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New Ground-to-Train High-Speed Free-Space Optical Communication System with Fast Handover Mechanism
Free-space optical communication Scanners
2015/5/26
We developed a new ground-to-train free-space optical communication system that performs stable high-speed communication even when a train is running at high speed and does fast handover between laser...
20-Gb/s Error-Free Wireless Transmission Using Ultra-Wideband Photonic Transmitter-Mixer Excited with Remote Distributed Optical Pulse Train
Photodiodes Radio frequency photonics
2015/5/26
Photonic transmitter-mixers with ultra-wide O-E/modulation bandwidths excited by remote-distributed pulse trains for 20Gbps error-free wireless transmission is presented. The S/N ratios and output pow...
A Novel Wireless over Fiber Access Architecture Employing Moving Chain Cells and RoF Technique for Broadband Wireless Applications on the Train Environment
Networks ptical communications
2015/5/26
We have demonstrated a hybrid optical/wireless system based on moving chain cells and radio-over-fiber techniques. This scheme can improve power efficiency, cell-edge coverage,system throughput and fl...
437 GHz Optical Pulse Train Generation from a C-Band InAs/InP Quantum Dot Laser
Lasers pulsed Quantum-wel dot devices
2015/5/22
We demonstrate 437 GHz optical pulse train generation based on grating coupled external cavities using InAs/InP quantum dots as the gain material. It is the highest repetition rate ever produced by QD...
Heating and burning of optical fiber by light scattered from bubble train formed by optical fiber fuse
optical fiber bubble train light scattered Heating and burning
2015/5/14
We investigate in detail for the first time the scattering properties and heating characteristics in an optical fiber when a bubble train forms in the middle of the fiber as a result of the fiber fuse...
Generation of 10-GHz 2-ps optical pulse train over the C band based on an optical comb generator and its application to 160-Gbit/s OTDM systems
optical pulse train over optical comb generator application OTDM systems
2015/7/31
We demonstrate stable generation of a 10-GHz 2-ps optical pulse train from 1530 to 1555 nm based on an optical comb generator. Such pulse train is multiplexable to 160 Gbit/s.