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Erbium News
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...
Wireless Power Transfer System Brings Automated Charging Potential
SEOUL, South Korea, Sept. 1, 2022 — A wireless charger developed at Sejong University in South Korea overcomes some of the challenges that have hindered previous attempts to develop safe and convenient on-the-go charging systems. The new system uses infrared light to safely transfer...
Erbium-doped Amplifiers are Repackaged into Waveguide Form
LAUSANNE, Switzerland, June 21, 2022 — Researchers at École polytechnique fédérale de Lausanne (EPFL), led by professor Tobias J. Kippenberg, fabricated an erbium-doped waveguide amplifier on a compact photonic chip using erbium ion implantation and a silicon nitride...
Broadband MIR Source Facilitates Fiber Optic Sensors
TOKYO, April 6, 2021 — A light source that generates a highly stable broadband mid-infrared (MIR) beam in the wavelength range of 2.5 to 3.7 μm and that, in testing, maintained its full brightness due to its high beam quality supports the simplification of fiber...
Researchers Devise Method to Observe Atomic Interactions, Quantum Mechanics
PRINCETON, N.J., Nov. 12, 2020 — Researchers from Princeton University have formulated a method to control and measure atoms that are indistinguishable when observed with an optical lens. The work allows the researchers to observe atomic interactions and quantum mechanical...
Whispering-Gallery Device Could Improve Info Processing
ST. LOUIS, April 11, 2014 — A new whispering-gallery microcavity could lead to new and more powerful computers that run faster and at cooler temperatures.
Ultrabright Nanocrystals Could Image Single Proteins
BERKELEY, Calif., March 19, 2014 — The future is bright in the world of biological imaging with the recent creation of ultrabright, ultrasmall light-emitting crystals that can image single proteins.
Fiber vs. Disk: Which Laser Will Make the Cut?
Jul 1, 2011 — Some in the industry say they see fiber continuing to make large gains in the manufacturing space, but others say don’t count thin-disk out. The boom in fiber lasers that began several years ago has led some to question whether there is still...
Quantum cloning: Radiometry on a small scale
GENEVA – Measuring the luminous power of light is a basic task in physics laboratories and telecom applications. Until recently, however, measuring light energy in an absolute manner has required the complex equipment and techniques available only in...
Making electro-optical sense with Zinc Oxide
Feb 28, 2010 — ZnO has many properties that make it attractive for optoelectronic applications. It has a bandgap of 3.37 eV – the same as gallium nitride (GaN) – and an excitation binding energy of about 60 meV. It is transparent under visible wavelengths of light...
A New World of Fiber Sensors
Oct 1, 2009 — Optical fiber is well-known for its ability to carry information at high speeds over long distances. Twenty years after the first transatlantic fiber optic cable was laid, these strands of ultrapure glass continue to offer unrivaled bandwidths. They...
Scientists Discover Light So Fast It Goes ... Backward
ROCHESTER, N.Y., May 12, 2006 -- In the past few years, scientists have found ways to make light go both faster and slower than its usual speed limit, but now researchers at the University of Rochester have gone one step further: pushing light into reverse. As if to defy common...
Erbium Host Offers High Doping Levels, Flat Gain
Apr 1, 2006 — Researchers at the Universities of Nottingham and Sheffield in the UK and at Universidad de La Laguna on the island of Tenerife in Spain are investigating a new class of material as an erbium host for telecommunications applications. The material,...
Efficient Silicon LED Demonstrated
Jan 1, 2003 — Researchers at STMicroelectronics in Catania, Italy, have reported the development of a silicon LED with what they claim is a world-record emission efficiency. To make the device, Salvo Coffa and his colleagues used ions of rare-earth metals such as...
(14 results found)
May 2024
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