Recent progress of electrically pumped AlGaN diode lasers in the UV-B and-C bands

SMN Hasan, W You, MSI Sumon, S Arafin - Photonics, 2021 - mdpi.com
The development of electrically pumped semiconductor diode lasers emitting at the
ultraviolet (UV)-B and-C spectral bands has been an active area of research over the past …

Ultraviolet optoelectronic devices based on AlGaN alloys grown by molecular beam epitaxy

TD Moustakas - MRS Communications, 2016 - cambridge.org
This paper reviews progress in ultraviolet (UV) optoelectronic devices based on AlGaN films
and their quantum wells (QWs), grown by plasma-assisted molecular beam epitaxy. A …

Optical and structural properties of AlN ceramics irradiated with heavy ions

A Kozlovskiy, I Kenzhina, ZA Alyamova, M Zdorovets - Optical Materials, 2019 - Elsevier
The paper presents the results of studying the effect of irradiation with 85 MeV Fe 7+ ions on
the optical and structural properties of nitride ceramics at an irradiation temperature of 300 …

Performance characteristics of UV-C AlGaN-based lasers grown on sapphire and bulk AlN substrates

M Martens, F Mehnke, C Kuhn, C Reich… - IEEE Photonics …, 2013 - ieeexplore.ieee.org
The performance characteristics of optically pumped laser heterostructures emitting in the
UV-C spectral range between 272 and 279 nm are investigated. The laser heterostructures …

Deep-UV nitride-on-silicon microdisk lasers

J Selles, C Brimont, G Cassabois, P Valvin, T Guillet… - Scientific Reports, 2016 - nature.com
Deep ultra-violet semiconductor lasers have numerous applications for optical storage and
biochemistry. Many strategies based on nitride heterostructures and adapted substrates …

[HTML][HTML] An AlGaN tunnel junction light emitting diode operating at 255 nm

A Pandey, J Gim, R Hovden, Z Mi - Applied Physics Letters, 2020 - pubs.aip.org
We report on the demonstration of high-performance tunnel junction deep ultraviolet (UV)
light-emitting diodes (LEDs) by using plasma-assisted molecular beam epitaxy. The device …

[HTML][HTML] Electron overflow of AlGaN deep ultraviolet light emitting diodes

A Pandey, J Gim, R Hovden, Z Mi - Applied Physics Letters, 2021 - pubs.aip.org
We have studied the design, epitaxy, and performance characteristics of deep ultraviolet
(UV) AlGaN light emitting diodes (LEDs). By combining the tunnel junction and polarization …

Band gap bowing and optical polarization switching in Al Ga N alloys

C Coughlan, S Schulz, MA Caro… - physica status solidi …, 2015 - Wiley Online Library
We present a detailed theoretical study of the band gap bowing of wurtzite AlGaN alloys
over the full composition range. Our theoretical framework is based on an atomistic tight …

[HTML][HTML] MBE growth and donor doping of coherent ultrawide bandgap AlGaN alloy layers on single-crystal AlN substrates

K Lee, R Page, V Protasenko, LJ Schowalter… - Applied Physics …, 2021 - pubs.aip.org
Single-crystal Aluminum Nitride (AlN) crystals enable the epitaxial growth of ultrawide
bandgap Al (Ga) N alloys with drastically lower extended defect densities. Here, we report …

Bandgap and refractive index estimates of InAlN and related nitrides across their full composition ranges

SN Alam, VZ Zubialevich, B Ghafary, PJ Parbrook - Scientific Reports, 2020 - nature.com
III-Nitride bandgap and refractive index data are of direct relevance for the design of (In, Ga,
Al) N-based photonic and electronic devices. The bandgaps and bandgap bowing …