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Experimental demonstration of an all-optical analogue to the superradiance effect in an on-chip photonic crystal resonator system
all-optical analogue superradiance effect on-chip photonic crystal resonator system
2015/8/10
We show that an all-optical analogue to the Dicke superradiance effect can be observed in on-chip photonic crystal resonator systems where two resonators are separated by a distance much longer than t...
Optical resonances created by photonic transitions
Optical resonances created photonic transitions
2015/8/10
We show that a high-Q optical resonance can be created dynamically, by inducing a photonic transition between a localized state and a one-dimensional continuum through refractive index modulation. In ...
Photonic Band Structure of Dispersive Metamaterials Formulated as a Hermitian Eigenvalue Problem
Photonic Band Structure Dispersive Metamaterials Formulated Hermitian Eigenvalue Problem
2015/8/10
We formulate the photonic band structure calculation of any lossless dispersive photonic crystal and optical metamaterial as a Hermitian eigenvalue problem. We further show that the eigenmodes of such...
Mapping local optical densities of states in silicon photonic structures with nanoscale electron spectroscopy
Mapping local optical densities silicon photonic structures nanoscale electron spectroscopy
2015/8/10
Relativistic electrons in a structured medium generate radiative losses such as Cherenkov and transition radiation that act as a virtual light source, coupling to the photonic densities of states. The...
Birefringence Analysis of Photonic-Bandgap Fibers Using the Hexagonal Yee’s Cell
Birefringence Analysis Photonic-Bandgap Fibers Hexagonal Yee’s Cell
2015/8/10
Birefringence Analysis of Photonic-Bandgap Fibers Using the Hexagonal Yee’s Cell.
Integrated Nonmagnetic Optical Isolators Based on Photonic Transitions
Integrated optical isolator nonreciprocal optics photonic transition refractive index modulation
2015/8/10
Based on the effects of photonic transitions, here we show that a linear, broadband, and nonreciprocal isolator can be accomplished by spatial–temporal refractive index modulations that simultaneously...
Optimization of the splice loss between photonic-bandgap fibers and conventional single-mode fibers
Optimization splice loss between photonic-bandgap fibers conventional single-mode fibers
2015/8/10
To understand the loss limitations of a splice between a hollow-core fiber and a conventional fiber, we use a numerical model to calculate the expected coupling loss between the NKT Photonics’ HC-1550...
Tuning the coherent interaction in an on-chip photonic-crystal waveguide-resonator system
coherent interaction on-chip photonic-crystal waveguide-resonator system
2015/8/10
We experimentally demonstrated that the characteristics of the coherent interaction between two waveguide-coupled resonators can be drastically tuned by changing the propagation phase in the waveguide...
Sensitivity enhancement in photonic crystal slab biosensors
Photonic crystals Guided waves Biological sensing and sensors Optical diagnostics for medicine
2015/8/10
Refractive index sensitivity of guided resonances in photonic crystal slabs is analyzed. We show that modal properties of guided resonances strongly affect spectral sensitivity and quality factors, re...
Intensity measurement based temperature-independent strain sensor using a highly birefringent photonic crystal fiber loop mirror.
Highly birefringent photonic crystal fiber (HiBi-PCF) Fiber loop mirror (FLM) Strain senor Intensity measurement
2013/5/27
A fi ber-optic strain sensor is demons trated by using a short length of highly birefringent phot onic crystal fi ber (HiBi-PCF) as the sensing element inserted in a fi ber loop mirror (FLM). Due to t...
High Performance Photonic Integrated Circuits for Coherent Fiber Communication
Fiber optics communications Integrated optics devices
2015/6/10
Advanced modulation format transmitters and receivers used in optical coherent systems are highly complex, containing many interconnected elements. Photonic integration can reduce the footprint, cost,...
Characterization of structural irregularities in highly birefringent photonic crystal fiber based on polarization coupling by torsional acoustic wave
Form birefringence Fiber optics Photonic crystal fibers Acousto-optical devices
2015/6/10
We propose and demonstrate a novel method to characterize the variation of the birefringence induced by structural irregularities in highly birefringent photonic crystal fiber with high accuracy based...
Polarization-Insensitive Wavelength Multicasting of RZ-DPSK Signal Based on Four-Wave Mixing in a Photonic Crystal Fiber with Residual Birefringence
Networks multicast Phase modulation Nonlinear optics four-wave mixing Photonic crystal fibers
2015/6/10
We demonstrate polarization-insensitive wavelength multicasting of RZ-DPSK signal. The input signal is copied to four different wavelengths using four-wave mixing with unequally spaced pumps in a disp...
Simultaneous 3 × 10-Gbps Optical Data Transmission in 1-μm, C-, and L-wavebands Over a Single Holey Fiber for Ultrabroad-Waveband Photonic Transport System
Fiber optics communications Optical communications Microstructured fibers Semiconductor lasers
2015/6/10
Simultaneous 3 × 10-Gbps error-free photonic transmissions with clear eye-openings are demonstrated in the 1-μm, C-, and L-wavebands by using an ultrabroad-waveband photonic transport system comprisin...
Actively Doped Solid Core Photonic Bandgap Fiber
Fiber optics and optical communications Fiber optics amplifiers and oscillators Lasers and laser optics Lasers fiber Fiber optics and optical communications : Photonic crystal
2015/6/10
Solid photonic bandgap fibers offer distributed spectral filtering with extraordinarily high suppression. This opens new possibilities of artificially tailoring the gain spectrum of fibers. We present...