搜索结果: 136-150 共查到“光学工程 optical”相关记录1196条 . 查询时间(0.317 秒)
ZnSe / ZnS Quantum-Dot Semiconductor Optical Amplifiers
Linear Absorption Coefficient Linear Emission Coefficient Rate Equations (Res) Noise Figure
2013/1/30
ZnSe quantum dot (QD) semiconductor optical amplifier (SOA) is studied theoretically using net gain for linear Absorption coefficient and linear emission and these results are used to calculate noise ...
Hybrid Integration of Semiconductor Optical Amplifier and Silica-based Planar Lightwave Circuit for Low Polarization Dependent Gain
Integrated optics devices Waveguides planar
2015/5/26
We demonstrated a semiconductor optical amplifier hybrid-integrated with a silica-based planar lightwave circuits. With deploying polarization diversity circuit, polarization dependent gain was reduce...
New Ground-to-Train High-Speed Free-Space Optical Communication System with Fast Handover Mechanism
Free-space optical communication Scanners
2015/5/26
We developed a new ground-to-train free-space optical communication system that performs stable high-speed communication even when a train is running at high speed and does fast handover between laser...
Frequency-Domain Equalization for Coherent Optical Transmission Systems
Coherent communications Fiber optics links subsystems
2015/5/26
Frequency-domain equalization (FDE) has been attracting much attention for high-speed long-haul transmission over fiber-optic channels. Two FDE configurations for coherent optical transmission are pre...
Novel Flexible-Format Optical Modulator with Selectable Combinations of Carrier Numbers and Modulation Levels Based on Silica-PLC and LiNbO 3 Hybrid Integration
Electro-optical Devices Waveguide Modulators Integrated optics devices
2015/5/26
We devised a novel flexible-format optical modulator that can optically select optimum sets of carrier numbers and modulation levels according to transmission conditions. The modulator with PLC-LN hyb...
Multilevel Optical Modulator with PLC and LiNbO 3 Hybrid Integrated Circuit
Electro-optical devices Waveguide modulators
2015/5/26
Optical modulators with a hybrid configuration of silica-PLCs and LiNbO 3 phase modulators are promising for advanced multilevel modulation formats. Modulators for OFDM-QPSK, 64QAM, and a selectable f...
Performance of Optical Fast-OFDM in MMF-Based Links
Fiber optics communications Modulation
2015/5/26
19.375Gb/s optical Fast-OFDM signals can be transmitted over 500m worst-case MMF DML-based links having 3-dB effective bandwidths of 150MHz.km. This performance is similar to that corresponding to a c...
Feasibility Study on Topology Malleable Data Center Networks (DCN) Using Optical Switching Technologies
Networks network topology Switching circuit
2015/5/26
We recently presented a highly advantageous DCN architecture that supports on-demand, run-time topology malleability using WDM and optical space/wavelength switching technologies. We further investiga...
Distributed MIMO Antenna Architecture for Wireless-over-Fiber Backhaul with Multicarrier Optical Phase Modulation
Coherent communications Phase modulation Radio frequency photonics
2015/5/26
A novel optical phase-modulated wireless-over-fiber backhaul architecture for next generation cellular network is presented and experimentally demonstrated for high capacity wireless multicarrier upli...
20-Gb/s Error-Free Wireless Transmission Using Ultra-Wideband Photonic Transmitter-Mixer Excited with Remote Distributed Optical Pulse Train
Photodiodes Radio frequency photonics
2015/5/26
Photonic transmitter-mixers with ultra-wide O-E/modulation bandwidths excited by remote-distributed pulse trains for 20Gbps error-free wireless transmission is presented. The S/N ratios and output pow...
A Novel Scheme for Seamless Integration of ROF System with OFDM-CPM WDM Passive Optical Network
Networks Fiber optics communications
2015/5/26
A novel scheme to generate, transmit and receive an optical OFDM-CPM signal in the architecture for seamless integration of ROF system with 4 × 2.5Gb/s WDM-PON is proposed and experimentally validated...
Low loss microstructured Polymer Optical Fibre (mPOF)
Low loss microstructured Polymer Optical Fibre mPOF
2015/5/26
Using a high tension draw we produced a fibre with a loss of 0.16 dB/m at 650nm,making mPOF competitive for the first time with conventional POF. Annealing increases thermal stability.
Energy-efficient Flow Aggregation for IPTV Program Delivery in Optical Backbone Networks with Multiple Line Rates
Networks multicast network optimization
2015/5/26
Considering energy efficiency for IPTV program delivery in optical backbone networks with multiple available line rates, we propose energy-efficient flow aggregation to guarantee that the total energy...
Optical Interconnects in Future Servers
Optical interconnects Integrated Optics Devices Optical communications.
2015/5/26
Optical interconnects are common in today’s petascale supercomputers, and will become pervasive at the exascale during this decade. Technologies that can meet the challenging technological and economi...
Scalable Control Plane architecture for Optical Flow Switched Networks
Optical networks network management control
2015/5/26
In OFS, users employ an off-band signaling protocol to request lightpaths for their large unscheduled bursty transactions, and the network dynamically schedules a dedicated, end-to-end lightpath for t...