搜索结果: 1-15 共查到“光学 photonic crystal”相关记录17条 . 查询时间(0.125 秒)
High-Q aluminum nitride photonic crystal nanobeam cavities
High-Q aluminum nitride photonic crystal nanobeam cavities Optics
2012/5/29
We demonstrate high optical quality factors in aluminum nitride (AlN) photonic crystal nanobeam cavities. Suspended AlN photonic crystal nanobeams are fabricated in sputter-deposited AlN-on-insulator ...
Parametric Optomechanical Oscillations in Two-Dimensional Slot-Type High-Q Photonic Crystal Cavities
Parametric Optomechanical Oscillations Two-Dimensional Slot-Type High-Q Photonic Crystal Cavities Optics
2012/5/29
We experimentally demonstrate an optomechanical cavity based on an air-slot photonic crystal cavity with optical quality factor Qo=4.2\times10^4 and a small modal volume of 0.05 cubic wavelengths. The...
First-principles method for high-$Q$ photonic crystal cavity mode calculations
First-principles method high-$Q$ photonic crystal cavity mode calculations Optics
2012/4/24
We present a first-principles theory to compute radiation properties of ultra-high quality factor photonic crystal (PC) cavities using a basis of bound PC waveguide states. This method is used to comp...
Ionization-induced asymmetric self-phase modulation and universal modulational instability in gas-filled hollow-core photonic crystal fibers
Ionization-induced asymmetric self-phase modulation universal modulational instability gas-filled hollow-core photonic crystal fibers Optics
2012/4/20
We study theoretically the propagation of relatively long pulses with ionizing intensities in a hollow-core photonic crystal fiber filled with a Raman-inactive gas. Due to photoionization, previously ...
Femtogram Doubly Clamped Nanomechanical Resonators Embedded in a High-Q Two-Dimensional Photonic Crystal Nanocavity
Nanoelectromechanical system (NEMS) nanomechanics cavity optomechanics photonic crystal cavities mass sensing
2012/4/20
We demonstrate a new optomechanical device system which allows highly efficient transduction of femtogram nanobeam resonators. Doubly clamped nanomechanical resonators with mass as small as 25 fg are ...
An optical diode made from a 'flying' photonic crystal
optical diode 'flying' photonic crystal Optics
2012/4/19
Optical diodes controlling the flow of light are of principal significance for optical information processing 1. They transmit light from an input to an output, but not in reverse direction. This brea...
A photonic crystal cavity-optical fiber tip nanoparticle sensor for biomedical applications
photonic crystal cavity-optical fiber tip nanoparticle sensor biomedical applications Optics
2012/4/19
We present a sensor capable of detecting solution-based nanoparticles using an optical fiber tip functionalized with a photonic crystal cavity. When sensor tips are retracted from a nanoparticle solut...
Coupled-wave model for square-lattice photonic-crystal lasers with TE polarization -- a general approach
Coupled-wave model square-lattice photonic-crystal lasers TE polarization
2011/8/3
Abstract: A general coupled-wave model is presented for square-lattice photonic crystal (PC) lasers with transverse-electric polarization. This model incorporates the high-order coupling effects that ...
Soliton self-frequency blue-shift in gas-filled hollow-core photonic crystal fibers
self-frequency blue-shift photonic crystal fibers
2011/9/7
We show theoretically that the photoionization process in a hollow-core photonic crystal fiber filled with a Raman-inactive noble gas leads to a constant acceleration of solitons in the time domain wi...
Nanobeam Photonic Crystal Cavity Light-Emitting Diodes
Photonic Crystal Nanobeam Light-Emitting Diodes
2011/9/7
We present results on electrically driven nanobeam photonic crystal cavities formed out of a lat-eral p-i-n junction in gallium arsenide. Despite their small conducting dimensions, nanobeams have robu...
Higher-order photon correlations in pulsed photonic crystal nanolasers
Higher-order photon nanolasers pulsed photonic crystal
2011/8/30
We report on the higher-order photon correlations of a high-β nanolaser under pulsed excitation at room temperature. Using a multiplexed four-element superconducting single photon detector we measured...
Selective tuning of high-Q silicon photonic crystal nanocavities via laser-assisted local oxidation
Local oxidation cavity resonance tuning Thermal oxidation
2011/8/29
We examine the cavity resonance tuning of high-Q silicon photonic crystal heterostructures by localized laser-assisted thermal oxidation using a 532 nm continuous wave laser focused to a 2.5 m radius...
Second harmonic generation in GaP photonic crystal waveguides
Second harmonic Nonlinear frequency phosphide photonic crystal
2011/8/26
We demonstrate enhanced second harmonic generation in a gallium phosphide photonic crystal waveguide with a measured external conversion eciency of 5107/W. Our results are promising for fr...
Demonstration of high-Q TE-TM photonic crystal nanobeam cavities
high-Q TE-TM photonic crystal nanobeam cavities Physics
2010/11/16
We experimentally demonstrate high Quality factor dual-polarized TE-TM photonic crystal nanobeam cavities. The free-standing nanobeams are fabricated in a 500 nm thick silicon layer, and are probed u...
Electromagnetic modes of a disordered photonic crystal
Electromagnetic modes photonic crystal
2010/11/12
We present a systematic numerical approach to compute the eigenmodes and the related eigenfrequencies of a disordered photonic crystal, characterized by small fluctuations of the otherwise periodic di...