Title :
Broad band unidirectional invisibility using PT-symmetry
Author :
Ramezani, H. ; Lin, Z. ; Eichelkraut, T. ; Kottos, T. ; Cao, H. ; Christodoulides, D.N.
Author_Institution :
Dept. of Phys., Wesleyan Univ., Middletown, CT, USA
Abstract :
We show that parity-time symmetric Bragg grating structures, at the spontaneous PT-symmetry point, can act as unidirectional transparent media where the reflection from one side is suppressed while it is enhanced from the other.
Keywords :
Bragg gratings; light reflection; self-induced transparency; Bragg grating structures; broadband unidirectional invisibility; parity-time symmetry; reflection; spontaneous PT-symmetry point; unidirectional transparent media; Absorption; Gratings; Integrated optics; Reflection; Refractive index; Scattering;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4