搜索结果: 151-165 共查到“光电子技术 Optical”相关记录499条 . 查询时间(0.125 秒)
7×10-Gbit/s All-optical Wavelength Multicast based on Cross-gain Modulation and Cascaded Four-wave Mixing Effects in an SOA Using Single Pump Laser Source
All-optical Wavelength Cross-gain Modulation Cascaded Four-wave Mixing
2015/5/15
By combining XGM, and cascaded FWM effects in an SOA, seven multicast channels with 100-GHz spacing are demonstrated using single pump laser source. The power penalty of these multicast channels is le...
Wavelength-Tunable Optical Parametric Regeneration for 10.75-Gbit/s and 43-Gbit/s RZ Signals
Wavelength-Tunable Optical Parametric 0.75-Gbit/s 43-Gbit/s RZ Signals
2015/5/15
We experimentally show that our proposed wavelength-tunable optical parametric regenerator can operate for both 10.75-Gbit/s and 43-Gbit/s RZ-OOK signals using a common highly nonlinear fiber. The tun...
Highly Sensitive Optical Line Checker with a Leaking Component Embedded on an Optical Fiber Cord
Optical Fiber Cord Leaking Component Highly Sensitive
2015/5/15
We have developed a practical optical line checker to judge whether fiber line is live or dark without any transmission failure, achieving detectable optical signal lower limit of -40 dBm in a wide wa...
Demonstration of World-First 103 Gbit/s Transmission over 40 km Single Mode Fiber by 1310 nm LAN-WDM Optical Transceiver for 100GbE
103 Gbit/s Transmission 40 km Single Mode Fiber LAN-WDM Optical Transceiver
2015/5/15
4 ch x 25.8 Gbit/s WDM transmission over 40 km single mode fiber was demonstrated. Minimum receiver sensitivity each lane after 40 km transmission was less than –26.0 dBm, proving the transceiver will...
Optical transmitter with 1060 nm VCSEL for low power interconnect
1060 nm VCSEL low power Optical transmitter
2015/5/15
An optical transmitter composed of a 90-nm CMOS driver and a high efficiency 1060nm VCSEL is characterized. The 10Gb Ethernet eye mask specification is met with a +33% margin with 1.7 mW/Gbps power co...
1-Tb/s Large Girth LDPC-Coded Coherent Optical OFDM Transmission over 1040-km Standard Single-Mode Fiber
Large Girth LDPC-Coded Coherent Optical OFDM Standard Single-Mode Fiber
2015/5/15
We experimentally demonstrate 1-Tb/s CO-OFDM transmission over 1040-km standard single-mode fiber using 50% overhead girth-12 LDPC-coded 16-QAM. More than 4-dB improvement in OSNR sensitivity is achie...
Cascade Laser Power Converter for Simultaneous 10 Gbps Data Detection and Efficient Optical-to-Electrical DC Power Generation
Power Converter Laser Gbps Data Detection Efficient Optical Electrical DC Power Generation
2015/5/15
We demonstrate a novel device; cascade high-speed laser power converter. Error-free 10 Gbit/sec data detection and 21.1% optical-to-electrical DC power generation efficiency can be achieved simultaneo...
Integration of photodetectors with lasers for optical interconnects using 200 mm waferscale III-V/SOI technology
photodetectors lasers III-V/SOI technology
2015/5/15
We demonstrate efficient photodetectors on top of a laser epitaxial structure completely fabricated using 200 mm wafer scale III-V/SOI technology enabling very dense integration of lasers and detector...
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...
Wavelength Conversion by Cascaded FWM in a Fiber Optical Parametric Oscillator
FWM Fiber Optical Parametric Oscillator Wavelength Conversion
2015/5/15
We report on a continuous-wave fiber optical parametric oscillator utilizing selective filtering on cascade four wave mixing (CFWM). Oscillations of distinct CFWM
terms are obtained, extending wavele...
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 ...
Heating and burning of optical fiber by light scattered from bubble train formed by optical fiber fuse
optical fiber bubble train light scattered Heating and burning
2015/5/14
We investigate in detail for the first time the scattering properties and heating characteristics in an optical fiber when a bubble train forms in the middle of the fiber as a result of the fiber fuse...
Investigation of the Optical Properties of CdBr2
Optical Properties, CdBr2, WIEN2k, FP-LAPW, DFT, GGA
2013/1/30
The optical properties of CdBr2 were studied by first principle using the density functional theory. The dielectric functions and optical constants are calculated using the full potential-linearized a...
Intensity-Modulated Optical Fiber Sensors Based on Chirped-Fiber Bragg Gratings
Optical fiber sensors fiber Bragg gratings intensity-modulated sensors
2013/5/27
Intensity-modulated fiber Bragg grating (FBG) sensors, compared with normal wavelength-encoding FBG sensors, can reduce the cost of sensor system significantly by using cost-efficient optical power...
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...