搜索结果: 226-240 共查到“光学工程 Photonic”相关记录325条 . 查询时间(0.034 秒)
One-WayElectromagnetic Waveguide Formed atthe Interface between a Plasmonic Metal under a Static Magnetic Field and a Photonic Crystal
One-WayElectromagnetic Waveguide Formed Interface between Plasmonic Metal under Static Magnetic Field Photonic Crystal
2015/8/10
We demonstrate theoretically the existence of one-way electromagnetic modesin a waveguide formed between a semi-infinite photonic crystalstructure and a semi-infinite metal region under a ...
GaN-based two-dimensional surface-emitting photonic crystal lasers with AlN/GaN distributed Bragg reflector
two-dimensional surface-emitting photonic crystal lasers AlN/GaN distributed Bragg
2015/8/10
GaN-based two-dimensional !2D" surface-emitting photonic crystal !PC" lasers with AlN/GaN distributed Bragg reflectors are fabricated and demonstrated. The lasing threshold energy density is abo...
Tuning coherent radiative thermal conductance in multilayer photonic crystals
Tuning coherent radiative thermal conductance multilayer photonic crystals
2015/8/10
We consider coherent radiative thermal conductance of a multilayer photonic crystal. The crystal consists of alternating layers of lossless dielectric slabs and vacuum, where heat is conducted only th...
Aligning microcavity resonances in silicon photonic-crystal slabs using laser-pumped thermal tuning
Aligning microcavity resonances silicon photonic-crystal slabs laser-pumped thermal tuning
2015/8/10
We report the postfabrication alignment of multiple microcavity resonances in silicon photonic-crystal !PhC" slabs using laser-pumped thermal tuning. The thermal gradient resulting from a focused lase...
Analysis of guided-resonance-based polarization beam splitting in photonic crystal slabs
Analysis guided-resonance-based polarization beam splitting photonic crystal slabs
2015/8/10
We present an analysis of the phase and amplitude responses of guided resonances in a photonic crystal slab.Through this analysis, we obtain the general rules and conditions under which a photonic cry...
Slow Light Enhanced Third-Harmonic Generation in Silicon Photonic Crystal Waveguides
Third-Harmonic Silicon Photonic Crystal Waveguides
2015/8/6
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...
80-Gb/s RZ-OOK generation using hybrid photonic-integrated electroabsorption modulators and 40G electronics
RZ-OOK hybrid photonic-integrated electroabsorption modulators electronics
2015/8/6
We report generation of 80-Gb/s RZ-OOK signals using a hybrid photonic integrated electroabsorption device. We achieve this using electronics having a bandwidth of 40 GHz or less and without using an ...
Photonic Envelope Detector for Broadband Wireless Signals using a Single Mach-Zehnder Modulator and a Fibre Bragg Grating
Photonic Envelope Detector Broadband Wireless Signals Single Mach-Zehnder Modulator Fibre Bragg Grating
2015/8/6
A novel technique for envelope detection of wireless signals using a single Mach-Zehnder modulator is presented.Experimental demonstration of 1.25 Gbit/s ASK modulated 35 GHz carrier envelope detectio...
250 Gb/s Multi-Wavelength Operation of Microring Resonator-Based Broadband Comb Switch for Silicon Photonic Networks-on-Chip
Multi-Wavelength Operation Broadband Comb Switch Silicon Photonic Networks-on-Chip
2015/8/4
A 250-Gb/s multi-wavelength signal dynamically routed through a high-speed 1×2 silicon switch advocates low-power networks-on-chip, with power penalties and extinction ratios investigated.
Optically Tuneable Microwave-Photonic Phase Shifter Based on Silicon Microring Resonator
Optically Tuneable Microwave-Photonic Phase Shifter Silicon Microring Resonator
2015/8/4
We demonstrate a microwave-photonic phase shifter based on a 20-μm-radius silicon microring resonator, providing a tunable phase shift for a 20-GHz signal in a range of 0 - -4.6 rad.
A Polarization Maintaining Filter based on a Liquid-Crystal-Photonic- Bandgap-Fiber
Polarization Maintaining Filter Liquid-Crystal-Photonic- Bandgap-Fiber
2015/8/4
A polarization maintaining filter based on a liquid-crystal-photonic-bandgap-fiber is demonstrated. Its polarization extinction ratio is 14 dB at 1550 nm. Its tunability is 150 nm.
Widely-tunable photonic-crystal-fiber optical parametric oscillator
High-resolution Refractive Index Sensing Solid-core Photonic Crystal Fibers
2015/8/4
We present a widely-tunable low-threshold all-fiber optical parametric oscillator. The tuning range of the output stretches from 23 to 164 THz above the pump frequency.
High-resolution Refractive Index Sensing using Solid-core Photonic Crystal Fibers with High Index Infiltrations
High-resolution Refractive Index Sensing Solid-core Photonic Crystal Fibers
2015/8/4
We report the experimental demonstration of a refractive index sensor using scalable bandgap shift in two different structures of solid-core photonic crystal fibers. Resolution ~10 -7 refractive index...
Improvement of the transmission of chalcogenide photonic crystal fibres:observation of self phase modulation spectral broadening
chalcogenide photonic crystal fibres phase modulation spectral broadening
2015/8/4
We present a chalcogenide photonic crystal fibre design with a lowest attenuation of 3dB/m at 1,55 μm. We observe, for the first time, self phase modulation spectral broadening.
Ultra-Compact Photonic-Crystal-Based Tuneable Mach-Zehnder Interferometer for Low-Power Integrated Optical Switches
Photonic-Crystal Tuneable Mach-Zehnder Interferometer Low-Power Integrated Optical Switches
2015/8/4
The “slow light” property and wide-band 90°-bends of pillar-photonic-crystal waveguides enables entire-C-band ultra-compact optical devices. We demonstrate tuneable Mach-Zehnder interferometers with a...