Open AccessHighly efficient all-optical diode action based on light-tunneling heterostructures
Author(s) -
Chunhua Xue,
Haitao Jiang,
Hong Chen
Publication year - 2010
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.18.007479
Subject(s) - quantum tunnelling , heterojunction , materials science , optoelectronics , optics , diode , photonics , light emitting diode , photonic crystal , transmission (telecommunications) , wavelength , electric field , physics , telecommunications , computer science , quantum mechanics
We theoretically investigate the feasibility of constructing compact and highly efficient all-optical diodes (AODs) based on light tunneling mechanism in heterostructures. Due to light tunneling behaviors in heterostructures with one-dimensional photonic crystals (1D PC) and lossy metallic film, not only very large nonlinear permittivity of metal can be utilized sufficiently but also the structures with strongly nonreciprocal electric field distributions can be constructed. Finally we design a composite structure consisting of 1D PC-metal heterostructures to achieve the optimal unidirectional light transmission with 0.984 transmission contrasts, 42% transmission and 0.93 GW/cm(2) operating light power at working wavelength 557.2nm.