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Completely Capturing Light Pulses in a Few Dynamically Tuned Microcavities
Coupled mode analysis optical pulses simulation waveguides
2015/8/10
We describe a dynamically tuned system capable of capturing light pulses incident from a waveguide in a pair of microcavities.
Enhanced Nonlinearity in SOI Microcavities by III-V/SOI Heterogeneous Integration
Enhanced Nonlinearity SOI Microcavities III-V/SOI Heterogeneous Integration
2015/7/31
We demonstrate enhanced nonlinearity in an SOI microcavity by heterogeneously integrating a III-V overlay on top of the SOI waveguide layer. Nonlinear transmission and all-optical modulation is observ...
High-contrast all-optical bistable switching in photonic crystal microcavities
all-optical bistable switching photonic crystal microcavities
2015/8/11
We present a bistable photonic crystal configuration consisting of a waveguide sided coupled to a single-mode cavity with instantaneous Kerr nonlinearity. We show that such a configuration...
Photonic band-gap waveguide microcavities:Monorails and air bridges
Photonic band-gap waveguide microcavities Monorails air bridges
2015/8/12
Photonic band-gap monorail and air-bridge waveguide microcavities, operating at the wavelength regime of 1550 nm, are fabricated using GaAs-based compound semiconductors. The fabrication process invol...
One-Dimensional Photonic Bandgap Microcavities for Strong Optical Confinement in GaAs and GaAs/Al O Semiconductor Waveguides
Gallium alloys nanotechnology optical waveguide fi lters
2015/8/12
Photonic bandgap (PBG) waveguide microcavities with tightly confined resonant optical modes have been designed,fabricated using high-dielectric-contrast GaAs/AlxOy III–V compound semiconductor s...
Photonic-bandgap microcavities in optical waveguides
Photonic-bandgap microcavities optical waveguides
2015/8/12
Confinement of light to small volumes has important implications for optical emission properties: it changes the probability of spontaneous emission from atoms, allowing both enhancement and inh...
Microcavities in photonic crystals: Mode symmetry, tunability, and coupling efficiency
Microcavities photonic crystals Mode symmetry tunability
2015/8/12
We investigate the properties of resonant modes which arise from the introduction of local defects in two-dimensional ~2D! and 3D photonic crystals. We show that the properties of these modes can be c...
Air-bridge microcavities
Air-bridge microcavities
2015/8/12
We introduce and analyze a new type of high-Q microcavity consisting of a channel waveguide and a one-dimensional photonic crystal. A band gap for the guided modes is opened and a sharp resonant state...