W. Knap

Research interests

Publications

• Roadmap of Terahertz Imaging 2021

  Sensors · 2021 · https://doi.org/10.3390/s21124092

• Efficient Terahertz detection in black-phosphorus nano-transistors with selective and controllable plasma-wave, bolometric and thermoelectric response

  Scientific Reports · 2016 · 10.1038/srep20474

• Plasma-Wave Terahertz Detection Mediated by Topological Insulators Surface States

  Nano Letters · 2015 · 10.1021/acs.nanolett.5b02901

• Black Phosphorus Terahertz Photodetectors

  Advanced Materials · 2015 · 10.1002/adma.201502052

• High performance bilayer-graphene terahertz detectors

  Applied Physics Letters · 2014 · 10.1063/1.4864082

• Observation of three-dimensional massless Kane fermions in a zinc-blende crystal

  Nature Physics · 2014 · https://doi.org/10.1038/nphys2857

• Graphene field-effect transistors as room-temperature terahertz detectors

  Nature Materials · 2012 · https://doi.org/10.1038/nmat3417

• Room-Temperature Terahertz Detectors Based on Semiconductor Nanowire Field-Effect Transistors

  Nano Letters · 2011 · 10.1021/nl2030486

• Broadband terahertz imaging with highly sensitive silicon CMOS detectors

  Optics Express · 2011 · https://doi.org/10.1364/oe.19.007827

• A 280-GHz Schottky Diode Detector in 130-nm Digital CMOS

  IEEE Journal of Solid-State Circuits · 2011 · 10.1109/jssc.2011.2165234

• Plasmonic terahertz detection by a double-grating-gate field-effect transistor structure with an asymmetric unit cell

  Applied Physics Letters · 2011 · 10.1063/1.3670321

• Terahertz responsivity of field effect transistors versus their static channel conductivity and loading effects

  Journal of Applied Physics · 2011 · 10.1063/1.3632058

• AlGaN/GaN high electron mobility transistors as a voltage-tunable room temperature terahertz sources

  Journal of Applied Physics · 2010 · 10.1063/1.3291101

• Resonant and voltage-tunable terahertz detection in InGaAs∕InP nanometer transistors

  Applied Physics Letters · 2006 · 10.1063/1.2358816

• Detection of terahertz radiation in gated two-dimensional structures governed by dc current

  Physical Review B · 2006 · 10.1103/physrevb.73.125328

• Plasma wave detection of terahertz radiation by silicon field effects transistors: Responsivity and noise equivalent power

  Applied Physics Letters · 2006 · https://doi.org/10.1063/1.2410215

• Room-temperature plasma waves resonant detection of sub-terahertz radiation by nanometer field-effect transistor

  Applied Physics Letters · 2005 · 10.1063/1.2005394

• Terahertz emission by plasma waves in 60 nm gate high electron mobility transistors

  Applied Physics Letters · 2004 · https://doi.org/10.1063/1.1689401

• Plasma wave detection of sub-terahertz and terahertz radiation by silicon field-effect transistors

  Applied Physics Letters · 2004 · https://doi.org/10.1063/1.1775034

• Nonresonant detection of terahertz radiation in field effect transistors

  Journal of Applied Physics · 2002 · https://doi.org/10.1063/1.1468257

• Resonant detection of subterahertz and terahertz radiation by plasma waves in submicron field-effect transistors

  Applied Physics Letters · 2002 · 10.1063/1.1525851

• Resonant detection of subterahertz radiation by plasma waves in a submicron field-effect transistor

  Applied Physics Letters · 2002 · 10.1063/1.1473685

• Large, nitrogen-induced increase of the electron effective mass in InyGa1−yNxAs1−x

  Applied Physics Letters · 2000 · 10.1063/1.126360

• Weak antilocalization and spin precession in quantum wells

  Physical review. B, Condensed matter · 1996 · https://doi.org/10.1103/physrevb.53.3912

• Investigation of longitudinal-optical phonon-plasmon coupled modes in highly conducting bulk GaN

  Applied Physics Letters · 1995 · 10.1063/1.114446

Current projects

No projects listed.