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semiconductor lasers News
Photonics-Based Oscillator Provides Precise Signals on Compact Chip
GAITHERSBURG, Md., March 15, 2024 — Many technologies — from communications, to radar and sensing, to positioning and navigation — rely on low-noise microwave signals for precise timing and synchronization. Advances in these technologies intensify the demand for stable, low-phase noise microwave sources. Although photonic lightwave systems provide advantages over conventional electronic approaches for generating low-noise microwaves, the large size and power consumption of photonic systems restrict their use to
Perovskite-based LEDs Pave Way to Novel Thin-Film Laser Diodes
LEUVEN, Belgium, Jan. 9, 2024 — A research team from imec has developed perovskite-based LEDs which emit light 1000 times brighter than OLEDs. According to the researchers, the advance is a pivotal milestone towards a perovskite injection laser, which promises advances in image...
AFRL Opens Laser Lab at Kirtland AFB
ALBUQUERQUE, N.M., Nov. 9, 2023 — The U.S. Air Force Research Laboratory (AFRL) debuted its semiconductor laser indoor propagation range (SLIPR) at Kirkland Air Force Base in New Mexico. The range, which consists of a 3500-sq-ft high-bay propagation lab, will enable future laser...
OLED Pumping Enables Electrically Driven Semiconductor Lasing
ST. ANDREWS, Scotland, Oct. 6, 2023 — Researchers at the University of St. Andrews demonstrated an electrically driven, organic semiconductor laser using a new approach that could improve the performance of this class of laser and further the development of ultrafast, organic...
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...
Lumibird to Acquire Convergent Photonics from Prima Industrie
LANNION, France, May 16, 2023 — Laser developer Lumibird has signed an agreement to acquire Convergent Photonics, a subsidiary of Italian company Prima Industrie, as well as the Convergent assets of Prima Industrie North America. Convergent is a designer and manufacturer of...
Outshining LEDs: Diode Lasers Deliver Intensity to Illumination
May 31, 2022 — The development of light-emitting diode (LED) lighting has been a great success story of our times. LEDs are nearly ideal light sources that have largely replaced other lighting technologies, except in some niche applications. Solid-state lighting...
Deep-UV Aluminum Gallium Nitride Laser Enables Diverse Applications
ITHACA, N.Y., April 12, 2022 — Researchers at Cornell University demonstrated an optically pumped, aluminum gallium nitride (AlGaN)-based multimode laser that emits deep-ultraviolet (DUV) light at low modal linewidths and at wavelengths under 300 nm. DUV emitters have use in...
Advancements in Diode Lasers Fuel Automotive Lidar
Jan 27, 2022 — Lidar for autonomous vehicles debuted in 2007 as an enabling sensor technology for robotaxis and robotruck development. Within the last five years, however, the technology has trended toward broader commercialization in mass-market passenger...
Ultrashort-Pulse QCLs Push Possibilities into Mid-Infrared
ZURICH, Dec. 1, 2021 — Researchers at ETH Zurich have demonstrated direct femtosecond pulse emission from a QCL in the mid-infrared region. The demonstration, which the ETH Zurich researchers reported is the first of its kind, opens the possibility for novel applications...
Group IV Laser Materials Prepare to Board Silicon Photonics Train
GIF-SUR-YVETTE, France, Dec. 1, 2021 — A team of scientists led by Moustafa El Kurdi from the Center for Nanosciences and Nanotechnologies, University of Paris-Saclay and collaborators from the Alternative Energies and Atomic Energy Commission (CEA) in France have developed a technology...
Institute Will Spur 'Synergistic' Quantum, Photonics Advancements
EINDHOVEN, Netherlands, Sept. 8, 2021 — Eindhoven Institute of Technology (TU/e) has opened the Eindhoven Hendrik Casimir Institute (EHCI), a photonics and quantum research center. The mission of EHCI is to contribute to a sustainable information society by bringing together TU/e’s...
LASER COMPONENTS Detector Group Opens Facility
CHANLDER, Ariz., Dec. 3, 2020 — LASER COMPONENTS Detector Group opened its new 29,000-sq-ft facility in Chandler, Ariz. The Phoenix-area facility features cleanrooms optimized to ensure safe materials transfer and strict particle control; floor, workstation, and cleanroom clothing...
VCSELs Employ Slow Light to Boost Speed
WASHINGTON, D.C., Nov. 20, 2020 — George Washington University (GWU) researchers have combined multiple transverse coupled cavities to develop a new vertical-cavity surface-emitting laser (VCSEL). The cavities in the laser system enhance the laser’s optical feedback...
On-Chip Laser Light Generates Spectrum of Colors
GAITHERSBURG, Md., Oct. 16, 2020 — National Institute of Standards and Technology (NIST) and University of Maryland researchers demonstrated the ability to convert invisible near-infrared laser light into multiple visible colors, using newly introduced microchip technology. The...
Sheaumann Laser Expands, Relocates Operations
BILLERICA, Mass., Aug. 17, 2020 — Sheaumann Laser Inc. has opened a new 57,800-sq-ft facility in Billerica, Massachusetts. The manufacturer of semiconductor lasers announced its expansion and relocation in July. Supported by a $2.34 million grant from the Massachusetts Manufacturing...
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...
Team Develops High-Efficiency Laser Placed on Silicon Chips
JULICH, Germany, March 27, 2020 — Scientists from Forschungszentrum Jülich are one step closer to integrating lasers directly on silicon chips, allowing data to be transferred more quickly. Together with researchers from Centre de Nanosciences et de Nanotechnologies (C2N) in...
Electrically Driven Topological Laser Bypasses Manufacturing Imperfections
SINGAPORE, Feb. 19, 2020 — Researchers from Nanyang Technological University (NTU Singapore) and the University of Leeds (UL) have created what they believe to be the first electrically driven topological laser. The new device has the ability to route light particles around...
With Innovations, Lasers Boost Performance
Nov 19, 2019 — With their performance rising, semiconductor lasers may be able to best their fiber-based counterparts in a wide variety of applications. On the horizon are potential game changers, such as high-power blue laser diodes and organic laser diodes. But...
II-VI and LITE-ON Partner on Lidar
PITTSBURGH, Sept. 13, 2019 — II-VI Inc. has signed a strategic partnership agreement with optoelectronic specialist LITE-ON Technology Corp. The partnership will enable the volume manufacturing and commercialization of packaged semiconductor lasers for lidar systems in order to...
On the Shoulders of Giants
Jun 6, 2019 — For millennia, scholars in the old and new worlds have realized that their efforts depend largely on the works of those who came before. The “eureka!” moments experienced by scientists and other observers of nature do arise, but there...
A History of the Laser: 1960 - 2019
Jun 6, 2019 — In 2020, the laser turns 60. This is a timeline of some of the more notable scientific accomplishments related to light amplification by stimulated emission of radiation (laser). An interactive version of the laser timeline is available, as well as...
Quantum Interferometry Reveals How Coherent Phonons Are Generated
TOKYO, May 24, 2019 — Scientists at Tokyo Institute of Technology and Keio University wanted to investigate ways to store, move, and process information at exponential speeds using heat and noise (also known as waste vibrations). To do so, they studied the excitation and...
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...
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May 2024
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