Nippon Telegraph and Telephone Corporation has developed an ultra-compact semiconductor laser (LEAP laser) enabling 10-Gbit/s data transmission with the world's lowest energy consumption. The energy consumption for 1-bit ...
Optics & Photonics
May 28, 2013
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Nippon Telegraph and Telephone Corporation has succeeded in fabricating a novel ultrasonic oscillator by applying a principle analogous to an optical laser, which is widely used as a highly purified light source, to a microelectromechanical ...
General Physics
Mar 18, 2013
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Nippon Telegraph and Telephone Corporation, Osaka University, and The University of Electro-Communications have developed a biologically-inspired "Yuragi (fluctuations)" algorithm for virtual network control technology. By ...
Telecom
Jan 24, 2013
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Fujitsu Limited, Nippon Telegraph and Telephone Corporation and NEC Corporation today announced the commencement of joint research and development toward making the world's top-level,400Gbps/channel-class digital coherent ...
Telecom
Dec 11, 2012
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NTT and three partners- Nippon Telegraph and Telephone Corporation, Fujikura Ltd., Hokkaido University, and Technical University of Denmarkâdemonstrated ultra-large capacity transmission of 1 petabit (1000 terabit) per ...
Telecom
Sep 21, 2012
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Nippon Telegraph and Telephone Corporation has developed the world’s highest-density multi-fiber optical fiber cable for outdoor optical fiber networks. NTT Access Network Service Systems Laboratories (NTT Labs) succeeded ...
Engineering
Jul 4, 2012
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Nippon Telegraph and Telephone Corporation has succeeded in the field trial of an optical amplification technology that realizes 10Gbit/s-100km class high speed and wide area optical access networks.
Telecom
Mar 7, 2012
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Nippon Telegraph and Telephone Corporation has developed an current-injection photonic-crystal laser with ultralow power consumption that can be applied to off-chip and on-chip optical data transmission for microprocessors.
Optics & Photonics
Feb 14, 2012
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Nippon Telegraph and Telephone Corporation and NTT Communications Corporation have conducted 100 and 40Gbps transmission tests in real field environments using existing installed optical fiber, and have demonstrated for the ...
Telecom
Nov 24, 2011
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(PhysOrg.com) -- Nippon Telegraph and Telephone Corporation (NTT) has demonstrated what might be the next version of high speed WiFi. Currently named 802.11ac, (wireless transmission traditionally uses .11 as opposed to .3 ...
