Now showing items 8-27 of 32185

    • 1 ghz femtosecond erbium-doped fiber lasers 

      Sander, Michelle Yen-Ling; Chang, Guoqing; Byun, Hyunil; Morse, Jonathan Lee; Chao, David; e.a. (Optical Society of America, 2010-05)
      Saturable Bragg reflector (SBR) mode-locked Er-doped fiber lasers around 1550nm with a repetition rate of 1GHz are demonstrated. Key steps to obtain stable, femtosecond pulses by avoiding thermal damage of the SBR are ...
    • 1,3-Butadiene-Induced Adenine DNA Adducts Are Genotoxic but Only Weakly Mutagenic When Replicated in Escherichia Coli of Various Repair and Replication Backgrounds 

      Seneviratne, Uthpala I.; Wu, Jie; Tretyakova, Natalia; Chang, Shiou-chi; Essigmann, John M (American Chemical Society (ACS), 2017-05)
      The adverse effects of the human carcinogen 1,3-butadiene (BD) are believed to be mediated by its DNA-reactive metabolites such as 3,4-epoxybut-1-ene (EB) and 1,2,3,4-diepoxybutane (DEB). The specific DNA adducts responsible ...
    • 1-D P- and S-wave velocity models for the collision zone between the northern Tianshan mountain and the Junggar basin based on local earthquake data 

      Sun, Anhui; Sun, Youshun; Zhang, Haijiang; Yu, Diming (Seismological Society of China, 2012-12)
      We have developed crustal minimum 1-D P- and S-wave velocity models of the collision zone between the northern Tianshan mountain and the Junggar basin (86°E–89°E, 43°N–44.5°N). These two models were created through inversion ...
    • 1-D Transforms for the Motion Compensation Residual 

      Kamisli, Fatih; Lim, Jae S. (Institute of Electrical and Electronics Engineers (IEEE), 2011-03)
      Transforms used in image coding are also commonly used to compress prediction residuals in video coding. Prediction residuals have different spatial characteristics from images, and it is useful to develop transforms that ...
    • A 1.1 nW Energy-Harvesting System with 544 pW Quiescent Power for Next-Generation Implants 

      Bandyopadhyay, Saurav; Mercier, Patrick Philip; Lysaght, Andrew Christopher; Stankovic, Konstantina M.; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2014-09)
      This paper presents a nW power management unit (PMU) for an autonomous wireless sensor that sustains itself by harvesting energy from the endocochlear potential (EP), the 70-100 mV electrochemical bio-potential inside the ...
    • 1.3 mm WAVELENGTH VLBI OF SAGITTARIUS A*: DETECTION OF TIME-VARIABLE EMISSION ON EVENT HORIZON SCALES 

      Fish, Vincent L.; Doeleman, Sheperd Samuel; Beaudoin, Christopher J.; Blundell, Ray; Bolin, David E.; e.a. (Institute of Physics/American Astronomical Society, 2011-02)
      Sagittarius A*, the ~4 × 10[superscript 6] M ☉ black hole candidate at the Galactic center, can be studied on Schwarzschild radius scales with (sub)millimeter wavelength very long baseline interferometry (VLBI). We report ...
    • 1.8-μm thulium microlasers integrated on silicon 

      Adam, Thomas N.; Leake, Gerald; Coolbaugh, Douglas; Bradley, Jonathan; Su, Zhan; e.a. (SPIE, 2016-02)
      A key challenge for silicon photonic systems is the development of compact on-chip light sources. Thulium-doped fiber and waveguide lasers have recently generated interest for their highly efficient emission around 1.8 μm, ...
    • 1/2 (e[superscript 2]/h) Conductance Plateau without 1D Chiral Majorana Fermions 

      Ji, Wenjie; Wen, Xiao-Gang (American Physical Society, 2018-03)
      We address the question about the origin of the 1/2(e[superscript 2]/h) conductance plateau observed in a recent experiment on an integer quantum Hall (IQH) film covered by a superconducting (SC) film. Since one-dimensional ...
    • 1/N effects in non-relativistic gauge-gravity duality 

      Adams, Allan; Maloney, Alexander; Sinha, Aninda; Vazquez, Samuel E. (Institute of Physics, 2009-03)
      We argue that higher-curvature terms in the gravitational Lagrangian lead, via non-relativistic gauge-gravity duality, to nite renormalization of the dynamical exponent of the dual conformal eld theory. Our argument ...
    • 10 Gbps TCP/IP streams from the FPGA for High Energy Physics 

      Bauer, Gerry P.; Lavinia Darlea, Georgiana; Gomez-Ceballos, Guillelmo; Paus, Christoph M. E.; Raginel, Olivier; e.a. (IOP Publishing, 2014-06)
      The DAQ system of the CMS experiment at CERN collects data from more than 600 custom detector Front-End Drivers (FEDs). During 2013 and 2014 the CMS DAQ system will undergo a major upgrade to address the obsolescence of ...
    • 10 Gbps TCP/IP streams from the FPGA for the CMS DAQ eventbuilder network 

      Bauer, Gerry P; Bawej, T; Behrens, U; Branson, J; Chaze, O; e.a. (IOP Publishing, 2013-12)
      For the upgrade of the DAQ of the CMS experiment in 2013/2014 an interface between the custom detector Front End Drivers (FEDs) and the new DAQ eventbuilder network has to be designed. For a loss-less data collection from ...
    • A 10-Gb/s Compact Low-Power Serial I/O With DFE-IIR Equalization in 65-nm CMOS 

      Kim, Byeong-Su; Liu, Yong; Dickson, Timothy O.; Bulzacchelli, John F.; Friedman, Daniel J. (Institute of Electrical and Electronics Engineers, 2009-12)
      A compact and power-efficient serial I/O targeting dense silicon carrier interconnects is reported. Based on expected channel characteristics, the proposed I/O features low-impedance transmitter termination, high-impedance ...
    • 100 Years of the American Economic Review: The Top 20 Articles 

      Arrow, Kenneth J; Bernheim, B. Douglas; Feldstein, Martin S; McFadden, Daniel L; Poterba, James Michael; e.a. (American Economic Association, 2011-02)
      This paper presents a list of the top 20 articles published in the American Economic Review during its first 100 years. This list was assembled in honor of the AER's one-hundredth anniversary by a group of distinguished ...
    • 100-nm tunable femtosecond Cr:LiSAF laser mode locked with a broadband saturable Bragg reflector 

      Demirbas, Umit; Wang, Jing; Petrich, Gale S; Nabanja, Sheila P.; Birge, Jonathan R.; e.a. (Optical Society of America, 2017-04)
      We report broad tunability of a femtosecond (fs) diode-pumped Cr:LiSAF laser mode-locked with a broadband saturable Bragg reflector (SBR). The SBR had seven pairs of Al[subscript x]O[subscript y]I(n∼1.5) and Al[subscript ...
    • 100-W Q-switched Cryogenically Cooled Yb:YAG Laser 

      Hybl, John D.; Fan, Tso Yee; Ochoa, Juan R.; Ripin, Daniel J.; Rand, Darren A.; e.a. (Institute of Electrical and Electronics Engineers, 2009-12)
      This work describes a cryogenic, electro-optically Q-switched Yb:YAG laser that generates 114-W average TEM[subscript 00] power with 47% optical-to-optical efficiency. Pulse repetition frequency is 5 kHz, pulse duration ...
    • A +10dBm 2.4GHz Transmitter with sub-400pW Leakage and 43.7% System Efficiency 

      Paidimarri, Arun; Ickes, Nathan J.; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2015-02)
      Extreme energy constraints inherent in many exciting new wireless sensing applications (such as [1-3]) virtually dictate that such systems operate with extremely low duty cycles, harvesting and storing energy over long ...
    • A 10Gb/s compact low-power serial I/O with DFE-IIR equalization in 65nm CMOS 

      Kim, Byungsub; Dickson, Timothy O.; Liu, Yong; Bulzacchelli, John F.; Friedman, Daniel J. (Institute of Electrical and Electronics Engineers, 2009-05)
      The design of compact low-power I/O transceivers continues to be a challenge for both chip-to-chip and backplane applications. The introduction of dense fine-pitch silicon packaging technologies, that in principle are ...
    • 10 nm gap bowtie plasmonic apertures fabricated by modified lift-off process 

      Huang, I-Chun; Holzgrafe, Jeffrey; Choy, Jennifer T.; Lončar, Marko; Jensen, Russell Andrew; e.a. (American Institute of Physics (AIP), 2016-09)
      Bowtie plasmonic apertures, with gap sizes down to 11 nm and silver film thickness of up to 150 nm (aspect ratio 14:1), were fabricated on a silicon nitride membrane. Transmission spectra feature the aperture resonances ...
    • A 110μW 10Mb/s eTextiles Transceiver for Body Area Networks with Remote Batter Power 

      Mercier, Patrick Philip; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers (IEEE), 2010-02)
      A transceiver for communicating over an electronic textiles medium is implemented for body area networks. A supply-rail-coupled differential signaling scheme permits time-sharing of the eTextiles medium between communication ...
    • A 110μW 10Mb/s eTextiles transceiver for body area networks with remote battery power 

      Mercier, Patrick Philip; Chandrakasan, Anantha P. (Institute of Electrical and Electronics Engineers, 2010-02)
      A transceiver for communicating over an electronic textiles medium is implemented for body area networks. A supply-rail-coupled differential signaling scheme permits time-sharing of the eTextiles medium between communication ...