The Center for Quantum Devices in the News by    
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221.  
Are Laser Manufacturers Blue with Envy?
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]
 
222.  
My Genius Students
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]
 
223.  
As Companies Race toDevelop the Blue Laser, Universities Join the Game
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]
 
224.  
High Power InAsSb/InAsSbP laser Diodes  Emitting in the 3 - 5 &mum Range
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]
 
225.  
Record Calimed by Al-free Laser
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 (-60°C) with uncoated facets. ... [read more]
 
226.  
Sharper Imaes Thanks to Bigger Substrates
Sharper Imaes Thanks to Bigger Substrates
Inside R & D - November 12, 1997
A group at Northwestern University's Center for Quantum Devices has pushed the envelope by marrying higher quality, more uniform, cheaper and larger GaAs substrates with InSb films. ... [read more]
 
227.  
Northwestern Team Produces Quantum Cascade Laser
Northwestern Team Produces Quantum Cascade Laser
Optics and Photonics News - November 1, 1997
Using a single-step Growth process, Northwestern University researchers have produced room-temperature 8.5 μmm quantum cascade lasers (QCL). The lasers produce 1 μsec pulses at 200 Hz with a peak output power of more than 700 mW at 79K, and 25 mW at 300 K. ... [read more]
 
228.  
Researchers Demonstrate High-Power, Aluminum-free Mid-IR Laser
Researchers Demonstrate High-Power, Aluminum-free Mid-IR Laser
Photonics Spectra - October 1, 1997
Scientist at the Center for Quantum Devices have demonstrated and Al-free laser diode that emits up to 3 W at 3.2 μm. In comparison, similar Al-Free diode lasers have a maximum output of 100 mW, according to the center's director Dr. Manijeh Razeghi. ... [read more]
 
229.  
Northwestern Pushes Nitirde Research
Northwestern Pushes Nitirde Research
Electron Materials Technology News - September 1, 1997
Northwestern University's Center for Quantum Devices investigated ternary AlInN grown by MOCVD. They found the material to have a band-gap energy of 5.26 eV, (higher than previously reported) for a composition of Al0.92In0.08N ... [read more]
 
230.  
Single-Step QC Laser Emits at 8.5 μm
Single-Step QC Laser Emits at 8.5 μm
Photonics Spectra - August 1, 1997
In the latest development in quantum cascade laser (QCL) research a group of Northwestern University scientist reported an 8.5-μm emission from a QCL grown in a single step by gas-source MBE. ... [read more]
 

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