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Communications News
GaN-Based LEDs Achieve High-Frequency Visible Light Communications
SHANGHAI, Aug. 23, 2023 — As the large-scale, commercial use of 5G networks has grown, so has the need for broader bandwidth to accommodate high-speed communications. To meet the resource needs of the post-5G and 6G eras, researchers at Fudan University are exploring visible light communication (VLC) to achieve data rates at the terabit-per-second level. The researchers use multicolor LED arrays with wavelength division multiplexing (WDM) technology. They enhance the efficiency of the long-wavelength GaN-based LED
Amplitude-Only Modulator Targets Photonic Device Efficiency
EXETER, England, Aug. 21, 2023 — A thin-film, amplitude-only spatial light modulator made from phase-change-based material was developed by researchers at the University of Exeter and the Institute of Optics in Madrid. The device operates in reflection and modulates the amplitude...
SuperLight Photonics Names CEO; Diamond Light Source Taps Leader: People in the News: 08/16/2023
ENSCHEDE, Netherlands — SuperLight Photonics, a developer of supercontinuum generation lasers, named Cees Links CEO. The University of Twente spinout is focused on applications spectrometry, OCT, crop management, surface inspection, and pollution detection enabled by PIC...
Implementation Agreement Builds on OIF's Co-Packaging Standard
FREMONT, Calif., Aug. 11, 2023 — The Optical Internetworking Forum (OIF) has unveiled the External Laser Small Form-Factor Pluggable (ELSFP) Implementation Agreement (IA). The IA introduces a multisourced future-proof front panel pluggable external laser source form factor, which...
NASA to Test Deep-Space Laser Communication on Psyche Mission
WASHINGTON, D.C., Aug. 9, 2023 — NASA’s Deep Space Optical Communications project will test the use of near-infrared lasers as potential replacements for the current radio frequency systems. The technology demonstration, scheduled to piggyback on the Psyche mission launching...
What Is the Quantum Internet?
Aug 1, 2023 — The internet is an inescapable part of modern life, and the hardware that enables it is almost as ubiquitous. Fiber cables transmit terabytes of data around the world every second and, although the technology is constantly evolving, it has become...
Nanophotonic Simulator Performs Computations at the Quantum Level
ROCHESTER, N.Y., July 21, 2023 — Researchers at the University of Rochester (UR) have developed a photonics-based quantum simulation system that simulates physical phenomena at the quantum level. The nanophotonic quantum simulator performs chip-scale simulations in a...
OFS Deals Telecom Fiber Manufacturing Space to Heraeus Comvance
HANAU, Germany, July 18, 2023 — Heraeus Comvance, a manufacturer of quartz glass for fiber optics in telecom and specialty applications, has acquired part of the OFS Fitel Denmark ApS plant in Brøndby, Denmark, near Copenhagen. The companies will continue to operate as...
Fiber Optic Tag Enables Efficient All-Optical Link Encryption
SHENZHEN, China, July 17, 2023 — In an advancement that could improve the way that optical distribution networks are maintained, researchers at Shenzhen University have demonstrated an encrypted fiber optic tag for all-optical labeling and the recognition of optical transmission...
Testing and Maintaining Not-Quite-Plug-and-Play MPO Connectors
Jul 11, 2023 — You know how your headphone cables get tangled up in your bag just minutes after they were placed there neatly? And the Christmas tree lights, packed away carefully in January, emerge the next December in a nightmare of knots? You’re not...
Photonic Chip Drives Scalable Data Transfer
NEW YORK, July 11, 2023 — Systems that run artificial intelligence programs, such as large language models, face a “bandwidth bottleneck” that can limit the amount of data they transfer between nodes. Using light to send information between the nodes of data...
REM Atoms and Nanophotonic Resonator Offer Path to Quantum Networks
GARCHING, Germany, June 29, 2023 — Researchers at Max Planck Institute of Quantum Optics (MPQ) and Technical University of Munich (TUM) demonstrated a potential platform for large-scale quantum computing and communication networks. Secure quantum networks are of interest to financial...
Compact, Single-Mode THz QCLs Get Boost from BICs
SINGAPORE, June 27, 2023 — A team at Nanyang Technological University (NTU) developed an electrically pumped, topological, bulk quantum cascade laser (QCL) that operates in the terahertz (THz) frequency range. The THz QCL is governed by a mechanism known as bound states in...
Modulator Drives Record-Fast Transmission in Face of Data Traffic
MONTREAL, June 21, 2023 — Although silicon photonics holds potential as a platform for optical transceivers, due to its CMOS compatibility, the approach is limited in its electro-optic bandwidth. It also carries high driving voltage requirements. The qualities can hinder its...
Integrated, High-Speed QKD Broadens Reach of Quantum Security
WASHINGTON, D.C., June 15, 2023 — Quantum key distribution (QKD) provides long-term security for long-distance communications by generating encryption keys based on quantum mechanics. Quantum technology ensures a secure key exchange between sender and receiver. To industrialize and...
Optical Switching Technique Sets Ultrafast Bar for Data Communications
TUCSON, Ariz., April 10, 2023 — Researchers working as part of a multi-institution collaboration led by University of Arizona assistant professor Mohammed Hassan achieved what they said are previously unattainable data transfer speeds from an optical switching mechanism. The...
Novel Photodiode Cuts Excess Noise, Enhances Detection Efficiency
SHEFFIELD, England, Feb. 27, 2023 — Researchers at the University of Sheffield designed and developed an avalanche photodiode (APD) with significant potential for low photon detection. The highly sensitive gallium arsenide antimonide/aluminum gallium arsenide antimonide...
On-Board Optics Expand Bandwidth and Reduce Power Use in the Data Center
Feb 3, 2023 — Co-packaged optics (CPO) and on-board optics (OBO) are not novel concepts, per se. The benefits of moving optics closer to the computing cores of data center switches have been clear to systems developers since optical glass fiber was first adopted...
Free-Space Optical Communications Soar with the Satellite Sector
Feb 3, 2023 — Free-space optics (FSO) and systems are uniquely valuable in enabling fast and secure connectivity, both in terrestrial and nonterrestrial networks. With major advancements in space optics over the last 20 years, ultrahigh-bandwidth signals now...
OFC 2023 Extends Its In-Person Format with a Hybrid Conference
Feb 2, 2023 — The 2023 Optical Fiber Communication Conference and Exhibition (OFC) returns to San Diego March 5-9, bringing a projected 12,000-plus attendees, 500-plus exhibitors, and dozens of cutting-edge technical sessions. This year’s in-person...
Chromacity, LightPath Add to Board; Prima Industrie Appoints CEO; People in the News: 12/28/22
EDINBURGH, Scotland, Dec. 28, 2022 — Ultrafast-laser manufacturer Chromacity appointed Robert Black and Richard Laming board directors as the company seeks to expand further into industrial markets. Black joins as nonexecutive chairman. The former CEO of software firm SeeByte is an...
Fiber Technology Invented in 1970s Enters Quantum Age
CASTELLDEFELS, Spain, Dec. 5, 2022 — Following its development by a team at Corning in 1970, low-loss optical fiber became the best means to efficiently transport information from one place to another over long distances without loss of information. However, with the exponential...
Scantinel Photonics Raises $10.5M Series A: Week in Brief: 12/02/22
ULM, Germany, Dec. 2, 2022 — Scantinel Photonics, a startup developing next-generation lidar technology for mobility and industrial applications, secured a €10 million ($10.5 million) extended series A funding round. The round was backed by PhotonDelta and current...
International Space Station's Newest Transceiver Targets Space Debris
DRESDEN, Germany, Nov. 23, 2022 — Use of a modular system, enabling individual components to be replaced and thereby extending service life — can make satellite systems more sustainable. To ensure a problem-free interface between components, a team from the Fraunhofer...
Spectral Control of Network Lasers Opens Opportunity for On-Chip Photonics
LONDON, Nov. 17, 2022 — Efficient spectral control of network lasers is possible and could lead to fast-switching, multifunctional light sources for on-chip photonic applications. Using experiments and mathematical models, researchers at Imperial College London...
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May 2024
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