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single-mode fiber News
Multidimensional Quantum Communications with Legacy Fibers
JOHANNESBURG, Jan. 28, 2020 — In a new “twist” on quantum communication using optical fiber, researchers from the University of Witwatersrand (Wits) and Huazhong University of Science and Technology (HUST) have demonstrated that multiple quantum patterns of twisted light can be transmitted across a conventional fiber link that supports only one light pattern. The research could open the way to secure transport of quantum data across fiber networks, using multiple dimensions of light. The researchers made
Optical Interconnects Set to Achieve Bandwidth Benchmark
May 30, 2018 — Countless emails, text messages, pictures, and videos are posted on social media every day, along with unfathomable amounts of data that must be processed by the likes of Amazon and Google. All of this information must be stored and processed in...
The Coming Market for Optical Fiber and Cable
Feb 1, 2012 — “The market for optical fiber cable has shifted dramatically in the past five years to local deployments, away from long haul and regional.” The market for optical fiber and cable is a critical piece of the broader optical components...
Fiber Optic Networks
Jan 4, 2010 — Covering short-reach and long-haul networks, the volume Planning Fiber Optic Networks provides detailed information on major fiber optic parameters and includes background theory a...
EA-DFB Lasers Demo'd
Mar 10, 2008 — Opnext Inc. and Hitachi Ltd. announced the first wide-temperature range operation of 1310-nm 25 Gb/s EA-DFB (electro-absorption modulator with integrated distributed feedback) lasers for 100 Gigabit Ethernet 10-km, single-mode fiber (SMF)...
Fiber Design, Component Size to be NEFC Topic
Jan 30, 2007 — Tdrive to improve fiber design and fiber end-face requirements to fulfill expanding applications for single-mode fiber will be topics at the New England Fiberoptic Council (NEFC) monthly dinner meeting, to be held Feb. 20 from 6 to 9 p.m. at the...
All-SiO2 Fiber Pressure Sensor Sets Sensitivity Record
Sep 1, 2005 — By fabricating a miniature Fabry-Perot interferometer on the tip of a single-mode fiber, researchers at the University of Maribor in Slovenia have created a pressure sensor that they believe is two orders of magnitude more sensitive than any...
Holey Fibers Connect to Conventional Fibers with Low Loss
Aug 1, 2005 — Holey fibers have several characteristics that make them useful in numerous applications, including the ability to manipulate dispersion. But an impediment to their widespread utilization has been the difficulty in splicing holey fibers to...
'Slow Light' Demonstrated in Optical Fiber
Jul 1, 2005 — A collaboration of researchers from Cornell University in Ithaca, N.Y., the University of Rochester in New York and Duke University in Durham, N.C., has produced optical delays as long as 20 ns -- up to 1.3 times the pulse duration -- in...
Gas Sample Cell Based on Photonic Bandgap Fiber
May 1, 2005 — By splicing a single-mode fiber to each end of a gas-filled, hollow-core, photonic bandgap fiber, researchers at the University of Bath in the UK have created a gas cell with unprecedented interaction efficiency between the sample and light. They...
Tiny Tip Couples Diode Laser to Single-Mode Fiber
Nov 1, 2004 — The inefficient coupling of a diode laser's power into a single-mode fiber has been a major stumbling block in modern fiber optic telecommunications systems. These coupling losses are one of the motivations for the development of fiber lasers as...
Automation Speeds Fiber Alignment
Mar 1, 2004 — Coupling a single-mode fiber to the lens of an infrared diode laser is one of the most common optical fiber alignment tasks. The success of this pigtailing process depends on accurate manipulation of the fiber in the X-, Y- and Z-axes, typically to...
Good Splices Make Good Lasers
Nov 1, 2003 — Intracavity losses of a fraction of a percent can cut the output power of a low-gain laser, such as an erbium-doped fiber laser, by a factor of two or more. A significant source of loss in an erbium-doped fiber laser is the splice between the...
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...
Optical Gels Come of Age
Mar 1, 2003 — Optical gels were originally designed to improve return loss in mechanical splices of single-mode fiber, but they also have proved to be effective at index matching for a variety of optical components. One of the key advantages of an optical gel is...
(15 results found)
April 2024
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