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Browsing MIT Open Access Articles by Title

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  • Chan, Vincent W. S. (Institute of Electrical and Electronics Engineers, 2009-08)
    Present-day networks are being challenged by dramatic increases in bandwidth demand of emerging applications. We will explore a new transport, ldquooptical flow switchingrdquo, that will enable significant growth and ...
  • Chan, Vincent W. S.; Ganguly, Anurupa R.; Weichenberg, Guy Elli (Institute of Electrical and Electronics Engineers, 2010-03)
    This paper focuses on the design and analysis of scheduling approaches for Optical Flow Switching (OFS) serving high performance applications with very stringent time deadline constraints. In particular, we attempt to meet ...
  • Jia, Lin; Thomas, Edwin L. (American Physical Society (APS), 2011-09)
    By combining the Maxwell stress tensor with the finite-difference time-domain (FDTD) method, we calculate the optical force and optical torque on particles from optical lattices. We compare our method to the two-component ...
  • Liu, Jifeng; Sun, Xiaochen; Camacho-Aguilera, Rodolfo Ernesto; Cai, Yan; Kimerling, Lionel C.; Michel, Jurgen (Institute of Electrical and Electronics Engineers (IEEE), 2010-07)
    We present theoretical modeling and experimental results of optical gain and lasing from tensile-strained, n[superscript +] Ge-on-Si at room temperature. Compatible with silicon CMOS, these devices are ideal for large-scale ...
  • Liu, Jifeng; Sun, Xiaochen; Kimerling, Lionel C.; Michel, Jurgen (2009-09)
    We report direct band gap optical gain of tensile strained n+ epitaxial Ge-on-Si at room temperature, which confirms that band-engineered Ge-on-Si is a promising gain medium for monolithic optical amplifiers and lasers on Si.
  • Andrieu, S.; Klieber, Christoph; Nelson, Keith Adam; Pezeril, Thomas (American Physical Society, 2009-03)
    Picosecond laser ultrasonic techniques for acoustic wave generation and detection have been employed to probe shear acoustic waves in liquid glycerol at gigahertz frequencies. The experimental approach uses a unique laser ...
  • Kim, Joseph J.; Bennett, Neal K.; Devita, Mitchel S.; Chahar, Sanjay; Viswanath, Satish; Lee, Eunjee A.; Shao, Paul P.; Childers, Erin P.; Liu, Shichong; Garcia, Benjamin A.; Becker, Matthew L.; Hwang, Nathaniel S.; Madabhushi, Anant; Verzi, Michael P.; Moghe, Prabhas V.; Jung, Giyoung; Kulesa, Anthony Benjamin (Nature Publishing Group, 2017-01)
    While distinct stem cell phenotypes follow global changes in chromatin marks, single-cell chromatin technologies are unable to resolve or predict stem cell fates. We propose the first such use of optical high content ...
  • Liske, Holly; Towne, Chris; Anikeeva, Polina Olegovna; Zhao, Shengli; Feng, Guoping; Deisseroth, Karl; Delp, Scott (Wiley-VCH Verlag GmbH & Co., 2013-06)
    Introduction: There is no therapeutic approach that provides precise and rapidly reversible inhibition of motor nerve and muscle activity for treatment of spastic hypertonia. Methods: We used optogenetics to demonstrate ...
  • McDonald, Michael A. (Institute of Physics/American Astronomical Society, 2011-12)
    In recent years the number of known galaxy clusters beyond z gsim 0.2 has increased drastically with the release of multiple catalogs containing >30,000 optically detected galaxy clusters over the range 0 < z < 0.6. Combining ...
  • Hu, Juejun; Feng, Ning-Ning; Agarwal, Anuradha Murthy; Kimerling, Lionel C.; Carlie, Nathan; Petit, Laeticia; Richardson, Kathleen (Institute of Electrical and Electronics Engineers, 2009-08)
    A rapid thermal reflow technique is applied to high-index-contrast, sub-micron waveguides in As[subscript 2]S[subscript 3] chalcogenide glass to reduce sidewall roughness and associated optical scattering loss. Up to 50% ...
  • Han, Grace; Li, Huashan; Grossman, Jeffrey C. (Nature Publishing Group, 2017-11)
    Thermal energy storage offers enormous potential for a wide range of energy technologies. Phase-change materials offer state-of-the-art thermal storage due to high latent heat. However, spontaneous heat loss from thermally ...
  • Zhang, Hongkang; Werley, Christopher A.; Cohen, Adam E.; McNamara, Harold Michael (American Physical Society, 2016-07)
    Complex electrical dynamics in excitable tissues occur throughout biology, but the roles of individual ion channels can be difficult to determine due to the complex nonlinear interactions in native tissue. Here, we ask ...
  • Hsu, Chia Wei; Miller, Owen D.; Yang, Yi; Zhen, Bo; Soljacic, Marin; Joannopoulos, John (American Chemical Society (ACS), 2016-05)
    Plasmonics enables deep-subwavelength concentration of light and has become important for fundamental studies as well as real-life applications. Two major existing platforms of plasmonics are metallic nanoparticles and ...
  • Barry, John F.; Turner, Matthew J.; Glenn, David R.; Song, Yuyu; Lukin, Mikhail D.; Park, Hongkun; Walsworth, Ronald L.; Schloss, Jennifer May (National Academy of Sciences (U.S.), 2016-11)
    Magnetic fields from neuronal action potentials (APs) pass largely unperturbed through biological tissue, allowing magnetic measurements of AP dynamics to be performed extracellularly or even outside intact organisms. To ...
  • Radisic, Milica; Fast, Vladimir G.; Sharifov, Oleg F.; Iyer, Rohin K.; Park, Hyoungshin; Vunjak-Novakovic, Gordana (Mary Ann Liebert, Inc., 2009-07)
    Cardiac tissue engineering has a potential to provide functional, synchronously contractile tissue constructs for heart repair, and for studies of development and disease using in vivo–like yet controllable in vitro settings. ...
  • Byun, HeeSu; Hillman, Timothy R.; Higgins, John M.; Diez-Silva, Monica; Peng, Zhangli; Dao, Ming; Suresh, Subra; Park, YongKeun; Dasari, Ramachandra Rao (Elsevier, 2012-07)
    Sickle cell disease (SCD) is characterized by the abnormal deformation of red blood cells (RBCs) in the deoxygenated condition, as their elongated shape leads to compromised circulation. The pathophysiology of SCD is ...
  • Grzegorczyk, Tomasz M.; Rohner, Johann; Fournier, Jean-Marc (American Physical Society, 2014-01)
    Trapping of mesoscopic particles by optical forces usually relies on the gradient force, whereby particles are attracted into optical wells formed by landscaping the intensity of an optical field. This is most often achieved ...
  • Wang, Z.; Tziamtzis, A.; Kaplan, D. L.; Chakrabarty, Deepto (CSIRO Publishing, 2015-10)
    The X-ray binary 4U 1543–624 has been provisionally identified as an ultra-compact system with an orbital period of ≃ 18 min. We have carried out time-resolved optical imaging of the binary to verify the ultra-short orbital ...
  • Wen, Xiaolei; Srisungsitthisunti, Pornsak; Xu, Xianfan; Traverso, Luis M.; Moon, Euclid Eberle (Springer Berlin Heidelberg, 2014-01)
    We report optical parallel nanolithography using bowtie apertures with the help of the interferometric-spatial-phase-imaging (ISPI) technique. The ISPI system can detect and control the distance between the bowtie aperture, ...
  • Ekşioğlu, Yasa; Petráček, Jiří; Cetin, Arif Engin (Springer US, 2015-10)
    Nanohole arrays in metal films allow extraordinary optical transmission (EOT); the phenomenon is highly advantageous for biosensing applications. In this article, we theoretically investigate the performance of refractive ...
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