Title :
PT-symmetric cavities with simultaneous unidirectional lasing and reflectionless modes
Author :
Ramezani, Hamidreza ; Hao-kun Li ; Yuan Wang ; Xiang Zhang
Author_Institution :
NSF Nanoscale Sci. & Eng. Center, Univ. of California, Berkeley, Berkeley, CA, USA
Abstract :
Using parity-time (PT) symmetric cavities, we introduce a new family of spectral singularities with highly directional response. At these singularities the PT-symmetric cavity support a simultaneous lasing mode from one side and zero reflection mode from the opposite side.
Keywords :
laser cavity resonators; reflectivity; highly directional response; parity-time symmetric cavities; reflection mode; reflectionless modes; spectral singularities; unidirectional lasing; Cavity resonators; Couplings; Lasers; Optical losses; Refractive index; Resonant frequency; Scattering;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
