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Real Time Monitoring of Fluorescent Particles in Micro-Channels by High Resolution Dual Modality Probe Imaging
Microscopy Image Fiber Spectrophotometer Microchannel
2013/1/30
Imaging of micro particles in micro-fluidic channels is one of the recent thrust areas in research as it provides more flexibility in setup and analysis compared to conventional microscopy. However, a...
Interplay between PMD and Nonlinearity in 112 Gb/s DP-QPSK Transmission with Co-propagating 10.7 Gb/s NRZ Channels
Fiber optics communications Coherent communications
2015/5/26
We experimentally demonstrate interplay between PMD and nonlinearity in 112 Gb/s DP-QPSK signal transmission with 10.7 Gb/s NRZ neighbors can have both positive and negative impact depending on channe...
Propagation Characteristics of Seven-core Fiber for Spatial and Wavelength Division Multiplexed 10-Gbit/s Channels
Fiber measurements Fiber optics communications
2015/5/26
Propagation characteristics of seven-core fiber were investigated for multiplexed signals of spatial-division and wavelength-division. Effect of chromatic dispersion and inter-core crosstalk were eval...
Spectrum Efficient Super-Channels in Dynamic Flexible Grid Networks – A Blocking Analysis
Networks assignment routing algorithms
2015/5/25
We analyze the blocking performance of spectrum efficient super-channels in dynamic flexible grid networks. Results demonstrate that increased spectral efficiency and flexible super-channel assignment...
Field Trial of In-Service PMD Measurement Using Idle DWDM Channels in Operational Long Haul Network
Long Haul Network DWDM Channels PMD Measurement
2015/5/18
In-service PMD measurement using idle channels in an operational DWDM long-haul network is realized with two novel measurement approaches during a field trial. Accurate PMD results are obtained withou...
Experimental Demonstration of Data Traffic Grooming of a Single 10-Gbit/s TDM Tributary Channel between Two 160-Gbit/s WDM Channels
Optical communications Nonlinear optics parametric process
2015/6/10
We demonstrate tributary channel data grooming of high-speed signals using second-order nonlinearities in a PPLN waveguide. 16 TDM tributary channel data traffic grooming/exchange between two 160-Gbit...
Compensating XPM for 100 Gbit/s coherent channels with 10 Gbit/s direct-detection NRZ neighbors
Fiber optics communications Modulation
2015/6/9
We propose a simple optoelectronic method to compensate for cross-phase modulation in long-haul systems. Simulations show >1.3 dB improvement in Q for 1200-km 40 and 100-Gbit/s CO-QPSK and CO-OFDM cha...
Long-haul coherent QPSK transmission of 40G channels with 120% spectral efficiency using increased linearity dispersion map with 100km spans and EDFAs
fiber optics communications Coherent communications
2015/6/9
We study transmission of 40 Gb/s signals using coherent RZ-QPSK with and without polarization multiplexing using 100km large effective area fiber-spans and dual-stage EDFAs with mid-stage dispersion c...
Demonstration of 8-channels Simultaneous Multiplexing Using 8-chip Electrical Codes for 10 Gbit/s ECDM-PON
Fiber optics communications Multiplexing
2015/6/9
First time 8-channels electrically code division multiplexing technique for optical access networks is demonstrated at a chip-rate of 10 Gchip/s. The technique enables error-free transmission of 1.25 ...
Experimental Demonstration of All-Optical Polarization Multiplexing and Polarization Demultiplexing between Two 50-Gbit/s Channels and a Single 100-Gbit/s Channel
Fiber Optics Communications Nonlinear Optics Four-Wave Mixing
2015/6/9
We demonstrate all optical multiplexing and demultiplexing between two WDM 50-Gbit/s channels and a single Polarization Multiplexed 100-Gbit/s. Both On-Off-Keying and Differential Phase-Shift-Keying f...
24 channels colorless WDM-PON with L-band 10 Gb/s downstream and C-band 2.5 Gb/s upstream using multiple- wavelengths seeding sources based on mode-locked lasers
Fiber optics optical communications Optoelectronics Networks
2015/6/8
A novel WDM-PON delivering 10-Gb/s downstream based on L-band loss-less reflective-amplified-modulator and 2.5-Gb/s upstream based on C-band injection-locked Fabry-Perot laser is experimentally demons...
Real-time Detection of a 40 Gbps Intradyne Channel in the Presence of Multiple Received WDM Channels
Fiber optics communications Networks Coherent communications
2015/6/5
We characterize a single-ended intradyne receiver’s performance when multiple channels are received without optical demultiplexing. A 40Gb/s dual-polarization QPSK channel is recovered from 16 interfe...
Digital Modulation Challenges for High-capacity Optical Transport Network with 100Gbps Channels and Beyond
Digital Modulation Challenges High-capacity Optical Transport Network Channels
2015/7/20
Digital signal processing technologies have great advantages for realizing the high-capacity Optical Transport Network based on over 100 Gbps channels. Novel no-guard-interval OFDM with frequency doma...
Optical Performance Monitoring of PSK Data Channels Using Artificial Neural Networks Trained with Parameters Derived from Delay-Tap Asynchronous Diagrams via Balanced Detection
Optical Performance Monitoring PSK Data Channels Artificial Neural Networks Trained Parameters Derive
2015/7/17
We demonstrate a technique of using artificial neural networks for optical performance monitoring of PSK data signals. Parameters for training are derived from delay-tap asynchronous diagrams using ba...
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
2015/7/16
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...