搜索结果: 1-15 共查到“工学 Phase modulation”相关记录23条 . 查询时间(0.273 秒)
As CMOS 160Mb/s Phase Modulation I/O Interface Circuit
CMOS Phase Modulation I/O Interface Circuit
2015/8/14
As CMOS 160Mb/s Phase Modulation I/O Interface Circuit.
Self-phase modulation of a single-cycle terahertz pulse by nonlinear free-carrier response in a semiconductor
Self-phase modulation single-cycle terahertz pulse nonlinear free-carrier response semiconductor
2012/2/24
We demonstrate the self-phase modulation (SPM) of a single-cycle THz pulse in a semiconductor, using bulk n-GaAs as a model system. The SPM arises from the heating of free electrons in the electric fi...
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...
Cooperative diversity with continuous phase modulation
Continuous phase modulation cooperative diversity
2011/3/22
In recent years, there has been a vast amount of research on cooperative diversity due to its potential capacity increase. Almost all of the research has been based on linear modulation formats such 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...
Sigma-Delta Voltage to Frequency Converter With Phase Modulation Possibility
Sigma-Delta Voltage Frequency Converter Phase Modulation Possibility
2009/7/28
Voltage to frequency converter (VFC) is an oscillator whose frequency is linearly proportional to control voltage. There are two common VFC architectures: the current steering multivibrator and the ch...
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.