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Fiber Optics News
NTT Develops Faster Optic-Fiber Technology
Jun 11, 2003 — TOKYO, June 11 -- Japan's Nippon Telegraph and Telephone Corp (NTT) has developed a communications technology that will allow Internet users to download a two-hour movie in about half a minute, according to a June 9 Reuter's article that cited the Nihon Keizai Shimbun newspaper. "The new optic-fiber technology will increase communication speeds to one gigabyte per second, up from 100 megabytes per second now available for homes and offices," the Nihon Keizai Shimbun article said. The technology...
BellSouth to Upgrade SONET Platform
Jun 2, 2003 — ATLANTA, June 2 -- BellSouth announced it will upgrade its SONET infrastructure to a multiservice provisioning platform (MSPP) in order to expand service options for customers in its nine-state region. It will deploy Lucent's Metropolis DMX Access...
Fiber Laser Q-Switched by Stimulated Brillouin Scattering
Jun 1, 2003 — Fiber lasers increasingly are becoming attractive for commercial applications because of their compact and rugged packaging, efficient operation with passive cooling and high beam quality. Recently, a novel approach to passive Q-switching has...
Tunable Fiber Source Produces 30-nJ Pulses
Jun 1, 2003 — Researchers at Tampere University of Technology's Optoelectronics Research Centre in Tampere, Finland, have achieved 30-nJ pulse energies from an Yb-doped core-pumped fiber laser and a cladding-pumped double-clad fiber amplifier. The team noted that...
IPG Photonics Breaks Fiber Laser Output Record
May 22, 2003 — OXFORD, Mass., May 22 -- IPG Photonics Corp. (IPG) has announced that its commercial-grade Ytterbium fiber laser achieved 300 watts of low noise single-mode output power, a new record. The company said, "This breakthrough increases by 50 percent the...
Fiber Line Mishap Exposes Redundancy Failure
May 19, 2003 — BOSTON, May 19 -- When a subcontractor for the Big Dig ripped through a fiber line in South Boston Tuesday, thousands of businesses temporarily lost their Internet connections -- revealing that their host service, Allegiance Telecom Inc., lacked a...
AXT Attributes Plant Shutdowns to SARS
May 16, 2003 — FREMONT, Calif., May 16 -- The global effects of the sudden acute respiratory syndrome (SARS) outbreak have slowed demand for optoelectronic products, forcing one US manufacturer to temporarily shut down. AXT Inc., a Fremont-based manufacturer of...
Berkshire Hathaway Invests $20M in Telecom
May 16, 2003 — OMAHA, Neb., May 16 -- The Associated Press (AP) reported today that billionaire investor Warren Buffett has purchased $20 million of stock in a fiber optic communications company, at least the second such company that he has invested in. The AP...
Fiber Amplifier Achieves Record Power Output
May 15, 2003 — REDONDO BEACH, Calif., May 15 -- Northrop Grumman Corp. said it has developed a fiber amplifier that produces a record output of 155 watts from a slender optical glass thread. The energy emerges as infrared light with a single polarization. "This...
KDDI to Offer Fiber Optic Broadcast Services
May 8, 2003 — TOKYO, May 8 -- Agence France-Presse (AFP) reported yesterday that Japan's number two telecom firm, KDDI, has said it will soon offer broadcasting services using fiber optic connections. A KDDI spokesman told the AFP, "We will expand our broadband...
Corning Subsidiary to Provide Island Fiber Link
May 7, 2003 — CORNING, N.Y., May 7 -- Corning Inc. announced today that SMITCOMS, a telecommunications provider on the Island of St. Maarten, has signed a contract with NSW Submarine Cable Systems Inc. to provide a turnkey submarine cable system linking St....
NTS Awarded Fiber Testing Contract
Apr 30, 2003 — CALABASAS, Calif., April 30 -- National Technical Systems Inc., a provider of quality and conformance testing and services, announced today that its Fullerton, Calif.-based telecommunications lab has received $1.7 million in new contracts from four...
An OFC 2003 Perspective
Apr 8, 2003 — Since its inception more than two decades ago, the Optical Fiber Communications conference (OFC) has reflected the condition of the optical telecommunications industry. From the days when fiber optic communications was more hope than reality (and...
Corning to Charge $200M Against Asbestos Claims
Apr 8, 2003 — CORNING, N.Y., April 8 -- Corning Inc. said it will charge $200 million against its earnings in the first quarter to settle asbestos claims. The after-tax charge would cover all asbestos claims now and in the future arising from Pittsburgh Corning's...
Columbia Ventures Buys Hibernia Atlantic
Apr 4, 2003 — VANCOUVER, Wash., and DUBLIN, Ireland, April 4 -- Columbia Ventures Corp. (CVC) announced today that its subsidiaries have completed the purchase of a 12,200-kilometer fiber optic submarine cable system connecting North America with Europe. Formerly...
Er:Fiber Laser Suitable for Optical Clocks
Apr 1, 2003 — Scientists at Technische Universität München in Garching and at Ludwig Maximilians Universität München in Munich, both in Germany, have presented an erbium-doped fiber laser system that offers 110 mW of linearly polarized output power in 65-fs...
Heat Treatment Produces Fiber for Sensors
Apr 1, 2003 — In pursuit of a more economical fiber for evanescent field sensors, researchers in Australia have determined that annealing standard commercial telecommunication fiber yields a suitable refractive-index profile for such applications. The...
Hospitals Study Cardiovascular Fiber Optic Device
Mar 17, 2003 — CARLSBAD, Calif., March 17 -- Clinical studies are underway for a new device that researchers hope will enable some patients with cardiovascular disease to bypass heart-bypass surgery. Fifteen hospitals are participating in a study that uses fiber...
Hospitals Studying Cardiovascular Fiber Optic Device
Mar 17, 2003 — CARLSBAD, Calif., March 17 -- Clinical studies are underway for a new device that researchers hope will enable some patients with cardiovascular disease to bypass heart-bypass surgery. Fifteen hospitals are participating in a study that uses fiber...
Canada Supports Development of All-Photonic Network
Mar 1, 2003 — The Natural Sciences and Engineering Research Council of Canada has awarded McGill University of Montreal and its project partners a five-year, $7 million grant to develop a next-generation all-photonic fiber optic telecommunications network. Key to...
Fiber Bragg Gratings Filter WDM Signals
Mar 1, 2003 — Fiber Bragg gratings are versatile wavelength filters for multiplexing and demultiplexing wavelength division multiplexing (WDM) signals. They also can compensate for chromatic dispersion that can degrade the quality of the WDM signal in an optical...
Kilowatt-Class Fiber Lasers Feasible
Mar 1, 2003 — Investigations with high-power ytterbium-doped and erbium/ytterbium-codoped fiber lasers at the University of Southampton and Southampton Photonics Inc. in the UK indicate that the lasers could offer output powers greater than 1 kW, enabling them to...
Qubits Teleported over 2 km of Fiber
Mar 1, 2003 — A team of researchers at the University of Geneva has teleported quantum states carried on 1.3-µm photons onto 1.55-µm photons over 2 km of standard dispersion-shifted optical fiber. The experiment, which was described in the Jan. 30 issue of...
India Telcos to Deploy Corning Fiber
Feb 26, 2003 — CORNING, N.Y., Feb. 26 -- Corning Inc. announced today that Tata Teleservices Ltd., a leading telecommunications carrier in India, and Videsh Sanchar Nigam Ltd., India's largest international telephony service provider, will jointly deploy Corning...
SPI Claims Power Record for 980 nm Fiber Laser
Feb 20, 2003 — SAN ANTONIO, Texas, Feb. 20 -- Southampton Photonics Inc. (SPI) and the Optolectronics Research Centre at the University of Southampton have reported 3.5 W of output power at 980 nm from a jacketed air-clad ytterbium-doped fiber laser. The report...
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July 2024
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