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Director Steve Brueck. Center For High Technology Materials, MSC04-2710, 1313 Goddard SE, Albuquerque NM 87106. Ph: (505) 272-7800 Fx: (505) 272-7801
CHTM Calendar INCBN IGERT will sponsor three seminars by Paul Harrington - "A Bayesian Fitting Approach to Nanoscale Localization Microscopy", Bayo Falase - "Biocompatible Nano-Patterned Scaffolds for Drug Delivery and Cell Culture" and Larry Herskowitz - "Shotgun Chromatin Mapping" on Thursday May 15th at 2:30pm in room 101 at CHTM. more... Please send calendar items early to: webmaster. CHTM NEWS Congratulations to Sanjay Krishna for his 2008 Early Career Achievement Award winner in recognition of his tremendous contributions to the development of mid-infrared focal plane arrays using self-assembled quantum dots in a well (DWELL) design.  News release...     SPIE annoucement... Professor Steve Hersee's work in GaN nanowires and collaboration with New Mexico Start-up Nanocrystal LLC, is featured in this week's New Mexico Business Weekly. Patent Number 7,329,871 B2 has been issued for "Plasmonic Enhanced Infrared Detector Element", as of February 12, 2008.  more... Patent Number 7,327,924 B2 has been issued for a "Generalized Transverse Bragg Waveguide" as of February 5, 2008.  more... Patent Number 7,282,732 B2 has been issued for "Quantum Dot Structures" as of October 16, 2007.  more... Mr Ashwin K Rishinaramangalam been selected as the "Outstanding Graduate" of the Department of Electrical and Computer Engineering" for 2007.  Ashwin is developing GaN nanowire-based devices as an RA in Professor Hersee's group. Patent Number 7,288,423 B2 has been issued for "In-Situ Mask Removal in Selective Area Epitaxy Using Metal Organic Chemical Vapor Deposition" as of October 30, 2007.  more... "Intersubband detector with avalanche multiplier region" has filed Patent No 7,271,405 for Sanjay Krishna, John David, Majeed Hayat.  The patent was filed September 18, 2007.  more... "Quantum dot structures" has received Patent No 7,282,732 for Allen Gray, Andreas Stintz, Kevin Malloy, Luke Lester, and Petros Varangis; the patent was issued October 16, 2007.  more... Congratulations to Sanjay Krishna who received the 2007 Young Investigator Award presented by the North American Molecular Beam Epitaxy (NAMBE) Advisory Board during the NAMBE 2007's Conference hosted in Albuquerque, New Mexico.  more... "Detector with Tunable Spectral Response" has received Patent No 7,217,951 for Sanjay Krishna, Majeed Hayat, Sunil Raghavan, Unal Sakoglu and J Tyo; the patent was issued May 15, 2007.  Click here for more.     Arthur H Guenther, ECE Research Professor Emeritus at CHTM, passed away April 21, 2007.  Art Guenther was a worldwide ambassador for optics and his impact on our community was vast.  Click here for a synopsis of his many contributions. Congratulations to Profs Sanjay Krishna, Majeed Hayat and Scott Tyo for receiving a medal (pictured) from the National Consortium for Measures and Signatures Intelligence (MASINT) Research for their collaborative project entitled "Quantum-dot sensors for MASINT applications." "Micromachined piconewton force sensor for biophysics investigations", a recent paper by Dr. Steve Koch and his collaborators at Sandia National Labs, has been featured in the December 28, 2006 "Physics News Update" published by the American Institute of Physics. Read the article here. Congratulations to Dr Brueck on his promotion to UNM Distinguished Professor; he is the first person within the School of Engineering to acquire this status and joins the ranks of just 23 other UNM faculty. [more] "Forward-Thinker Builds Bridges to the Future" is an interview with Dr Steve Brueck by Dr Milton Chang in the September 2006 issue of Photonics Spectra. Read the complete article. "SILICON PHOTONICS: Race heats up for the silicon laser" is an online article by Hassaun A Jones-Bey for Laser Focus World describing some of the cutting-edge CMOS processing work being performed at CHTM by Dr Huffaker and her group. Read the complete article. Congratulations to Prof Jean-Claude Diels for being selected as the 2006 recipient of the Engineering Excellence Award by the Optical Society of America (OSA).  Letter of notification. A recent paper describing research at CHTM on The Controlled Growth of GaN Nanowires has just been highlighted in Nature Nanotechnology. (http://www.nature.com/nnano/reshigh/2006/0806/full/nnano.2006.35.html). This work is a collaboration between the research groups of Professors Stephen Hersee and Steve Brueck and is funded by DARPA/ARL.. Nanowerk spotlight shines on CHTM with their web-article "Lithographically Defined Self-Assembled Nanoparticle Films" NEWS ARCHIVES		New CHTM Publications H Kim, E Plis, J Rodriguez, G Bishop, Y Sharma, L Dawson, S Krishna J Bundas, R Cook, D Burrows, R Dennis, K Patnaude, A Reisinger, and M Sundaram "Mid-IR focal plane array based on type-II InAs/GaSb strain layer superlattice detector with nBn design" Applied Physics Letters 92, 183502 (2008) A Neumann, Y Kuznetsova and SRJ Brueck Structured Illumination for the Extension of Imaging Interferometric Microscopy Optics Express 16, 6785-6793 (2008) L Xue, SRJ Brueck and R Kaspi High-Power Continuous-Wave Single-Longitudinal- Mode Operation of an Optically Pumped DFB Laser at l ~3.64 µm IEEE Photonics Technology Letters, Vol 20, No 9, May 1, 2008 R Bhat, N Panoiu, S Brueck and R Osgood, Jr. "Enhancing the Signal-to-Noise Ratio of an Infrared Detector with a Circular Metal Grating" Optics Express 16, 4588-4596 (2008) V Kubecek, W Zendzian, JK Jabczynski, J Kwiatkowski, H Jelinkova, A Stintz and JC Diels "Side pumped Nd : YAG slab laser mode-locked using multiple quantum well saturable absorbers" Laser Physics Letters 5(1), 29-33 (2008) D Xia, Z Ku, D Li and SRJ Brueck "Formation of Hierarchical Nanoparticle Pattern Arrays with Colloidal Lithography and Two-Step Self-Assembly: Microspheres atop Nanospheres" Chemistry of Materials, 20, 1847-1854 (2008) Y Kuznetsova, A Neumann and SRJ Brueck "Imaging interferometric microscopy" J Opt Soc Am A, Vol 25, No 3, March 2008 A Raub, Dong Li, A Frauenglass and S Brueck "Fabrication of 22-nm Half-Pitch Silicon Lines by Single-Exposure Self-Aligned Spatial-Frequency Doubling" Jour. Vac. Sci. Tech. B25, 2224-2227 (2007) Y-J. Oh, T Gamble, D Leonhardt, C-H. Chung, S Brueck, C Ivory, G Lopez, D Petsev and S Han "Monitoring FET Flow Control and Wall Adsorption of Charged Fluorescent Dye Molecules in Nanochannels Integrated into a Multiple Internal Reflection Infrared Waveguide" Lab on a Chip 8, 251-258 (2008). W Pan, S Lyo, J Reno, J Simmons, D Li and S Brueck "Negative Differential Conductance in Two-Dimensional Electron Grids" Applied Physics Letters 92, 052104 (2008) A Zilkie, J Meier, M Mojahedi, P Poole, P Barrios, D Poitras, T Rotter, C Yang, A Stintz, K Malloy, P Smith and S Aitchison "Carrier dynamics of quantum-dot, quantum-dash, and, quantum-well semiconductor optical amplifiers operating at 1.55 mm" IEEE Journal Quantum Electronics 43 (11-12), 982-991, Nov-Dec 2007 R Prasankumar, R Attaluri, R Averitt1, J Urayama, N Weisse-Bernstein, P Rotella, A Stintz, S Krishna and A Taylor "Ultrafast carrier dynamics in an InAs/InGaAs quantum dots-in-a-well heterostructure" 21 January 2008 / Vol 16, No 2 / Optics Express 1173 S Lee, D Huffaker and S Brueck "Faceting of a Quasi-Two-Dimensional GaAs Crystal in Nanoscale Patterned Growth" Applied Physics Letters 92, 023103 (2008) T Rao, J Antoszewski L Faraone, J Rodriguez, E Plis and S Krishna "Characterization of carriers in GaSb/InAs superlattice grown on conductive GaSb substrate" Applied Physics Letters 92, 012121 (2008) A Khoshakhlagh, J Rodriguez, E Plis, G Bishop, Y Sharma, H Kim, L Dawson and S Krishna "Bias dependent dual band response from InAs/Ga(In)Sb type II strain layer superlattice detectors" Applied Physics Letters 91, 263504 (2007) A Martinez, Y Li and L Lester "Microwave frequency characterization of undoped and p-doped quantum dot lasers" Applied Physics Letters 90, 251101 (2007) R Laghumavarapu, M El-Emawy, N Nuntawong, A Moscho, L Lester and D Huffaker "Improved device performance of InAs/GaAs quantum dot solar cells with GaP strain compensation layers" Applied Physics Letters 91, 243115 (2007) H Cao, N Withers, G Smolyakov and M Osinski “Microwave frequency beating between monolithically integrated quantum-dot ring lasers” Electronics Letters, vol 43, no 25, pp 1456-1458, 6 Dec 2007 B Liang, P Wong, N Nuntawong, A Albrecht, J Tatebayashi, T Rotter, G Balakrishnan and D Huffaker "Optical properties of patterned InAs quantum dot ensembles grown on GaAs nanopyramids" Applied Physics Letters 91, 243106, (2007) M Ferdous, X Wang, M Fairchild and S Hersee "Effect of threading defects on InGaN/GaN multiple quantum well light emitting diodes" Applied Physics Letters 91, 231107, (2007) Archived Recent CHTM Publications Please send your new publications to: webmaster.