Light-emitting diodes with emission wavelengths less than 400 nm have been developed using the AlInGaN material system. For devices operating at shorter wavelengths, alloy …
MA Khan, M Shatalov, HP Maruska… - Japanese journal of …, 2005 - iopscience.iop.org
The need for efficient, compact and robust solid-state UV optical sources and sensors had stimulated the development of optical devices based on III–nitride material system. Rapid …
H Hirayama - Journal of Applied Physics, 2005 - pubs.aip.org
In order to realize 250–350-nm-band high-efficiency deep ultraviolet (UV) emitting devices using group-III-nitride materials, it is necessary to obtain high-efficiency UV emission from …
K Mayes, A Yasan, R McClintock, D Shiell… - Applied physics …, 2004 - pubs.aip.org
We demonstrate high-power AlGaN-based ultraviolet light-emitting diodes grown on sapphire with an emission wavelength of 280 nm using an asymmetric single-quantum-well …
Solid-state light sources emitting at wavelengths less than 300nm would enable technological advances in many areas such as fluorescence-based biological agent …
A Yasan, R McClintock, K Mayes, D Shiell… - Applied Physics …, 2003 - pubs.aip.org
We demonstrate 4.5 mW output power from AlGaN-based single quantum well ultraviolet light-emitting diodes at a very short wavelength of 267 nm in pulsed operation mode. The …
JP Zhang, MA Khan, WH Sun, HM Wang… - Applied Physics …, 2002 - pubs.aip.org
In this letter, we report the pulsed atomic-layer epitaxy of ultrahigh-quality AlN epilayers and AlN/Al 0.85 Ga 0.15 N multiple quantum wells (MQWs) on basal plane sapphire substrates …
A Yasan, R McClintock, K Mayes, DH Kim… - Applied physics …, 2003 - pubs.aip.org
We investigated optical properties of single quantum well AlGaN-based UV 280 nm light- emitting diodes using temperature-dependent photoluminescence (PL) measurement. We …