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Compact bends for multi-mode photonic crystal waveguides with high transmission and suppressed modal crosstalk
Nanophotonics photonic crystals Integrated optics devices Photonic crystal waveguides
2013/8/7
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...
THz-Wave Generation from GaP THz Photonic Crystal Waveguides under Difference-Frequency Mixing
THz-Wave Generation Photonic Crystal Waveguide Nonlinear Optical Effect
2012/9/28
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...
Silicon-on-Insulator Ring-Shaped Photonic Crystal Waveguides for Refractive Index Sensing
Integrated optics devices Sensors Photonic crystals
2010/6/4
We present an integrated refractive index sensor based on a ring-shaped photonic crystal waveguide. We measured the shift in cut-off wavelength for different ambient refractive indices and we observed...
In-Band OSNR Monitoring via Slow-Light Enhanced Third Harmonic Generation in Silicon Photonic Crystal Waveguides
In-Band OSNR Monitoring Slow-Light Enhanced Third Harmonic Generation Silicon Photonic Crystal Waveguides
2009/7/16
We demonstrate optical performance monitoring of in-band OSNR in 40Gbit/s Return-to-Zero signals via slow-light enhanced third-harmonic generation in silicon photonic crystal waveguides, improving on ...
An investigation of the effect of intermediate layer in three-component planar photonic crystal waveguides
three-component planar photonic crystal waveguide
2009/2/6
The introduction of a third component into planar photonic crystal waveguides definitely influences the properties of linear defect modes, such as the band diagram, intrinsic loss, group velocity and ...
Slow Light Enhanced Third-Harmonic Generation in Silicon Photonic Crystal Waveguides
Third-Harmonic Silicon Photonic Crystal Waveguides
2008/8/6
We report visible (green) third-harmonic generation in silicon by launching near-infrared picosecond pulses into highly confined photonic crystal waveguides. We demonstrate slow light enhancement of t...
Optimization of two- dimensional photonic crystal waveguides for TE and TM polarizations
photonic crystal waveguides photonic bandgaps
2008/4/6
In this paper, we optimize the geometries of some 2D photonic crystal waveguides to increase their single-mode bandwidths for TE and TM polarizations. Using the Plane Wave Expansion (PWE) method combi...
Absorbing Boundary Conditions for FDTD Simulations of Photonic Crystal Waveguides
Absorbing Boundary Conditions FDTD Simulations Photonic Crystal Waveguides
1999/8/12
We present a novel numerical scheme for the reduction of spurious reflections in simulations of electromagnetic wave propagation in photonic crystal waveguides. We use a distributed Bragg re@...
High Transmission through Sharp Bends in Photonic Crystal Waveguides
High Transmission Sharp Bends Photonic Crystal Waveguides
1998/8/12
We demonstrate highly efficient transmission of light around sharp corners in photonic bandgap waveguides. Numerical simulations reveal complete transmission at certain frequencies, and very hig...
Bound states in photonic crystal waveguides and waveguide bends
Bound states photonic crystal waveguides waveguide bends
1998/8/12
We investigate the mechanism for the appearance of bound states in two-dimensional photonic crystal waveguides and contrast it with the corresponding mechanism for conventional guides. It is shown tha...