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microwave News
Microwave Photonic Filter Shifts Paradigm for Future Communications
ENSCHEDE, Netherlands, Jan. 2, 2023 — Researchers from the University of Twente have developed a multifunctional photonic integrated circuit (PIC) that enables programmable filtering functions with a reported record-high dynamic range. The advancement addresses concepts and technologies that include integration, versatile programmability, and techniques for enhancing key radio frequency performance metrics, such as the noise figure. Though prior R&D in microwave photonics has targeted improvements to these aspects, the
Optical Fiber Brings Universal Quantum Computing Closer
GAITHERSBURG, Md., March 25, 2021 — Physicists at the National Institute of Standards and Technology (NIST) measured and controlled a superconducting qubit using optical fiber, rather than metal electrical wires. The work moves toward a universal quantum computer capable of solving...
Microwave Photonic Filters Reconfigured Without an External Device
LAUSANNE, Switzerland, Sept. 14, 2020 — Researchers from École Polytechnique Fédérale de Lausanne’s (EPFL) have developed a method of reconfiguring microwave photonic filters without the need for an external device. The research may enable more compact,...
Researchers Demonstrate 3-Photon Split in the Microwave Domain
WATERLOO, Ontario, Feb. 28, 2020 — Researchers at the University of Waterloo have directly split one photon into three. To do so, they created a non-Gaussian state of light using spontaneous parametric down-conversion (SPDC). Traditional SPDC, which splits a high-energy pump photon...
Researchers Build Chip-Size Particle Accelerator
STANFORD, Calif., Jan. 2, 2020 — For the first time, scientists at Stanford University and the SLAC National Accelerator Laboratory have created a silicon chip that can accelerate electrons using an infrared laser to deliver, at less than a hair’s width, the sort of energy...
Device Offers Quantum-Compatible Link Between Microwave, Optical Domains
BOULDER, Colo., July 18, 2018 — A device that uses a small plate to absorb microwave energy and bounce it into laser light could provide a solution for sending quantum signals over long distances. Scientists at JILA, a joint institute of the University of Colorado Boulder and the...
Photon Pairs Offer Alternate Approach to Quantum Computing
ESPOO, Finland, Sept. 1, 2016 — Microwave signals comprised of correlated photons could be used to code information for quantum computing and may offer an alternative to use of optical systems to build quantum computers. Researchers at Aalto University chilled a microwave...
Metamaterial a One-Way Street for Visible Light
GAITHERSBURG, Md., July 2, 2014 — A structure based on hyperbolic metamaterials allows visible light to pass in only one direction, creating new possibilities for optical circuits and biosensing. Developed at the National Institute of Standards and Technology, the device integrates...
Energy Technologies Get Boost from New Waveguides
BUFFALO, N.Y., March 31, 2014 — More efficient photovoltaic cells are among the possibilities created by a new nanoscale microchip component.
Electrical Quantum States Translated to Optical Ones
SANTA BARBARA, Calif., Sept. 24, 2013 — Using a piezoelectric optomechanical crystal to generate a strong optical response, a UC Santa Barbara team has demonstrated a nanomechanical interface between optics and electronics, the first — and arguably the most challenging — step...
Nobel Prize in physics recognizes quantum-world experiments
STOCKHOLM – Two independent but related quantum optics methods for measuring and manipulating individual particles while preserving their quantum mechanical nature have been recognized by the Royal Swedish Academy of Sciences with the 2012 Nobel Prize in...
Quantum optics work wins physics Nobel
STOCKHOLM – Separate but related quantum optics technologies – ions in a harmonic trap and photons in a cavity – that allow the measurement and control of individual quantum systems were recognized by the Royal Swedish Academy of Sciences with the...
Quantum Optics Work Wins Physics Nobel
STOCKHOLM, Oct. 9, 2012 — Separate but related quantum optics technologies — ions in a harmonic trap and photons in a cavity — that allow the measurement and control of individual quantum systems were recognized Tuesday by the Royal Swedish Academy of Sciences...
Sensor Finds Fire Sources
WACHTBURG, Germany, Jan. 21, 2011 — Forest fires usually spread out of control very quickly. Fires that produce a lot of smoke are particularly challenging for the emergency services, because the source of the fire is then especially hard to find. A new radiometric sensor can pinpoint...
HRL to Make Phaser Cell
MALIBU, Calif., Nov. 12, 2010 — DARPA has awarded HRL Laboratories LLC a $500,000 contract to develop Phaser, or photonic analog signal-processing engines with reconfigurability. The Phaser program was established to address the Department of Defense’s growing need for...
Zoughi Receives Keithley Award
CLEVELAND, Nov. 4, 2010 — The IEEE has named Dr. Reza Zoughi as the recipient of the 2011 Joseph F. Keithley Award in Instrumentation and Measurement. Zoughi is being recognized for his contributions to microwave and millimeter-wave measurement techniques for nondestructive...
Terahertz detection at a distance
TROY, N.Y. – When it comes to safe screening and detection, terahertz imaging offers considerable advantages but one major drawback. Terahertz waves occupy a large segment of the electromagnetic spectrum between the infrared and microwave bands and can provide...
THz Photonic Integrated Circuit Formed
ALBUQUERQUE, N.M., June 30, 2010 — By integrating a terahertz quantum-cascade laser and diode mixer into a monolithic solid-state transceiver, researchers at Sandia National Laboratories successfully formed a terahertz (THz) photonic integrated circuit that can provide improved...
Legends Revisit Laser’s Birth
SAN JOSE, Calif., May 16, 2010 — During the Laserfest History Symposium Sunday at CLEO/QELS 2010, 50 years to the day since the laser was first demonstrated, several key figures from its early days reminisced about the introduction of the technology that changed the world. The...
THz Control Could Mean X-Ray Vision
WASHINGTON, DC, May 10, 2010 — Boston University researchers are closing in on making x-ray vision a reality. Led by BU’s Richard Averitt, the team has developed a new way to detect and control terahertz (THz) radiation using optics and materials science. This type of...
Asylum, ORNL to Hold SPM Workshop
SANTA BARBARA, Calif., April 6, 2010 — The Center for Nanophase Materials Sciences at Oak Ridge National Laboratory (ORNL) and Asylum Research are co-organizing the International Workshop for Scanning Probe Microscopy for Energy Applications, to be held at ORNL Sept. 15-17, 2010. The...
New Lens: GRIN on Steroids
DURHAM, N.C., Dec. 21, 2009 -- Engineers created a new generation of gradient index (GRIN) lens that could greatly improve the capabilities of telecommunications or radar systems to provide a wide field of view and greater detail, although what they fashioned looks more like a...
T-ray Tool Up and Running
AMES, Iowa, Nov. 5, 2009 – A new terahertz ray (T-ray) instrument installed at Iowa State University will allow scientists to take a unique look at material reliability, biofuel combustion, cancer screening, and other science and engineering research fields by reading...
The Teacher
Oct 1, 2009 — After earning a PhD at Caltech, Nader Engheta spent four years at Kaman Sciences Corp. before joining the faculty at the University of Pennsylvania in Philadelphia, where he is now the H. Nedwill Ramsey Professor of Electrical and Systems...
Letters to the Editor
Sep 1, 2009 — White Elephant in Space? Many view the International Space Station (“Solar-powered space station,” Photonics Spectra, July, p. 36), as a $150 billion “white elephant” in space that has sucked resources from many other more worthwhile programs –...
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April 2024
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