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Displacement-sensitive photonic crystal structures based on guided resonance in photonic crystal slabs
Displacement-sensitive photonic crystal structures guided resonance photonic crystal slabs
2015/8/11
We introduce a mechanically tunable photonic crystal structure consisting of coupled photonic crystal slabs. Using both analytic theory, and first-principles finite-difference time-domain ...
Total Absorption in a Graphene Monolayer in the Optical Regime by Critical Coupling with a Photonic Crystal Guided Resonance
graphene photonic crystal near-infrared critical coupling guided resonance absorption enhancement
2015/8/6
We numerically demonstrate total absorption in graphene in the near-infrared and visible wavelength ranges by means of critical coupling with guided resonances of a photonic crystal slab. In this wave...
Tight-binding calculation of radiation loss in photonic crystal CROW
Photonic crystals Photonic crystal waveguides Coupled resonators
2015/8/7
The tight binding approximation (TBA) is used to relate the intrinsic, radiation loss of a coupled resonator optical waveguide (CROW) to that of a single constituent resonator within a light cone pict...
Compact bends for multi-mode photonic crystal waveguides with high transmission and suppressed modal crosstalk
Nanophotonics photonic crystals Integrated optics devices Photonic crystal waveguides
2015/8/7
We demonstrate an extremely compact bend for a photonic crystal waveguide supporting three spatial modes. The bend exhibits nearly 100% transmission over a relative bandwidth of 1% with less than 1% c...
Double-layer Fano resonance photonic crystal filters
Photonic crystals Optical filters Nanophotonics photonic crystals
2015/8/7
We report ultra-compact surface-normal high-Q optical filters based on single- and double-layer stacked Fano resonance photonic crystal slabs on both Si and quartz substrates. A single layer photonic ...
Coupled double-layer Fano resonance photonic crystal filters with lattice-displacement
Coupled double-layer Fano resonance photonic crystal filters lattice-displacement
2015/8/7
We present here ultra-compact high-Q Fano resonance filters with displaced lattices between two coupled photonic crystal slabs, fabricated with crystalline silicon nanomembrane transfer printing...
Photonic Crystal Based Direct and Inverse Heterostructures by Colloidal Self-Assembly
Photonic Crystal Heterostructure Self-Assembly Sol-Gel Inverse Photonic Crystal Dual Stop Bands
2013/1/30
Photonic crystal heterostructures containing two materials and/or two lattice constants are synthesized using the colloids of polystyrene and polymethyl methacrylate by a self-assembling technique. Th...
Wave Transmission in Dispersive Si-Based One Dimensional Photonic Crystal
Photonic Crystals Omni-Directional Reflection Optical Filter
2013/1/30
Transmission of electromagnetic waves through a Si-based one dimensional photonic crystal has been investigated. The proposed structure works as an omni-directional reflector for a certain range of wa...
Tunable Reflection Bands and Defect Modes in One-Dimensional Tilted Photonic Crystal Structure
Photonic Crystal Structure Photonic Band Gap (PBG) Omnidirectional Reflector Tilted PC Structure De-fect Modes
2013/1/30
We show theoretically that range of reflection bands and defect modes inside the band gap can be tuned by using a one-dimensional tilted photonic crystal (TPC) structure. A TPC structure is similar to...
Opal-Based Photonic Crystal Heterostructures
Sol-Gel Colloidal Crystals Optical Properties Heterostructures
2013/1/30
The fabrication of photonic crystal heterostructures is important for the applications in the fields of integrated photonic crystal chips and multi-frequency optical Bragg filters or mirrors; here we ...
THz-Wave Generation from GaP THz Photonic Crystal Waveguides under Difference-Frequency Mixing
THz-Wave Generation Photonic Crystal Waveguide Nonlinear Optical Effect
2013/1/30
GaP terahertz (THz) two-dimensional (2D) photonic crystal (PC) waveguides with line defects were fabricated using inductively-coupled plasma reactive-ion etching (ICP-RIE) in Ar/Cl2 gas chemistries. T...
Effective Soliton Fusion Process at the Advanced Stage of Supercontinuum Generation in Photonic Crystal Fibers
Supercontinuum Generation Temporal Solitons Soliton Fusion Photonic Crystal Fibers
2013/1/30
Soliton fusion is a fascinating and delicate phenomenon that manifests itself in optical fibers in case of interaction between co-propagating solitons with small temporal and wavelengths separation. T...
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...
Partially liquid-filled hollow-core photonic crystal fiber polarizer
Partially liquid-filled hollow-core photonic crystal fiber polarizer
2013/5/27
A compact fiber polarizer is demonstrated by the filling of selected air holes of a hollow-core photonic crystal fiber (PCF) with a liquid. The liquid-filling results in an asymmetric waveguide struct...
Design methodology for compact photonic-crystal-based wavelength division multiplexers
compact photonic-crystal-based wavelength division multiplexers
2015/8/10
We present an extremely compact wavelength division multiplexer design, as well as a general framework for designing and optimizing frequency selective devices embedded in photonic crystals satisfying...