South China University of Technology has shown improved power and efficiency performance for indium gallium nitride (InGaN) light-emitting diodes (LEDs) with 1.2% indium-content multiple-quantum-well (MQW) barriers [Zhiting Lin et al, J. ...
The universities of Virginia and of Texas in the USA have been developing avalanche photodiodes (APDs) based on aluminium indium arsenide antimonide (AlInAsSb) alloys. Two papers from the group detail the implementation of a staircase ...
Researchers in the UK have claimed the first demonstration of laser diodes grown directly on silicon that perform up to 75°C and 120°C under continuous wave (cw) and pulsed operation, respectively [Siming Chen et al, Nature ...
Tags: Quantum dot lasers, GaAs, Silicon substrate, MBE
Keysight Technologies Inc of Santa Rosa, CA, USA (which provides electronic measurement instruments, systems and related software used in the design, development, manufacture, installation, deployment and operation of electronic equipment) ...
Tags: Keysight, oscilloscopes, InP
Researchers in Canada claim the highest reported optical-to-electric power conversion of more than 65% (Figure 1) for a 150W/cm2 (~1500 suns) tuned narrow spectrum input from high-powered laser diodes [S. Fafard et al, Appl. Phys. Lett., ...
Korea University has been working to improve metal contacts on aluminium gallium indium phosphide (AlGaInP) light-emitting diodes (LEDs) [Dae-Hyun Kim et al, Jpn. J. Appl. Phys., vol55, p032102, 2016]. In particular, the research team added ...
Tags: AlGalnP, Tantalum barrier, LED
The open-access paper The role of photonics in energy, authored by a team including Zakya Kafafi of Lehigh University, editor of the Journal of Photonics for Energy, traces the development of the science of light from the Arab scholar Ibn ...
Tokyo-based Solar Frontier says that its CIS (copper indium selenium) thin-film photovoltaic (PV) solar panels have been installed by Kawasaki Kisen Kaisha Ltd (K Line, one of Japan's largest shipping companies) on its newest ...
Tags: PV Panels, solar panels
University of California Santa Barbara (UCSB) in the USA has been developing a hybrid technique to create III-nitride tunnel junctions (TJs) using a combination of metal-organic chemical vapor deposition (MOCVD) and molecular beam epitaxy ...
Tags: Gallium Nitride Tunnel, Hybrid
LightCounting has released a report 'Market Opportunity for Optical Integration Technologies, Including Silicon Photonics' giving an analysis of the potential impact of integration technologies on the market for optical transceiver module ...
Vishay Intertechnology Inc of Malvern, PA, USA has launched a new metal-core-based cool-white LED power module featuring 12 high-brightness LEDs with high luminous flux of 4000lm each at 1A. To simplify designs and manufacturing ...
Tags: Vishay, LED Power Module
Yellow laser diodes with low thesholds have been produced by Jijun Feng (University of Shanghai for Science and Technology, China) and Ryoichi Akimoto (National Institute of Advanced Industrial Science and Technology (AIST), Japan) based on ...
Tags: Yellow lasers BeZnCdSe 560-590nm lasers, Ryoichi Akimoto, Electronics
The imec research center in Belgium has integrated high-mobility indium gallium arsenide (InGaAs) channels into three-dimensional (3D) vertical NAND charge-trap flash memory structures. The research was reported at the International ...
University of Cyprus, Cyprus University of Technology, and University of Crete have been exploring the potential of Frster resonant energy transfer (FRET) from an indium gallium nitride (InGaN) single quantum well (SQW) to a light-emitting ...
Tags: InGaN, InGaN quantum well, FRET
Specialty metal and chemical products firm 5N Plus Inc of Montreal, Québec, Canada has appointed Arjang J. (AJ) Roshan as president & CEO, effective 15 February. He replaces Jacques L’Ecuyer, who co-founded the firm in 2000 and ...