搜索结果: 1-15 共查到“光电子技术 Efficiency”相关记录34条 . 查询时间(0.312 秒)
Researchers Boost Efficiency And Stability Of Optical Rectennas（图）
Researchers Efficiency And Stability Optical Rectennas
2018/2/1
The research team that announced the first optical rectenna in 2015 is now reporting a two-fold efficiency improvement in the devices — and a switch to air-stable diode materials. The improvements cou...
Prototype Shows How Tiny Photodetectors Can Double Their Efficiency（图）
Prototype Tiny Photodetectors Double Their Efficiency
2017/10/25
Physicists at the University of California, Riverside have developed a photodetector – a device that senses light – by combining two distinct inorganic materials and producing quantum mechanical proce...
200 Gb/s and Dual-Wavelength 400 Gb/s Transmission over Transpacific Distance at 6 b/s/Hz Spectral Efficiency
200 Gb/s Dual-Wavelength 400 Gb/s Transmission over Transpacific Distance 6 b/s/Hz Spectral Efficiency
2014/11/6
We transmit 106x200 Gb/s channels over 10,290 km at 6.0 b/s/Hz enabled by Nyquist spectral shaping and nonlinearity compensation. We also transmit 53x400 Gb/s channels over 9,200 km detecting two 200 ...
32-bit/s/Hz Spectral Efficiency WDM Transmission over 177-km Few-Mode Fiber
32-bit/s/Hz Spectral Efficiency WDM Transmission over 177-km Few-Mode Fiber
2014/11/6
We transmit 32 WDM channels over 12 spatial and polarization modes of 177 km few-mode fiber at a record spectral efficiency of 32 bit/s/Hz. The transmitted signals are strongly coupled and recovered u...
Comparison of working efficiency of terrestrial laser scanner in day and night conditions
ITU Civil Engineering Faculty Department of Geomatics Engineering 34469 Maslak Istanbul Turkey
2014/4/22
Terrestrial Laser Scanning is a popular and widely used technique to scan existing objects, document historical sites and items, and remodel them if and when needed. Their ability to collect thousands...
The Efficiency of a p-n Solar Diode as a Function of the Recombination Velocity within the Depletion Layer
Efficiency Diffusion Equation Recombination Velocity
2013/1/30
The role of the carrier’s recombination velocity Si within the depletion Layer of p-n junction solar cell and the external bias voltage Va across the junction in determining the current density “J” th...
Increased Organic Light-Emitting Diode Panel Light Efficiency by Optimizing Structure and Improving Alignment of Pyramidal Array Light-Enhancing Layers
organic light-emitting diode (OLED) array light-enhancing layer light efficiency alignment Moire?pattern
2011/11/24
A pyramidal array light-enhancing layer (pyramidal ALEL) on an organic light emitting diode (OLED) panel has been optimized to enhance the luminance efficiency with a gain factor of 2.03 experimentall...
Energy Efficiency in Optical IP Networks with Multi-Layer Switching
Networks Fiber optics communications
2015/5/26
We show that significant savings in energy consumption can be achieved in optical IP networks with multi-layer switching by using a coordinated combination of IP aggregation,electronic bypass and opti...
High Efficiency Optical Switches with Heater-on-Slab (HoS) Structures
Couplers Switches Multiplexers Waveguides Slab
2015/5/21
We propose optical switches in which the heater is fabricated directly on the slab region of the rib waveguide. Two types of Heater-on-Slab (HoS) switches were investigated. In the first type, the sil...
On the efficiency of RF-Pilot-based nonlinearity compensation for CO-OFDM
efficiency RF-Pilot-based nonlinearity compensation CO-OFDM
2015/5/21
We investigate the efficiency of RF-pilot based phase noise compensation for mitigation of nonlinear impairments in CO-OFDM transmission. We show that the efficiency scales with the effective dispersi...
300 Mbps Transmission with 4.6 bit/s/Hz Spectral Efficiency over 50 m PMMA POF Link Using RC-LED and Multi- Level Carrierless Amplitude Phase Modulation
300 Mbps Transmission 4.6 bit/s/Hz Spectral Efficiency PMMA POF Link Multi- Level Carrierless Amplitude Phase Modulation
2015/5/18
Successful transmission of up to 300 Mbps over a 50 m long POF link using a commercially available Fast Ethernet capable RC-LED is presented. Carrierless Amplitude Phase modulation was used with 16- a...
High Capacity 1 Tbps (20 Gbps/ch x 24 ch x 2 layers) Multilayer Optical Printed Circuit Board with High Optical Coupling Efficiency and Low-power Transmitter Module
Printed Circuit Board oupling Efficiency Low-power Transmitter Module
2015/5/15
We developed a high-speed (20 Gbps/channel) and large-capacity (1 Tbps/board) optical printed circuit board with a proposed two-lens optical coupling structure and a low-power (7.1 mW/Gbps) optical mo...
XPM-Induced Spectral Distortion in High Efficiency,Picosecond,Fiber Optical Parametric Oscillators
XPM-Induced Spectral Distortion High Efficiency Fiber Optical Parametric Oscillators
2015/5/15
We describe a 230nm tunable fiber optical parametric oscillator (FOPO) using an 8ps pump laser. The FOPO generates 2-4ps pulses with conversion efficiency as high as 20%. The output spectrum exhibits ...
Energy consumption of electronic burst switching is modeled and compared to electronic packet switching in the network core and edge. It is shown that burst switching can provide significant energy sa...
On the Energy Efficiency of Mixed-Line-Rate Networks
Energy Efficiency Mixed-Line-Rate Networks
2015/6/11
We present an approach to evaluate energy efficiency of mixed-line-rate (MLR)optical networks. A comparative study of energy efficiency of MLR and single-line-rate (SLR)networks shows that MLR is more...