (Conference Presentation)", Proc. SPIE 9920, Active Photonic Materials VIII, 99201L (9 November 2016); https://doi.org/10.1117/12.2238577

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