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Ultra-compact photonic crystal waveguide spatial mode converter and its connection to the optical diode effect
Integrated optics devices Guided waves
2015/8/7
We design an extremely compact photonic crystal waveguide spatial mode converter which converts the fundamental even mode to the higher order odd mode with nearly 100% efficiency. We adapt a pre...
Tuning the coherent interaction in an on-chip photonic-crystal waveguide-resonator system
coherent interaction on-chip photonic-crystal waveguide-resonator system
2015/8/10
We experimentally demonstrated that the characteristics of the coherent interaction between two waveguide-coupled resonators can be drastically tuned by changing the propagation phase in the waveguide...
Topology-Optimized Slow-Light Couplers for Ring-Shaped Photonic Crystal Waveguide
Integrated optics devices Photonic crystals Waveguides planar
2015/6/4
We demonstrate a topology-optimized coupler for a ring-shaped photonic crystal waveguide to improve the coupling of light located in the slow-light regime. An enhancement of the coupling efficiency of...
A 60° photonic crystal waveguide bend with improved transmission characteristics
photonic crystal waveguide bend bandwidth
2011/5/6
In this paper, a 60° waveguide bend is designed in a two-dimensional (2D) photonic crystal (PC) slab to provide high transmission over a large bandwidth. We apply geometrical modification in the bend ...
Photonic Crystal Waveguide Weakly Interacting with Multiple Off-Channel Resonant Features Formed of Kerr Nonlinear Dielectric Media
Kerr Nonlinear Dielectric Media Resonant Features
2008/10/29
A theoretical study is presented of guided modes of a photonic crystal waveguide for cases in which they interact with multiple bound electromagnetic modes localized on off-channel impurity features o...
Subwavelength-Diameter Silica Wire and Photonic Crystal Waveguide Slow Light Coupling
Subwavelength-Diameter Silica Wire Photonic Crystal Waveguide Light Coupling
2010/12/6
Counter-directional coupling between subwavelength-diameter silica wire and single-line-defect two-dimensional photonic crystal slab waveguide is studied numerically using parallel three-dimensional f...
Wannier Basis Design and Optimization of a Photonic Crystal Waveguide Crossing
Design optimization photonic crystal (PC) devices
2015/8/11
We employ a novel platform for the realization of tunable photonic crystal (PC) circuits together with a Wannier basis modeling and optimization scheme in order to design a broad-band waveguide crossi...