Qianfan Xu

Summary

Affiliation: Rice University
Country: USA

Publications

  1. pmc Active dielectric antenna on chip for spatial light modulation
    Ciyuan Qiu
    Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA
    Sci Rep 2:855. 2012
  2. doi request reprint Silicon dual-ring modulator
    Qianfan Xu
    Department of Electrical and Computer Engineering, Rice University, 6100 Main St MS 366, Houston, TX 77005, USA
    Opt Express 17:20783-93. 2009
  3. doi request reprint Reconfigurable optical directed-logic circuits using microresonator-based optical switches
    Qianfan Xu
    Department of Electrical and Computer Engineering, Rice University, 6100 Main Street, MS 366, Houston, Texas 77005, USA
    Opt Express 19:5244-59. 2011
  4. doi request reprint High-contrast terahertz wave modulation by gated graphene enhanced by extraordinary transmission through ring apertures
    Weilu Gao
    Department of Electrical and Computer Engineering, Department of Materials Science and Nanoengineering, and Department of Physics and Astronomy, Rice University, Houston, Texas 77005, United States
    Nano Lett 14:1242-8. 2014
  5. ncbi request reprint Excitation of plasmonic waves in graphene by guided-mode resonances
    Weilu Gao
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, United States
    ACS Nano 6:7806-13. 2012
  6. doi request reprint Fano resonance in concentric ring apertures
    Jie Shu
    Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA
    Opt Express 21:11101-6. 2013
  7. doi request reprint Controlling normal incident optical waves with an integrated resonator
    Ciyuan Qiu
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA
    Opt Express 19:26905-10. 2011
  8. doi request reprint Suspended Si ring resonator for mid-IR application
    Yang Xia
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA
    Opt Lett 38:1122-4. 2013
  9. doi request reprint Ultraprecise measurement of resonance shift for sensing applications
    Ciyuan Qiu
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA
    Opt Lett 37:5012-4. 2012
  10. doi request reprint Excitation and active control of propagating surface plasmon polaritons in graphene
    Weilu Gao
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, United States
    Nano Lett 13:3698-702. 2013

Collaborators

  • Gang Shi
  • Zheng Liu
  • Yang Yang
  • Boris I Yakobson
  • Lin Yang
  • Ciyuan Qiu
  • Weilu Gao
  • Jie Shu
  • Pulickel M Ajayan
  • Robert Vajtai
  • Yang Xia
  • Yongji Gong
  • Junichiro Kono
  • Daniel M Mittleman
  • Jianbo Chen
  • Zhuhua Zhang
  • Jun Lou
  • Kimberly Reichel
  • Shubin Yang
  • Wu Zhou
  • Jeil Jung
  • Allan H MacDonald
  • Lulu Ma
  • Daniel V Nickel
  • Ge You
  • Xiaowei He
  • Xuezhi Zhang
  • Zehua Jin
  • Qi Zhang
  • Xin Ye
  • Richard Soref
  • Victoria Astley
  • Daniel Nickel

Detail Information

Publications13

  1. pmc Active dielectric antenna on chip for spatial light modulation
    Ciyuan Qiu
    Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA
    Sci Rep 2:855. 2012
    ..5 dB and a modulation speed of 150 MHz is demonstrated. Method to improve the modulation speed is discussed...
  2. doi request reprint Silicon dual-ring modulator
    Qianfan Xu
    Department of Electrical and Computer Engineering, Rice University, 6100 Main St MS 366, Houston, TX 77005, USA
    Opt Express 17:20783-93. 2009
    ..This device has both improved optical and electrical performance over a single-ring modulator. The dual-ring modulator can provide a feedback signal for active control of the modulation wavelength...
  3. doi request reprint Reconfigurable optical directed-logic circuits using microresonator-based optical switches
    Qianfan Xu
    Department of Electrical and Computer Engineering, Rice University, 6100 Main Street, MS 366, Houston, Texas 77005, USA
    Opt Express 19:5244-59. 2011
    ..Five important logic functions are presented as examples to show that the same switch fabric can be reconfigured to perform different logic functions...
  4. doi request reprint High-contrast terahertz wave modulation by gated graphene enhanced by extraordinary transmission through ring apertures
    Weilu Gao
    Department of Electrical and Computer Engineering, Department of Materials Science and Nanoengineering, and Department of Physics and Astronomy, Rice University, Houston, Texas 77005, United States
    Nano Lett 14:1242-8. 2014
    ..These results promise complementary metal-oxide-semiconductor compatible THz modulators with tailored operation frequencies, large on/off ratios, and high speeds, ideal for applications in THz communications, imaging, and sensing. ..
  5. ncbi request reprint Excitation of plasmonic waves in graphene by guided-mode resonances
    Weilu Gao
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, United States
    ACS Nano 6:7806-13. 2012
    ..In this paper, we analyze the performance of this device with finite-difference time-domain simulations. We compare the proposed structure with recently demonstrated graphene nanoribbons based on bound plasmonic oscillations...
  6. doi request reprint Fano resonance in concentric ring apertures
    Jie Shu
    Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA
    Opt Express 21:11101-6. 2013
    ..We find the Q of the dark mode is 3~6 times higher than that of the bright mode. We show that the dark mode can be selectively disabled without affecting the bright mode...
  7. doi request reprint Controlling normal incident optical waves with an integrated resonator
    Ciyuan Qiu
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA
    Opt Express 19:26905-10. 2011
    ..3 nm. Without the need to be attached to a waveguide, a dense 2D array of such resonators can be integrated on a chip for spatial light modulation and parallel bio-sensing...
  8. doi request reprint Suspended Si ring resonator for mid-IR application
    Yang Xia
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA
    Opt Lett 38:1122-4. 2013
    ..Absorption loss is analyzed based on the spectrum distortion, simulation, and all-optical modulation. It is shown that main loss comes from scattering at surface and should be possible to reduce by improving fabrication process...
  9. doi request reprint Ultraprecise measurement of resonance shift for sensing applications
    Ciyuan Qiu
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA
    Opt Lett 37:5012-4. 2012
    ..06 pm, which corresponds to an index sensitivity of ~10(-7). This resonance measurement for sensing purposes can be done using a fixed-wavelength laser...
  10. doi request reprint Excitation and active control of propagating surface plasmon polaritons in graphene
    Weilu Gao
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, United States
    Nano Lett 13:3698-702. 2013
    ..This novel structure provides a way to excite and actively control plasmonic waves in graphene and is thus an important building block of graphene plasmonic systems...
  11. doi request reprint Demonstration of reconfigurable electro-optical logic with silicon photonic integrated circuits
    Ciyuan Qiu
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA
    Opt Lett 37:3942-4. 2012
    ..Here we show experimentally a directed logic circuit based on a 2×2 array of switches. The circuit is reconfigured to perform arbitrary two-input logic functions...
  12. doi request reprint Direct chemical conversion of graphene to boron- and nitrogen- and carbon-containing atomic layers
    Yongji Gong
    1 Department of Chemistry, Rice University, Houston, Texas 77005, USA 2
    Nat Commun 5:3193. 2014
    ..This is a step towards scalable synthesis of atomically thin two-dimensional integrated circuits. ..
  13. doi request reprint High-contrast terahertz modulator based on extraordinary transmission through a ring aperture
    Jie Shu
    Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, USA
    Opt Express 19:26666-71. 2011
    ..This result suggests that CMOS-compatible terahertz modulators can be built by controlling the carrier density near the aperture...