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optical communications News
Strain Engineering of 2D Materials Enables More Effortless Photodetection
WASHINGTON, D.C., July 28, 2020 — Using a 2D material and an approach it calls “strainoptronics,” a George Washington University research team created a photodetector that can operate with high efficiency at the wavelength of 1550 nm, a spectral region that offers low-loss transmission and optical gain. The researchers stretched an ultrathin layer of molybdenum telluride on top of a nanoscale silicon photonic waveguide. Using strain engineering, they altered the physical properties of the 2D material to shrink
Quantum Entanglement Demonstrated Aboard Orbiting CubeSat
SINGAPORE, July 1, 2020 — An international research team led by the National University of Singapore (NUS) has generated and detected quantum entanglement onboard a CubeSat nanosatellite weighing less than 2.6 kg and orbiting Earth. CubeSats are low-resource, cost-effective...
Scientists Demonstrate 310-nm Nanolaser in VIS Range at Room Temperature
ST. PETERSBURG, Russia, June 12, 2020 — An international scientific team led by researchers at ITMO University demonstrated experimentally what it believes to be the world’s most compact semiconductor laser operating in the visible range at room temperature. The nanolaser produces...
Weeklong Bootcamp Provides Hands-On Experience in Integrated Photonics
CAMBRIDGE, Mass., Feb. 27, 2020 — A January weeklong integrated photonics bootcamp, offered by MIT as part of its work with the manufacturing institute AIM Photonics, provided students with the opportunity to solve problems using lab equipment to test passive photonic chips,...
Hollow-Core Fiber Technology Shows Low Loss, Longer Transmission
SOUTHAMPTON, England, Sept. 30, 2019 — The Optoelectronics Research Centre (ORC) at the University of Southampton has further advanced hollow-core fiber technology, a potential alternative to traditional optical fibers. At the 2019 European Conference on Optical Communication in Dublin,...
Biomaterial from Bacteria Shows Promise for Photonic Applications
HOUSTON, Sept. 9, 2019 — An international research team showed that a material created using tellurium nanorods, which are produced by naturally occurring bacteria, could be an effective nonlinear optical material that is capable of protecting electronic devices against...
Using Sound for Faster Optical Communications Networks
Aug 23, 2019 — Data information is transferred across and within countries, cities, and continents at near the speed of light, and optical fibers carry most of it. Such speeds seem adequate for the current global internet backbone. However, because of the...
Harnessing Light-Sound Interactions on a Single Chip
SYDNEY, Aug. 21, 2019 — A growing group of scientists is adapting the phenomenon known as Brillouin scattering to a new generation of integrated circuits for 5G and broadband networks, sensors, satellite communication, radar systems, and defense. While the feedback that...
Low-Noise Avalanche Photodiode Could Advance Data Communications
CARDIFF, Wales, July 10, 2019 — A new development in semiconductor technology, leading to an ultrafast, highly sensitive avalanche photodiode (APD) with extremely low excessive noise, could improve data transmission rates and/or enable longer transmission distances. Cardiff...
Soliton Dynamics Could Lead to New On-Chip Signal Processing Apps
CAMPERDOWN, Australia, July 8, 2019 — Researchers have found a way to manipulate a soliton on a silicon chip at both the source and reception end of an optical fiber without altering the wave shape. They used a Bragg gated structure on a silicon substrate. The discovery, which is the...
Spin Lasers Could Transfer Data Faster, Use Less Energy than Conventional Lasers
BOCHUM, Germany, April 11, 2019 — Currently, rapid data transfer via optical fiber is accomplished by transmitting light signals that code data by modulating the light intensity. Due to physical limitations, data transfer that is based on a modulation of light intensity, without...
Researchers Control Speed of Light in Free Space
ORLANDO, Fla., April 5, 2019 — Using a technique that someday help alleviate data congestion and prevent information loss, University of Central Florida (UCF) researchers have developed a way to speed up and slow down a light pulse. The new technique allows the speed of the pulse...
II-VI and Finisar Move Closer to Merger
SUNNYVALE, Calif., and PITTSBURGH, March 27, 2019 — II-VI Inc. and Finisar Corp. have moved closer to merging with the approval of each company’s shareholders, advancing the probability of an anticipated midyear closing date. Under the agreement, II-VI will acquire Finisar in a cash and stock...
All-Photonic Quantum Repeaters Could Lead to Faster, More Secure Quantum Internet
TORONTO, Jan. 29, 2019 — Researchers at the University of Toronto are working to address the challenges of transmitting quantum information securely over great distances using optical fiber communication. They have developed a prototype for a key element for all-photonic...
Engineers Perform Computational Logic with Optical and Electrical Signals
TOKYO, Jan. 16, 2019 — In work that could help advance low-power, high-performance computer chips, researchers at the University of Tokyo and RIKEN have employed UV light and electric fields to perform logic operations with a chemical device. The use of electric fields...
Tunable, Nonlinear Metamaterials Could Facilitate Optical Communication
LOWELL, Mass., Jan. 4, 2019 — Scientists from the University of Massachusetts (UMass) Lowell, King’s College London, Paris Diderot University, and the University of Hartford have found that several materials with poor nonlinear characteristics can be combined together to form a...
Wireless-to-Optical Receiver Could Speed Data Transmission Over 'last mile'
ZÜRICH, Nov. 28, 2018 — While light waves sent through optical fibers support fast data transmission, the “last mile,” from the fiber optic cable to the internet socket in your home, can be the most challenging and expensive leg of the journey. In the future a new light...
Researchers Customize Broadband Light Sources Using a Photonic Chip and AI
QUEBEC CITY, Canada, and BRIGHTON, England, Nov. 26, 2018 — Researchers from Institut National de la Recherche Scientifique (INRS) and the University of Sussex have collaborated to create an optical device that uses AI to control the properties of light. Using an actively controlled photonic chip, the...
Optical Fibers Can Detect Type of Materials Around Them
LAUSANNE, Switzerland, July 31, 2018 — Forward stimulated Brillouin scattering (FSBS), because of its resonating transverse acoustic waves, has the potential to facilitate detections in an optical fiber’s surroundings. Researchers have now demonstrated a technique to measure the...
Kirigami-Inspired Technique Manipulates Light at Nanoscale
CAMBRIDGE, Mass., and BEIJING, July 13, 2018 — Researchers have applied the principles of kirigami — the traditional art of paper folding and cutting — to the fabrication of advanced 3D nanodevices for manipulating light. The team believes that “nanokirigami” could offer...
Ultralow-Noise Amplifiers Show Exceptional Reach for High-Speed Optical Communications
GOTHENBURG, Sweden, July 9, 2018 — The reach and capacity in today’s fiber optical transmission links are limited by the accumulation of noise (originating from optical amplifiers in the link) and by the signal distortion from nonlinear effects in the transmission fiber. In...
OFC 2018: A Dynamic Global Gathering
Feb 27, 2018 — OFC (the Optical Fiber Communication Conference and Exhibition) — to be held March 11-15 at the San Diego Convention Center in San Diego — is touted the largest global conference and exhibition for optical communications. For more than 40 years, it...
Microsatellite for Space Quantum Communications is Demonstrated
TOKYO, July 13, 2017 — In a quantum-limited communication experiment between a microsatellite (called SOCRATES) in low Earth orbit and an optical ground station (OGS), researchers were able to detect the communication signal from a small, lightweight quantum-communication...
Optical Approach Delivers Fast, Scalable Data Transmission
KARLSRUHE, Germany, June 14, 2017 — Microresonator soliton frequency combs have been shown to considerably increase the performance of wavelength division multiplexing (WDM) techniques in optical communications. The technology could be used to develop efficient, highly scalable...
Vortex Laser May Help Shape the Future of Data Transfer
BUFFALO, N.Y., Sept. 6, 2016 — A light-based communications tool that is structured to carry data in a helical path may enable fast transfer of large amounts of data, resolving potential bottlenecks in data transfer as the demand for information sharing grows. The novel technique...
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April 2024
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