Center for Quantum Devices

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251.	Boston Laser Moved to Upstate NY Compound Semiconductor - July 1, 2003 After accumulating at least $20 million in losses as a public company SLI was under Chapter-11 bankruptcy. The bankruptcy court approved the sale of SLI's assets to Boston Laser for $1.5 million. As part of this acquisition, Boston Laser took over an exclusive license to Northwestern University's patents for Al-free laser diodes. ... [read more]
252.	WiO Speakers Share Insights on Science Policy, Career Success Women in Optics - April 1, 2003 Professor Manijeh Razeghi, Director of the Center for Quantum Devices at Northwestern University, provided an insightful look into her roles in the important discovery of new Al-free material systems used in high-power laser design. ... [read more]
253.	Quantum Leaps OE magazine - December 1, 2002 In addition to her work at Wright Patterson AFB, Dr. Gail Brown is an adjunct professor at Northwestern University. In this role she works with Professor Manijeh Razeghi to advise students on their theses, attends their thesis defenses as a committe member, and conducts joint research with them. ... [read more]
254.	Mid-IR Quantum Cascade Laser Produces 3.5 W at Room-Temperature Photonics Spectra - July 1, 2002 Researchers at Northwestern University have demonstrated an InP-based quantum cascade laser (QCL) that produces 3.5 W of power of 9 μm-radiation at room temperature. ... [read more]
255.	Hooding Cerimony 2002 ECE News - June 1, 2002 Professor Manijeh Razeghi and other ECE faculty attended the 2002 hooding of Dr. Steve Slivken and Dr. Brett Lane. ... [read more]
256.	Sensitive GaInAs/InP QWIPs Grown on Silicon Compound Semiconductor - May 1, 2002 Quantum-well infrared photodetectors (QWIPs) are of interest for many commercial, industrial, and military applications. A team at Northwestern University has published an in situ thermal annealing technique that reduces the dislocation density when growing these devices ... [read more]
257.	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]
258.	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]
259.	Blue Again Photonics Spectra - January 1, 2001 ... [read more]
260.	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]
261.	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]
262.	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]
263.	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]
264.	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]
265.	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]
266.	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]
267.	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]
268.	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]
269.	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]
270.	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]
271.	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]
272.	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]
273.	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]
274.	High Power InAsSb/InAsSbP laser Diodes Emitting in the 3 - 5 &mum Range Research Hilights or the Physics Division - January 1, 1998 Mid-infrared laser diodes (λ = 3 to 5 μm) are the attractive source for a wide range of applications ranging from chemical spectroscopy to free-space and optical fiber communication. ... [read more]
275.	Record Calimed by Al-free Laser Electron Materials Technology News - December 1, 1997 Researchers at Northwestern University's Center for Quantum Devices are claiming the longest lifetime ever achieved for any high-power (more than 1 W) laser diode operated at high temperature (-60Â°C) with uncoated facets. ... [read more]

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