搜索结果: 1-13 共查到“光信息技术 Fibre”相关记录13条 . 查询时间(0.066 秒)
Performance Improvement by Fibre Nonlinearity Compensation in 112 Gb/s PM M-ary QAM
Coherent communications Nonlinear optics fibers
2011/5/26
We demonstrate that digital back-propagation offers up to six-fold enhancement in transmission reach when nonlinear fibre impairments are compensated in coherently-detected 112 Gb/s PM m-ary QAM, with...
Monolithic Electro-Optically Modulated VCSEL Suitable For Radio over Fibre Applications to 20 GHz
Fiber optics communications Modulators
2011/5/25
An integrated EOM VCSELs is shown to offer high linearity (92dB/Hz ⅔ at 6GHz) and by extrapolation ~90dB/Hz ⅔ up to 20GHz. Successful modulation with IEEE 802.11g signals is demonstrated...
First Demonstration of Bidirectional Gigabit Transmission over a Single Step-Index Plastic Optical Fibre
Fiber optics communications Optical Communications
2010/6/9
We demonstrated a Gigabit Ethernet bidirectional transmission over a single POF. The solution is attractive for very low cost consumer electronic short-distance cabling at high data rate requiring ext...
Challenges of 40/100 Gbps deployments in long-haul transport networks on existing fibre and system infrastructure
Optical communications Modulation
2010/6/5
High-bandwidth services require faster long-haul transport networks. Meanwhile operators are not ready to make evolve significantly their fibre infrastructure based on PMD-limited G.652 fibre while th...
Radio-over-Fibre Phase Contrast Imaging using a Reflective Electro-Absorption Transducer and 1550/1310nm VCSELs
Imaging systems Optical processing of radar images
2010/6/4
Radio-over-fibre phase contrast imaging is a new technique for object characterization in hostile environments. Commercially-available 1550nm/1310nm VCSELs and a reflective electro-absorption transduc...
Coherent Electronic Compensation Techniques for Long-Haul Optical Fibre Transmission–Opportunities and Challenges
Electronic Compensation Techniques Long-Haul Optical Fibre Transmission
2009/7/20
We review recent advances in the use coherent detection and digital signal processing to compensate for dispersion and nonlinearity in long-haul WDM links, and assess the use of these techniques for l...
Experimental 2.5 Gbit/s QPSK WDM Coherent Phase Modulated Radio- over-Fibre Link with Digital Demodulation by a K-means Algorithm
QPSK WDM Coherent Phase Modulated Radio- over-Fibre Link Digital Demodulation K-means Algorithm
2009/7/17
Highest reported bit rate of 2.5 Gbit/s for optically phase modulated radio-over-fibre link employing coherent detection is demonstrated. Demodulation of 3x2.5 Gbit/s QPSK modulated WDM channels, is a...
Improvement of tolerance to fibre non-linearity of incoherent multilevel signalling for WDM transmission with 10-Gbit/s OOK channels
non-linearity incoherent multilevel signalling WDM transmission 10-Gbit/s OOK channels
2009/7/16
Fibre nonlinear effect on incoherent multilevel signalling with co-propagating 10-G OOK channels is investigated by experiments and numerical simulations, and QAM signals with non-Euclidean decision b...
Real-time Gigabit Ethernet Transmission over up to 25 m Step-Index Polymer Optical Fibre using LEDs and FPGA-Based Signal Processing
Gigabit Ethernet Transmission Step-Index Polymer Optical Fibre LED FPGA-Based Signal Processing
2009/7/15
Real-time Gigabit Ethernet transmission over up to 25 m Step-Index Polymer Optical Fibre is demonstrated using a commercial LED. This is enabled by use of PAM-4 modulation and receiver equalisation in...
Single-Carrier vs. Dual-Carrier Transmission of 100Gb/s coherent PDM-QPSK over NZ-DSF Fibre
Single-Carrier Dual-Carrier Transmission coherent PDM-QPSK over NZ-DSF Fibre
2009/7/14
We experimentally compare 100Gb/s PDM-QPSK in single-carrier and dual-carrier configuration over 800km of NZ-DSF fibre. Using 40Gb/s P-DPSK and 10Gb/s OOK neighbours the lower tolerance to nonlinear e...
Transmission of 81 channels at 40Gbit/s over a Transpacific-Distance Erbium-only Link, using PDM-BPSK Modulation, Coherent Detection, and a new large effective area fibre
Transmissio channels Erbium-only Link PDM-BPSK Modulation
2008/8/6
Eighty-one channels spaced by 50GHz and modulated at 40Gbit/s are transmitted over 11520km, thanks to RZ PDM-BPSK modulation, coherent detection, and a new large effective area fibre.
PAM-4 Signalling for Gigabit Transmission over Standard Step-Index Plastic Optical Fibre using Light Emitting Diodes
Gigabit Transmission Standard Step-Index Plastic Optical Fibre Light Emitting Diodes
2008/8/3
We show hardware-in-the-loop experiments for 1.25 Gbit/s Transmission over SI-POF over up to 75m using LEDs with predistorted PAM4 signalling and fractionally-spaced equalisation.
Exploring capacity limits of fibre-optic communication systems
Exploring capacity limits fibre-optic communication systems
2008/7/30
The problem of evaluating the maximum rate of transmission of information, or capacity, of fibre-optic communication systems is discussed. We will describe a procedure we developed to derive a lower b...