Center for Quantum Devices

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101.	honoring Manijeh Razeghi recipient of the 2018 Benjamin Franklin Medal in Electrical Engineering The Franklin Institute Awards - April 18, 2018 Leading international scholars are assembled in a symposium dedicated to the technical contributions of Prof. Razeghi, founding Director of Center for Quantum Devices of Northwestern University, for her innovative design of highpower, room temperature THz sources using nonlinear optics, and for developing the epitaxial manufacturing techniques to produce them ... [read more]
102.	'Applied Physics Letters' Publishes New Article Authored by Razeghi & CQD Team Appl. Phys. Lett. 112 - April 2, 2018 Prof. Manijeh Razeghi's research has been published by 'Applied Physics Letters', titled, "Shortwave Quantum Cascade Laser Frequency Comb for Multi-heterodyne Spectroscopy" ... [read more]
103.	Thin-Film Antimonide-Based Photodetectors Integrated on Si IEEE Photonics Society - April 1, 2018 Monolithic integration of antimonide (Sb)-based compound semiconductors on Si is in high demand to enrich silicon photonics by extending the detection range to longer infrared wavelengths. In this paper, we have demonstrated the damage-free transfer of large-area (1×1 cm2 ) narrow-bandgap Sb-based type-II superlattice (T2SL)-based thin-film materials onto a Si substrate using a combination of wafer-bonding and chemical epilayer release techniques. An array of Sb-based T2SL-based long-wavelength infrared (LWIR) photodetectors with diameters from 100 to 400 μm has been successfully fabricated using standard "top–down" processing technique. ... [read more]
104.	A Lifetime of contributions to the world of semiconductors using the Czochralski invention Elsevier Physics‏ @ElsevierPhysics - November 29, 2017 A lifetime of contributions to the world of #semiconductors using the #Czochralski invention ... [read more]
105.	Manijeh Razeghi Receives 2018 Benjamin Franklin Medal Northwestern University Engineering news - November 8, 2017 Northwestern Engineering’s Manijeh Razeghi has received the 2018 Benjamin Franklin Medal in Electrical Engineering from The Franklin Institute, one of the oldest centers for science education and development in the country. Razeghi, who is a Walter P. Murphy Professor of Electrical Engineering in Northwestern’s McCormick School of Engineering, was cited for “the realization of high-power terahertz frequency sources operating at room temperature using specially designed and manufactured semiconductor lasers, which enables a new generation of imagers, chemical and biological sensors, and ultra-broadband wireless communication systems.” ... [read more]
106.	Honoring Manijeh Razeghi, Northwestern University OSA.org/tributes - September 21, 2017 Prof. Manijeh Razeghi has been an inspiration to me since the very first day I met her. She founded an excellent research center, Center for Quantum Devices, at NU, and has already graduated 50+ PhD students within 25 years! I am constantly reminded the research excellence of CQD / NU through their outstanding III-V compound semiconductor device works. I am lucky to be #40th PhD graduate in this line of excellence and am indebted to Prof. Razeghi for her guidance throughout my PhD journey... ... [read more]
107.	AMAZING WOMEN DRIVE INNOVATION IN OPTICS AND PHOTONICS OSA.org/tributes - September 15, 2017 I am extremely greatful to prof. Razeghi as my ph.D advisor. she led me to the exciting realm of quantum cascade lasers. Her vision and experience are the north star that always points me in the right direction. Submitted by Yanbo Bai, COherant Inc. USA ... [read more]
108.	Wenjia Zhou Wins Best Paper Award at SPIE Photonics West 2016 Conference & Best Poster Award at CNST Nanotechnology Workshop SPIE Photonics - April 18, 2017 EECS Ph.D. Student Wenjia Zhou has been awarded the Best Paper Award for his research, titled,"Widely tunable quantum cascade lasers based on the monolithic integration of sampled grating DFB laser array with an on-chip beam combiner" at the SPIE Photonics West 2016 Conference. The event, which focused on the premier technical event and marketplace for thephotonics, biophotonics, and laser industry, was held in San Francisco, CA, on February 13-18, 2016. Additionally, Zhou also received the Best Poster Award for his research, titled,"Monolithic, Widely Tunable Quantum Cascade Laser Source" at the The 14th Annual CNST Nanotechnology Workshop. The was held in Urbana, IL, on May 5-6, 2016. ... [read more]
109.	Romain Chevallier Wins Best Student Oral Presentation Award at 2016 International Semiconductor Device Research Symposium ISDRS 2016 INternational Semiconductor Device Research Symposium - April 13, 2017 The biennial International Semiconductor Device Research Symposium focuses on exploratory research in electronic and photonic materials and devices. Areas such as novel device concepts, processing technologies, advanced modeling, nanotechnology, nanoelectronics, wide band-gap semiconductors, MEMS materials and devices, oxides and dielectrics, organic and polymer opto-electronic materials and devices, ultra high frequency devices & RF effects, flexible and printed electronics, and high power-high temperature devices are included. The Symposium brings together diverse participants in multidisciplinary areas, and provides a forum for extended personal scientific interaction for engineers, scientists, and students working in the field of advanced electronic materials and device technologies. ... [read more]
110.	Atomic Engineering of III-V Semiconductor for Quantum Devices from Deep UV(200nm) up to THZ(300 microns) IEEE Photonics Society - April 5, 2017 This talk will present the latest world-class research breakthroughs at Center for Quantum Devices (CQD) at Northwestern university, that have brought quantum engineering to an unprecedented level, creating light detectors and emitters over an extremely wide spectral range from 0.2 to 300 microns. ... [read more]
111.	Honoring Manijeh Razeghi, Northwestern University Optical Society of America (OSA) - March 25, 2017 Dr. Manijeh Razeghi is an enthusiastic and dedicated scientist with a phenomenal research activity. I have known her for more than 30 years, during which her enthusiasm with photonic devices never faded. She still have the same passion and energy as during her early times with Thomson CSF in Paris. Her technical influence in the field of quantum opto-electronic devices is reaching out to the best institutions across the world, with an incalculable number of graduated students. ... [read more]
112.	Honoring Manijeh Razeghi, Northwestern University Optical Society of America (OSA) - March 24, 2017 Professor Razeghi is the most amazing woman I have ever met. As a Professor and scientist, she has been sharing, teaching and training scientists with passion, generosity and patience. As a human being, she always targets the best and challenges the others to do the same. The beauty of Professor's mind is reflected by the excellence of her achievements. ... [read more]
113.	Honoring Manijeh Razeghi, Northwestern University Optical Society of America (OSA) - March 24, 2017 I had the unique opportunity to have Manijeh as my PhD advisor almost two decades ago. I found her to be the most inspiring and yet demanding person, with an unstoppable dedication to science and education. Over the years, I have met with a lot of inspiring people - both at industry and academia - but no one has come close to Manijeh. ... [read more]
114.	Honoring Manijeh Razeghi, Northwestern University Optical Society of America (OSA) - March 23, 2017 Dr Razeghi is a uniquely inspiring person, with an incredible drive and passion. She knows no obstacles for achieving technological wonders in her laboratory. Her courage, strong will and relentless academic activity are an impressive example for anyone who has a privilege of working under her instruction. I'd like to express to her my deep gratitude for helping me grow as a human being and as a scientist. ... [read more]
115.	Honoring Manijeh Razeghi, Northwestern University Optical Society of America (OSA) - February 23, 2017 - March 22, 2017 I had the chance to have Manijeh as mentor during my PhD, and I got from her many lessons and driving ideas that have guided me through my further career as a scientist and as an innovation director. ... [read more]
116.	Honoring Manijeh Razeghi, Northwestern University Optical Society of America (OSA) - February 23, 2017 - February 23, 2017 I am extremely grateful to Prof. Razeghi as my Ph.D advisor. She led me to the exciting realm of quantum cascade lasers. Undoubtedly, she is the most energetic, optimistic, and passionate person I have known. Together we had countless discussion, debate, and celebration over results that were never believed possible. Her vision and experience are the north star that always points me to the right direction. ... [read more]
117.	Honoring Manijeh Razeghi, Northwestern University Optical Society of America (OSA) - February 23, 2017 Prof. Razeghi has been an inspiration to me professionally and personally, more than a decade now. Every day, I strive to match her energy, her drive for excellence, and her leadership skills. I feel very lucky and fortunate that she is my PhD advisor and am honored to be a colleague of Prof. Razeghi ... [read more]
118.	New Design for Longer Lasting Night-Vision Cameras McCormick Engineering News/ Amanda Morris - February 21, 2017 Northwestern Engineering’s Manijeh Razeghi and her team have developed a new approach to improving the technologies in night-vision cameras — potentially making these all-too-frequent breakdowns a thing of the past. Razeghi’s team developed a breakthrough design of strained-layer indium arsenide/indium arsenide antimonide type-II superlattices, a key component for making high-performance, long-wavelength infrared photodetectors for different applications, including night-vision cameras. “With a special superlattice-based electron barrier, the newly designed photodetector limits the obstructing dark current density, while raising the background limited infrared photodetection temperature,” said Razeghi, Walter P. Murphy Professor of Electrical Engineering and Computer Science in Northwestern’s McCormick School of Engineering. “This enables the infrared cameras to perform imaging at higher operating temperatures and reduces the need for cryogenic cooling power inside the camera.” ... [read more]
119.	Honoring Manijeh Razeghi, Northwestern University Optical Society of America (OSA) - February 15, 2017 Dr Razeghi is a uniquely inspiring person, with an incredible drive and passion. She knows no obstacles for achieving technological wonders in her laboratory. Her courage, strong will and relentless academic activity are an impressive example for anyone who has a privilege of working under her instruction. I'd like to express to her my deep gratitude for helping me grow as a human being and as a scientist. ... [read more]
120.	Certification of Appreciation from Journal of Nanophotonics SPIE - January 26, 2017 Dr. Manijeh Razeghi received a Certificate of Appreciation from the Journal of Nanophotonics for her service as a reviewer for the journal for 2016. ... [read more]
121.	Quantum cascade lasers: from tool to product Opt. Express 23(7), 8462-8475 (2015) - December 21, 2016 OSA's Optics Express publishes some of the most-cited research in optics and photonics. In fact, with 84,397 Total Citations in 2015, it is ranked the 2nd most cited Journal out of 90 journals in the Optics Category, according to the 2015 Journal Citation Reports® (Thomson Reuters, 2016). It is also ranked #2 in the Google Scholar Optics & Photonics Category (h5-index 105). ... [read more]
122.	Razeghi Featured in McCormick Fall Newsletter McCormick Research Newsletter, Fall 2016 - October 15, 2016 Center for Quantum Devices Director Manijeh Razeghi was featured in the Fall Newsletter of the McCormick School of Engineering and Applied Science. This fall she won the Czochralski Gold Medal in recognition of her life's work in the area of material science. ... [read more]
123.	Dr Abbas Haddadi Receives 2016 International Institute for Nanotechnology (IIN) Outstanding Researcher Award 2016 IIN Symposium - October 6, 2016 Dr Abbas Haddadi has received 2016 International Institute for Nanotechnology (IIN) Outstanding Researcher Award. The award is given to the researchers who have made exceptional contributions to the nanotechnology research effort over the past year. ... [read more]
124.	Manijeh Razeghi Receives Jan Czochralski Gold Medal McCormick Engineering News/ Amanda Morris - September 12, 2016 Northwestern Engineering’s Manijeh Razeghi has received the Jan Czochralski Gold Medal from the European Materials Research Society. The award recognizes her life achievements in the field of advanced materials science. An expert in quantum devices, Razeghi will be presented with the award and will deliver a plenary talk at the Society’s fall meeting on Wednesday, September 21 in Warsaw, Poland. “It took decades for the scientific community to recognize the importance of Jan Czochralski’s work,” said Razeghi, Walter P. Murphy Professor of Electrical Engineering and Computer Science in Northwestern’s McCormick School of Engineering. “On the 100th anniversary of his discovery, I am particularly proud to receive this award for my contributions to semiconductor quantum materials and devices. We can see the results of Czochralski’s science in almost every electronic and photonic device that we encounter. Even the first light-emitting diode would not have been successful without the high-quality substrates produced with the Czochralski Method.” ... [read more]
125.	Widely tunable MIR QCL eyed for spectroscopy, chemical sensing flhotonlcs Spectra 29 - August 15, 2016 A broadband-tunable IR laser has demonstrated the ability to capture the unique spectral fingerprints of gases. The monolithic laser technology is compact, and is expected to have applications in spectroscopy and chemical sensing. The laser only has one moving part-a fan for cooling purposes -which Northwestern University professor Manijeh Razeghi cited as a major advantage over existing systems. Most such lasers require mechanical parts to achieve tuning. It operates in the 6.2-to 9.1-µm wavelength range with a single emitting aperture by integrating an 8-laser sampled grating distributed feedback laser array with an on-chip beam combiner, and its gain medium is based on a 5-core heterogeneous quantum cascade laser wafer. ... [read more]

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