251. | Growth on GaN Improves Properties of UV LEDs Compound Semiconductor - November 1, 2001 Researchers at Northwestern University have made the first report of significant improvements to the electrical and optical properties of 340 nm UV LEDs through growth onto free-standing GaN substrates. ... [read more] |
252. | InAs/GaSb Type-II Superlatices: New Possibilities for Infrared Photon Sensing Mid-Infrared Network Newsletter - October 1, 2001 High performance III-V long wavelength detectors have been designed and demonstrated by the Center for Quantum Devices, with potential for use in focal plane array applications. The devices were based on InAs/GaAs superlattices grown on GaAs and GaSb substrates by MBE. ... [read more] |
253. | Blue Again Photonics Spectra - January 1, 2001 ... [read more] |
254. | Manijeh Razeghi OE Reports - August 1, 2000 Manijeh Razeghi is recognized for significantly advancing growth and characterization techniques for III-V and II-VI semiconductor structures for photonic and electronic devices. ... [read more] |
255. | Researchers Aspire Towards Artificial Eyes Laser Focus World - June 1, 2000 Researchers are Northwestern University are developing "artificial eyes" based on multispectral quantum well infrared photodetectors (QWIPs). ... [read more] |
256. | My Genius Students Northwestern - May 1, 2000 Professor Manijeh Razeghi: Whom do you admire? My genius students; Which talent would you most like to have? To be a good teacher, leader, and role model for young scientist; Which trait to you admire most in others? I admire people with principles, who are eager and curious to understand science. ... [read more] |
257. | Manijeh Razeghi Northwestern Perspective - April 1, 2000 Manijeh Razeghi is the Walter P. Murphy Professor of Electrical Engineering and computer Science and Center for Quantum Devices director, and Society of Women Engineers 1995 Achievement Awardee. ... [read more] |
258. | Future So Blue BMDO Update - April 1, 2000 The Center for Quantum Devices at Northwestern University has taken a significant step towards overcoming the limitations imposed by a sapphire substrate. They have designed a very simple structure that uses a GaInN/GaN multi-quantum well rather than AlGaN layers. ... [read more] |
259. | Aluminum Gallium Nitride Photodiodes are Blind above 275 nm Laser Focus World - March 1, 1999 There is great interest in solar-blind ultraviolet photon detectors, especially in the military, which could use such detectors for tracking missile launches. The best material for building such devices are compounds of aluminum gallium nitride (AlGaN ... [read more] |
260. | Diode Laser Turns Up the Power in the Mid-IR Photonics Spectra - February 1, 1999 Research at Northwestern University has introduced new options for semiconductor lasers operating in the mid-infrared range. ... [read more] |