搜索结果: 1-15 共查到“光纤光学及技术 Photonic Bandgap”相关记录17条 . 查询时间(0.031 秒)
First Demonstration of a Broadband 37-cell Hollow Core Photonic Bandgap Fiber and Its Application to High Capacity Mode Division Multiplexing
a Broadband 37-cell Hollow Core Photonic Bandgap Fiber Application to High Capacity Mode Division Multiplexing
2014/11/6
We report fabrication of the first low-loss, broadband 37-cell photonic bandgap fiber.Exploiting absence of surface modes and low cross-talk in the fiber we demonstrate mode division multiplexing over...
Experimental Assessment of the Accuracy of an Advanced Photonic-Bandgap-Fiber Model
Accuracy Advanced Photonic-Bandgap-Fiber Model
2015/8/7
From scanning-electron microscope images of the cross section of a photonic-bandgap fiber (NKT Photonics’HC-1550-02) we developed a realistic model for its permittivity profile that includ...
All-Silica Photonic Bandgap Fiber Oscillators and Amplifiers
Fiber design and fabrication Fiber characterization
2015/5/22
We report on oscillators and amplifiers based on all-silica singlemode, large mode area photonic bandgap fibers elaborated by the modified chemical vapour deposition process.
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.
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...
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...
A Broadband Ultra-low Loss All-solid Photonic Bandgap Fiber
Fiber design fabrication Photonic crystal fiber
2015/6/10
We describe the fabrication and characteristic of an all-solid photonic bandgap fiber with loss as low as 0.41dB/km at 1550nm within the first-order bandgap. The control of bandgaps,dispersion and ben...
Electrically Tunable Bandpass Filter Based on Liquid Crystal Photonic Bandgap Fibers
Photonic crystal fibers Liquid-crystal devices
2015/6/4
An electrically tunable bandpass filter based on two photonic crystal fibers filled with different liquid crystals is demonstrated. Both the short-wavelength and long-wavelength edge are tuned individ...
Highly-Birefringent Tunable Long-Period Fiber Gratings in Hollow-Core Photonic Bandgap Fiber by Use of Mechanical Pressure
Gratings Fiber optics Photonic crystal fibers
2015/6/4
The mode coupling properties of highly-birefringent tuneable LPGs formed in HC-PBGF are presented. The mode coupling from the fundamental core mode to higher-order guided mode of a HC-PBGF is obtained...
Classification of the Core Modes of Hollow-Core Photonic-Bandgap Fibers
Finite difference methods optical fi bers optical fi ber communication
2015/8/10
Using a new full-vectorial finite-difference mode solver utilizing a hexagonal Yee’s cell, we calculated the dispersion diagram of a slightly multimode (16 modes) air-core photonic-bandgap ʂ...
First Demonstration of Photonic Bandgap Guidance in Hollow-core Photonic Bandgap Fibres with Square Lattice Cladding
Photonic Bandgap Guidance Hollow-core Photonic Bandgap Fibres Square Lattice Cladding
2015/7/20
Square lattice with much higher node-to-strut ratio is promising for significantly extending bandgaps in hollow-core fibres. First such fibres are achieved here. Minimum loss of 67dB/km is demonstrate...
Compact Electrically Controlled Broadband Liquid Crystal Photonic Bandgap Fiber Polarizer
Compact Electrically Controlled Broadband Liquid Crystal Photonic Bandgap Fiber Polarizer
2015/7/16
An electrically controlled liquid crystal photonic-bandgap fiber polarizer is experimentally demonstrated.A maximum 21.3dB electrically tunable polarization extinction ratio is achieved with 45° rotat...
Ultra-Low Loss All-Solid Photonic Bandgap Fibre
Ultra-Low Loss All-Solid Photonic Bandgap Fibre
2015/7/14
We fabricate and characterize an all-solid photonic bandgap fibre with ultra-low transmission loss of 0.65dB/km within the firs-order bandgap band of 1500~1600nm. The bending characteristic of the fib...
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.
Photonic bandgap fibres have a cladding that is carefully structured to reject light of certain frequencies and propagation constants. The light is therefore confined to a core that can even be made o...