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Browsing MIT Open Access Articles by Title

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  • Kazior, T. E.; LaRoche, J. R.; Urteaga, M.; Bergman, J.; Choe, M. J.; Lee, K. J.; Seong, T.; Seo, M.; Yen, A.; Lubyshev, D.; Fastenau, J. M.; Liu, W. K.; Smith, D.; Clark, D.; Thompson, R.; Bulsara, Mayank; Fitzgerald, Eugene A.; Drazek, C.; Guiot, E. (Institute of Electrical and Electronics Engineers, 2010-10)
    We present recent results on the direct heterogeneous integration of InP HBTs and Si CMOS on a silicon template wafer or SOLES (Silicon On Lattice Engineered Substrate). InP HBTs whose performance are comparable to HBTs ...
  • Shor, Peter W.; Smith, Graeme; Smolin, John A.; Zeng, Bei (Institute of Electrical and Electronics Engineers (IEEE), 2011-10)
    We construct families of high performance quantum amplitude damping codes. All of our codes are nonadditive and most modestly outperform the best possible additive codes in terms of encoded dimension. One family is built ...
  • Cai, Yan; Bessette, Jonathan T.; Kimerling, Lionel C.; Michel, Jurgen; Camacho-Aguilera, Rodolfo Ernesto (American Institute of Physics (AIP), 2012-08)
    The in situ n-type doping of Ge thin films epitaxial grown on Si substrates is limited to 1 × 10[superscript 19] cm[superscript −3] by the phosphorous out-diffusion during growth at 600 °C. By studying the phosphorous ...
  • Wang, Tianyu Tom; Quatieri, Thomas F. (Institute of Electrical and Electronics Engineers, 2009-10)
    This paper considers the problem of obtaining an accurate spectral representation of speech formant structure when the voicing source exhibits a high fundamental frequency. Our work is inspired by auditory perception and ...
  • Munroe, Brian James; Cook, Alan M.; Shapiro, Michael; Temkin, Richard J.; Dolgashev, Valery A.; Laurent, Lisa L.; Lewandowski, James R.; Yeremian, A. Dian; Tantawi, Sami G.; Marsh, Roark A. (American Physical Society, 2013-01)
    An improved single-cell photonic band-gap (PBG) structure with an inner row of elliptical rods (PBG-E) was tested with high power at a 60 Hz repetition rate at X-band (11.424 GHz), achieving a gradient of 128  MV/m at a ...
  • Chen, Minjie; Afridi, Khurram K.; Chakraborty, Sombuddha; Perreault, David J. (Institute of Electrical and Electronics Engineers (IEEE), 2015-09)
    This paper proposes a MultiTrack power conversion architecture that represents a new way of combining switched-capacitor circuits and magnetics. The MultiTrack architecture reduces the voltage ratings on devices, reduces ...
  • Huang, Shu-Wei; Bolger, Jeremy; Eggleton, Benjamin; Moses, Jeffrey; Hong, Kyung-Han; Falcao-Filho, Edilson L.; Benedick, Andrew J.; Kaertner, Franz X. (Institute of Electrical and Electronics Engineers, 2009-08)
    We demonstrate a high-peak-power, 1-kHz, 2.2-mum OPCPA for long-wavelength-driven high harmonic generation that produces 9-GW, 3-optical-cycle, CEP-stabilized pulses, allowing tunneling-ionization-threshold intensity with ...
  • Juodawlkis, Paul W.; Loh, William; O'Donnell, Frederick J.; Brattain, Michael A.; Plant, Jason J. (SPIE, 2010-02)
    For the past several years, we have been developing a new class of high-power, low-noise semiconductor optical gain medium based on the slab-coupled optical waveguide (SCOW) concept. The key characteristics of the SCOW ...
  • Green, Jeremy; Meinel, Stefan; Engelhardt, Michael; Krieg, Stefan F.; Laeuchli, Jesse; Orginos, Kostas; Pochinsky, Andrew; Syritsyn, Sergey; Negele, John W. (American Physical Society, 2015-08)
    We report a direct lattice QCD calculation of the strange nucleon electromagnetic form factors G[s over E] and G[s over M] in the kinematic range 0 ≤ Q[superscript 2] ≲ 1.2  GeV[superscript 2]. For the first time, both G[s ...
  • Burgess, Seth; Bowring, Samuel A. (American Association for the Advancement of Science (AAAS), 2015-08)
    The end-Permian mass extinction was the most severe in the Phanerozoic, extinguishing more than 90% of marine and 75% of terrestrial species in a maximum of 61 ± 48 ky. Because of broad temporal coincidence between the ...
  • Grulkowski, Ireneusz; Liu, Jonathan Jaoshin; Potsaid, Benjamin M.; Jayaraman, Vijaysekhar; Jiang, James; Fujimoto, James G.; Cable, Alex E. (Optical Society of America, 2013-02)
    We demonstrate ultralong-range swept-source optical coherence tomography (OCT) imaging using vertical cavity surface emitting laser technology. The ability to adjust laser parameters and high-speed acquisition enables ...
  • Harris, Eliza; Hoppe, Peter; Ono, Shuhei; Sinha, Barbel (American Chemical Society (ACS), 2013-09)
    This study presents high-precision isotope ratio-mass spectrometric measurements of isotopic fractionation during oxidation of SO[subscript 2] by OH radicals in the gas phase and H[subscript 2]O[subscript 2] and transition ...
  • Lee, Jungchul; Bryan, Andrea Kristine; Manalis, Scott R. (American Institute of Physics (AIP), 2011-02)
    An intrinsic uncertainty in particle mass sensing with the suspended microchannel resonator results from variation in a particle's position near the free end of the resonator. To circumvent this error we employ the second ...
  • Meyer, Harvey B. (American Physical Society, 2009-09)
    We compute the entropy density of the confined phase of QCD without quarks on the lattice to very high accuracy. The results are compared to the entropy density of free glueballs, where we include all the known glueball ...
  • Burgess, Seth D.; Bowring, Samuel A.; Shen, Shu-zhong (National Academy of Sciences (U.S.), 2014-02)
    The end-Permian mass extinction was the most severe loss of marine and terrestrial biota in the last 542 My. Understanding its cause and the controls on extinction/recovery dynamics depends on an accurate and precise age ...
  • Bond, Robert A.; Bliss, Nadya T.; Mullen, Julie; Kepner, Jeremy; Kim, Hahn G.; Reuther, Albert I. (Institute of Electrical and Electronics Engineers, 2009-02)
    In this paper, we explore the ease of tackling a communication-intensive parallel computing task - namely, the 2D fast Fourier transform (FFT). We start with a simple serial Matlab code, explore in detail a ID parallel ...
  • Balewski, Jan T.; Betancourt, Michael Joseph; Corliss, Ross Cameron; Hays-Wehle, James Prewitt; Leight, William Axel; Milner, Richard G.; Redwine, Robert P.; Seele, Joseph Patrick; Steadman, Stephen G.; Surrow, Bernd; van Nieuwenhuizen, Gerrit Jan; Walker, Matthew H. (American Physical Society, 2011-03)
    We present the measurement of nonphotonic electron production at high transverse momentum (pT>2.5  GeV/c) [(p subscript T > 2.5 GeV/c)] in p+p collisions at √s=200  [square root of s=200] GeV using data recorded during ...
  • Tehar-Zahav, Ofer; Sternberg, Zvi; Bafrali, Reha; Meade, Roy; Ram, Rajeev J.; Mehta, Karan Kartik; Orcutt, Jason Scott (Nature Publishing Group, 2014-02)
    Integrated optical resonators are necessary or beneficial in realizations of various functions in scaled photonic platforms, including filtering, modulation, and detection in classical communication systems, optical sensing, ...
  • Ilker, Efe; Berker, A. Nihat (American Physical Society, 2013-03)
    Spin-glass phases and phase transitions for q-state clock models and their q → ∞ limit the XY model, in spatial dimension d = 3, are studied by a detailed renormalization-group study that is exact for the d = 3 hierarchical ...
  • Gnerre, Sante; MacCallum, Iain; Przybylski, Dariusz; Ribeiro, Felipe J.; Burton, Joshua; Walker, Bruce J.; Sharpe, Ted; Hall, Giles; Shea, Terrance P.; Sykes, Sean; Berlin, Aaron M.; Aird, Daniel; Costello, Maura; Daza, Riza; Williams, Louise; Nicol, Robert; Gnirke, Andreas; Nusbaum, Chad; Lander, Eric S.; Jaffe, David B. (National Academy of Sciences, 2010-12)
    Massively parallel DNA sequencing technologies are revolutionizing genomics by making it possible to generate billions of relatively short (~100-base) sequence reads at very low cost. Whereas such data can be readily used ...
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