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Mitsubishi Electric to Ship Samples of Tunable Laser-diode Chip for Optical-fiber Communication
Mitsubishi Electric announced today that it will begin shipping samples of its new tunable laser-diode chip for use in optical transceivers of optical-fiber communication systems on October 1. The new chip is expected to help increase the capacity of digital coherent communication as well as reduce the size of optical transceivers. Data communication volume is…
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Mitsubishi Electric Develops World’s First Laser Communication Terminal Integrating Space Optical Communication and Spatial Acquisition
Mitsubishi Electric announced today that it has developed the prototype of what is believed to be the world’s first optical receiver for use in laser communication terminals (LCTs), that integrates space optical communication using laser beams and a function to detect the direction of received beams in the 1.5-μm band, a general-purpose band used for…
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Ultra-large capacity inline optical amplified transmission can send 5,000 HDTV videos of two hours in a single second over 1000 km!
NTT today demonstrated ultra-large capacity inline optical amplified transmission of 1 petabit (1000 terabit) per second over a 205.6 km length of 32-core (light paths) optical fiber. This sets a new world record for the transmission distance of one Pbit/s capacity over a single strand of optical fiber within a single optical amplifier bandwidth (C-band),…
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NTT Demonstrates world’s highest density optical fiber using a deployable optical fiber diameter of less than 250 µm
NTT, Fujikura and Hokkaido University have demonstrated the world’s highest density optical fiber using a deployable optical fiber diameter of less than 250 µm. This optical fiber contains 19 optical paths (cores) that can support six kinds of optical signals (modes), and it provides 114 (= 6 modes × 19 cores) spatially multiplexed communication paths…
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NTT demonstrates lossless wavelength conversion of single photons in an optical fiber
Nippon Telegraph and Telephone Corporation (NTT) have demonstrated a new scheme for the wavelength conversion of a single-photon wave packet required for quantum information-communication technologies. The scheme enables us to deterministically change the color and shape of a single-photon wave packet in a lossless manner. The scheme, directly applicable to single photons travelling in an…
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Tokyo Institute of Technology and Fujitsu Achieve World’s Fastest Wireless Transmission Speeds of 56 Gbps
Tokyo Institute of Technology and Fujitsu today announced that, they have developed a CMOS wireless transceiver chip that can process signals at high speeds with little loss across a broad range of frequencies, from 72 to 100 gigahertz (GHz). Tokyo Institute of Technology and Fujitsu also developed technology to modularize it. With these developments, they…
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Fujitsu Develops Optical Transmission Technology to Double Communications Distance between Servers
Fujitsu today announced the development of technology that doubles the maximum distance of optical communications between servers to 200 meters while using conventional fiber-optic cabling. In a distributed-computing system, adding servers is a way to increase the system’s overall processing capacity. However, as the floor space of datacenters gets bigger to accommodate more servers, a…
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Mitsubishi Electric Develops DFB Laser Diode for 25Gbps Optical-fiber Communication in 100Gbps Systems
Mitsubishi Electric has developed a distributed feed-back (DFB) laser diode for 25Gbps optical-fiber communication in 100Gbps systems operating in a wide range of temperatures from -20 to 85 degree Celsius. Four DFB laser diodes can be mounted on 100Gbps high-speed communication transceivers for optical fiber communication to achieve lower power consumption and enhanced communication performance…
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Corning SMF-28 Ultra Optical Fiber-first to combine improved attenuation and bend performance in one single-mode fiber
Corning today announced its latest single-mode optical fiber innovation, Corning SMF-28 Ultra fiber. This new, premium single-mode optical fiber is the first in the market to combine the benefits of industry-leading attenuation and improved macrobend performance in one fiber. The improved macrobend performance provides greater margins for bends that regularly occur in the field during…
