241.
| 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]
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242.
| 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]
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243.
| 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]
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244.
| Team Builds More Efficient Quantum Cascade Laser
Photonics Spectra - February 1, 1999
From chemical spectroscopy to free-space optical communications, a growing number of applications can benefit from lasers emitting in the IR between 8 and 12 μm. In recent years, many have looked closely at quantum cascade lase technology for these types of applications. ... [read more]
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245.
| Indium Phosphide-Based Photodetectors Sense Longer Wavlengths
Laser Focus World - December 1, 1998
Researchers at Northwestern University and Wright Patterson Air Force Base have demonstrated quantum-well infrared photodetectors (QWIPs) for wavlengths between 8 and 20 μm using lattice-matched InGaAlAs-InP. ... [read more]
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246.
| Northwestern Reports High-Power Laser Emission
Optics and Photonics News - October 1, 1998
Researchers at Northwestern University's Center for Quantum Devices recently reported high-power laser emission at 3.4 μm, up to 6.7 W in pulse operation, from AlAsSb/InAsSb/InPAsSb/InAs semiconductor laser diodes. ... [read more]
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247.
| Scientists Unveil High-Power Mid-IR Laser
Photonics Spectra - October 1, 1998
In the latest development from the Center for Quantum Devices at Northwestern University, researchers have reported developing a high-power mid-IR laser emitting at 3.4 μm. ... [read more]
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248.
| Are Laser Manufacturers Blue with Envy?
Photonics Spectra - May 1, 1998
Some say Nichia is two years ahead of the pack, but that may not be true. Researchers at the Center for Quantum Devices have demonstrated continuous wave room temperature operation of InGaN/GaN multiple quantum well lasers. ... [read more]
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249.
| My Genius Students
Northwestern - May 1, 1998
Manijeh Razeghi: Whom do you most admire? My genius Students; What Inspires you most? The mystery of our own human minds and bodies and the whole nature surrounding us; Which talent would you most like to have? TO be a good teacher, leader, and role model to young students. ... [read more]
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250.
| As Companies Race toDevelop the Blue Laser, Universities Join the Game
Optics and Photonics News - January 10, 1998
Nichia Chemicals Industry Ltd. is still setting the pace, but more companies and universities are heating up the competition. This includes promising new research coming from Northwestern University's Center for Quantum Devices. ... [read more]
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Address: Center for Quantum Devices; 2220 Campus Drive RM 4051; Evanston, IL 60208-0893
Phone: (847) 491-7251
Email: razeghi@northwestern.edu