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High Capacity Field Trials of 40.5 Tb/s for LH Distance of 1,822 km and 54.2 Tb/s for Regional Distance of 634 km
High Capacity Field Trials 40.5 Tbs for LH Distance of 1,822 km 54.2 Tbs for Regional Distance 634 km
2014/11/6
40.5 Tb/s over 1,822km and 54.2 Tb/s over 634km field SSMF was realized using 41 Nyquist rate DP-8QAM and DP-16QAM superchannels. They are the highest field capacities for long-haul and regional dista...
First Demonstration of a Broadband 37-cell Hollow Core Photonic Bandgap Fiber and Its Application to High Capacity Mode Division Multiplexing
a Broadband 37-cell Hollow Core Photonic Bandgap Fiber Application to High Capacity Mode Division Multiplexing
2014/11/6
We report fabrication of the first low-loss, broadband 37-cell photonic bandgap fiber.Exploiting absence of surface modes and low cross-talk in the fiber we demonstrate mode division multiplexing over...
In this paper, we present a reliable architecture for high-capacity fiber-radio system and demonstrate its feasibility. The main trunk of the proposed architecture is a star network with branches comp...
Monolithic 100 Gb/s Twin-IQ Mach-Zehnder Modulators for Advanced Hybrid High-Capacity Transmitter Boards
Monolithic 100 Gb/s Twin-IQ Mach-Zehnder Modulators Advanced Hybrid High-Capacity Transmitter Boards
2011/5/20
Development and characterization of monolithic, flip-chip compatible 2x50 Gb/s twin-IQ DQPSK MZ modulator chips - capable for hybrid assembly onto planar optical boards of advanced Tbit-capacity trans...
High Capacity (64 x 43 Gb/s) Unrepeatered Transmission over 440 km
High Capacity Unrepeatered Transmission
2011/5/20
We describe a 64 x 43 Gb/s unrepeatered transmission experiment over 440 km of ultra-low loss fiber with third-order Raman pumping. We then compare coherent transmission at\ 40 Gb/s and 100 Gb/s in un...
Power Consumption and Scalability of Optically Switched Interconnects for High-Capacity Network Elements
Power Consumption Scalability Optically High-Capacity Network Element
2011/5/18
Three realizations of optically switched interconnects were analyzed regarding power consumption and scalability and compared with electronic backplane and optical point-to-point options. The results ...
High Capacity 1 Tbps (20 Gbps/ch x 24 ch x 2 layers) Multilayer Optical Printed Circuit Board with High Optical Coupling Efficiency and Low-power Transmitter Module
Printed Circuit Board oupling Efficiency Low-power Transmitter Module
2011/5/15
We developed a high-speed (20 Gbps/channel) and large-capacity (1 Tbps/board) optical printed circuit board with a proposed two-lens optical coupling structure and a low-power (7.1 mW/Gbps) optical mo...
Advanced Coherent Modulation Formats and Algorithms: Higher-Order Multi-Level Coding for High-Capacity System Based on 100Gbps Channel
Coherent communications Fiber optics communications
2010/6/5
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...
Low-cost and High-capacity Short-range Optical Interconnects using Graded-Index Plastic Optical Fiber
Fiber optics communications Polymers
2010/6/4
We demonstrate a transmission rate of 51.8 Gb/s over 100-meters of perfluorinated multimode graded-index plastic optical fiber using discrete multitone modulation. The results prove suitability of pla...
A High Capacity and Long Reach DWDM-PON Using Triple-Contact F-P LDs
Optical communications Networks
2010/6/4
We propose a color-free DWDM-PON at 50 GHz channel spacing by using the triple contact F-P LD. The transmission length of 30 km and 90 km are demonstrated with and without FEC at 1.25 Gb/s-per-channel...
Digital Modulation Challenges for High-capacity Optical Transport Network with 100Gbps Channels and Beyond
Digital Modulation Challenges High-capacity Optical Transport Network Channels
2009/7/20
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...
New RSOA Devices for Extended Reach and High Capacity Hybrid TDM/WDM -PON Networks
RSOA Devices High Capacity Hybrid TDM/WDM -PON Networks
2009/7/20
We demonstrate that the use of a high gain reflective semiconductor optical amplifier as remote modulator enables 36 dB optical budget for colourless operation at 2.5 Gbit/s over 45 km single mode fib...
Novel Design of Very Long, High Capacity Unrepeatered Raman Links
Novel Design High Capacity Unrepeatered Raman Links
2009/7/16
An L-band Raman link concept is analyzed numerically and validated experimentally by transmission of link designs in a number of methods: fiber. The individual pumps were optimized 10×43 Gb/s DPSK ch...
Terabit-on-Chip:Enabling Ultra-high Capacity Photonic Networks
Terabit-on-Chip Enabling Ultra-high Capacity Photonic Networks
2009/7/16
Potential upgrade paths for developing new generation of transmission and switching systems are presented. Increase of integration scale and density through hybrid and monolithic integration technolog...
High-Capacity Upstream DWDM Extended Reach PON based on Colourless CWDM Transmitters with Single Nominal Wavelength
High-Capacity Upstream DWDM PON Colourless CWDM Transmitters Single Nominal Wavelength
2008/8/4
We propose for the first time a colourless access architecture with 128 split-ratio, 60km reach and expandable upstream capacity, based on conventional GPON B+ transceivers and sharing cost-effective ...