搜索结果: 1-15 共查到“光学工程 Phase modulation”相关记录19条 . 查询时间(0.05 秒)
This letter proposes and experimentally demonstrates a cost-effective phase-modulation duobinary modulation scheme for improving self-phase modulation tolerance using a single modulator. Successful tr...
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...
Robust BPSK Impulse Radio UWB-over-Fiber Systems Using Optical Phase Modulation
Coherent communications Radio frequency photonics
2015/5/22
The impact of fiber dispersion on the performance of optical phase modulated impulse-radio-ultrawideband (IR-UWB) signals is experimentally investigated. 2Gbps BPSK IR-UWB over 78km fiber transmission...
40 Gb/s Carrierless Amplitude and Phase Modulation for Low-Cost Optical Datacommunication Links
Fiber optics communications Modulation
2015/5/22
4 bps/Hz 40 Gb/s carrierless amplitude and phase (CAP) modulation is investigated for next-generation datacommunication links. The 40 Gb/s link achieves double the length of a conventional NRZ scheme,...
Time-Stretch Analog-to-Digital Conversion Using Phase Modulation and Broadband Balanced Coherent Detection for Improving Resolution
Fiber optics links subsystems Radio frequency photonics
2015/5/22
We introduce a novel implementation of time-stretch analog-to-digital conversion which uses phase modulation and balanced coherent detection for improving resolution. Proof of concept experiment demon...
Polarization Insensitive Cross-Phase Modulation in 10.5-m Highly Ge-Doped Nonlinear Fiber
Nonlinear optics fibers Fibers polarization-maintaining Highly Ge- doped nonlinear fiber
2015/5/22
We demonstrate for the first time polarization-insensitive cross-phase modulation in a 10.5-m highly-Germanium-doped (75%) nonlinear-fiber. Its high compatibility with standard single mode fiber allow...
All-Optical THz-band Frequency Multiplexing on A Single Optical Carrier Using Fiber Cross-Phase Modulation
Optical THz-band Frequency Multiplexing Single Optical Carrier Fiber Cross-Phase Modulation
2015/5/21
We developed an ultra-broadband all-optical frequency multiplexing technique on asingle optical carrier using cross-phase modulation in nonlinear fibers, and demonstrated sequentially multiplex of mul...
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...
Continuous Phase Modulation as an Alternative to QPSK for 100 Gb/s Optical Links
Fiber optics communications Coherent communications
2015/6/5
Constant envelope formats including CPM may reduce the impact of nonlinear impairments arising from intensity variations and the associated nonlinear phase noise. We quantify the advantages of CPM ver...
Quantum Blackbox Model for Electro-Optical Phase Modulation
Phase Modulation Quantum optics
2015/6/4
We present, for the first time, a blackbox model characterizing the quantum optical phase modulation operation in terms of a unitary scattering operator which excludes the unphysical negative frequenc...
All-Optical Logic Gates (XOR, AND, and OR) Based on Cross Phase Modulation in a Highly Nonlinear Fiber
All-Optical Logic Gates XOR AND Cross Phase Modulation Highly Nonlinear Fiber
2015/7/15
We report an all-optical multi-logic gate based on cross-phase modulation in a highly nonlinear fiber and demonstrate XOR, AND, and OR operations at 10 Gb/s.
All-Optical 3R Regeneration at 40 Gb/s in a Recirculating Loop Utilizing Raman Amplification, Nonlinear Phase Modulation, and Offset Filtering
All-Optical 3R Regeneration Recirculating Loop Utilizing Raman Amplification Nonlinear Phase Modulation Offset Filtering
2015/7/15
The performance of an all-optical 3R regenerator for 40 Gb/s RZ-OOK signals is investigated experimentally using a recirculating loop. A power penalty of 1.2 dB is obtained for 100 loops (8,000 km).
All-optical frequency down-conversion based on cross-phase modulation in high nonlinearity dispersion-shifted fiber for WDM radio over fiber application
all-optical frequency down-conversion radio over fiber (ROF)
2011/5/6
Simultaneous all-optical frequency down-conversion technique based on cross-phase modulation in a high nonlinearity dispersion-shifted fiber is proposed and verified by simulation, and its application...
160 Gbit/s OTDM Transmission over 26 km PCF with Demultiplexing Technique Employing Phase Modulation-Based Pump Pulse Generation
OTDM Transmission PCF Demultiplexing Technique Pump Pulse
2015/8/4
160 Gbit/s OTDM signal was successfully transmitted over 26-km long PCF. The transmitted signal was demultiplexed with fibre FWM employing newly adopted phase modulation-based pump pulse source.
Utilisation of a self-phase-modulation-based compressor to overcome Brillouin backscattering and intrachannel four-wave mixing in a 2R regenerator at 42.6 Gbit/s
compressor overcome Brillouin backscattering intrachannel four-wave 2R regenerator
2015/8/4
We report the efficient use of a SPM-based compressor to avoid Brillouin backscattering and intrachannel four-wave mixing in a SPM-based regenerator at 42.6 Gbit/s.