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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...
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...
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...
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...
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 ...
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...
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...
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...
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 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...
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...
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...
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...
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 ...

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