搜索结果: 1-13 共查到“光学工程 Modulation Formats”相关记录13条 . 查询时间(0.046 秒)
Beyond 2.5Gb/s Photonic Generation and Wireless Transmission of Different Pulse Modulation Formats for a High Speed Impulse Radio UWB over Fiber System
Fiber optics communications Radio frequency photonics
2015/5/22
We experimentally demonstrate beyond 2.5Gbps photonic generation of different pulse modulation formats for impulse radio ultra-wideband (IR-UWB) over fiber application. IR-UWB transmission over 20km f...
Reconfigurable Digital Coherent Receiver for Metro-Access Networks Supporting Mixed Modulation Formats and Bit-rates
Reconfigurable Digital Receiver Metro-Access Networks Supporting Mixed Modulation Formats Bit-rates
2015/5/20
Single reconfigurable DSP coherent receiver is experimentally demonstrated for mixed-format and bit-rates including QPSK, OFDM, IR-UWB for wireline and wireless signal types. Successful transmission o...
Optical Packet Ring Network Offering Bit Rate and Modulation Formats Transparency
All-optical networks Switching packet
2015/6/10
We demonstrate the feasibility of a bit rate transparent ring packet network based on a Packet-OADM technology. A lab network has been successfully evaluated at 10, 40 and 100G.
Investigation of Spectral Efficient Modulation Formats for 400Gbit/s/port Optical Packet Switched System
Switching Packet Optical communications
2015/6/8
We investigate the performance of NRZ-OOK, NRZ-DPSK, NRZ-DQPSK, NRZ-8PSK and NRZ-16-QAM modulation and their influence to an optical packet switched systems (OPS) performance.The aim was to demonstrat...
Optimization of Cost Efficient Multilevel-ASK Modulation Formats under the Constraint of Chromatic Dispersion
Modulation Fiber optics communications
2015/6/5
Due to their narrow spectrum, multilevel modulation ASK-formats can increase the chromatic dispersion tolerance of optical systems. Since they suffer more from inter-symbol interference than binary si...
Advanced Coherent Modulation Formats and Algorithms: Higher-Order Multi-Level Coding for High-Capacity System Based on 100Gbps Channel
Coherent communications Fiber optics communications
2015/6/5
We review recent technology advances in high-capacity 100Gbps system using polarization-division-multiplexed (PDM) eight-level coding (8PSK and 8QAM) and DSP-based intradyne detection.Research activit...
100GbE Optical Transport, Appropriate Modulation Formats, and Impact on Deployed Transport Networks
100GbE Optical Transport Appropriate Modulation Formats Impact Deployed Transport Networks
2015/6/5
We review the system requirements for 100GbE optical transport and compare possible technical solutions. Our experience, derived from modeling, laboratory experiments and field trials on deployed tran...
Modeling of Signal-Noise Interactions in Nonlinear Fiber Transmission with Different Modulation Formats
Modeling Signal-Noise Interactions Nonlinear Fiber Transmission
2015/7/20
We describe the physical principles behind nonlinear signal-noise interaction and its impact on dispersion-managed optical transmission system performance for both intensity and phase modulated signal...
Experimental Characterisation of the Impact of Neighbouring Modulation- Formats on 43Gb/s P-DPSK over SSMF and LEAF
Neighbouring Modulation- Formats SSMF LEAF
2015/7/17
We report an experimental characterisation examining the impact of differing 50GHz neighbouring modulation formats and bit rates on the performance of 43Gb/s P-DPSK over 1300km of SSMF and LEAF TM fib...
Modulation Formats for Ultra Long-Haul Undersea Transmission
Modulation Formats Ultra Long-Haul Undersea Transmission
2015/7/16
This paper reviews recent technology advances in modulation formats including RZ-DQPSK, PDM RZ-DPSK, and offset PDM RZ-DPSK for 40G undersea transmission. Research activities on 100G long-haul transmi...
Scalable Optical Packet Switch for Optical Packets with Multiple Modulation Formats and Data Rates
Scalable Optical Packet Switch Optical Packets Multiple Modulation Formats Data Rates
2015/7/16
We present a scalable, low latency optical packet switch for optical packets with multiple modulation formats. Results show error-free operation of 1x8 optical packet switch for 160Gb/s RZ-OOK, 320Gb/...
Improved EDC Performance for Different Duobinary Modulation Formats with Optical Filtering
EDC Performance Different Duobinary Modulation Formats Optical Filtering
2015/8/4
Nonlinear EDC including nonlinear Volterra based equalizer and MLSE are investigated and compared for different duobinary formats with optical filtering at 43Gb/s data rate.
Symbol Rate Dependency of XPM-induced Phase Noise Penalty on QPSK-based Modulation Formats
Symbol Rate Dependency XPM-induced Phase QPSK-based Modulation
2015/7/31
Systematic investigation of XPM impact on QPSK signals reveals that higher symbol rates are advantageous for reducing both intra-span generation and multi-span accumulation of phase noise.