Now showing items 21-39 of 39

    • Nanoscale Fiber Tip Probe for Biomedical and Intracellular Sensing 

      Hong, Wooyoung (2016-05-12)
      Fluorescent-labeling imaging techniques have been widely used in live cell studies; however, the labeling processes can be laborious and challenging for non-transfectable cells and clinical cells, and labels can interfere ...
    • Nanoscale Label-free Bioprobes to Detect Intracellular Proteins in Single Living Cells 

      Hong, Wooyoung; Liang, Feng; Schaak, Diane; Loncar, Marko; Quan, Qimin (Nature Publishing Group, 2014)
      Fluorescent labeling techniques have been widely used in live cell studies; however, the labeling processes can be laborious and challenging for use in non-transfectable cells, and labels can interfere with protein functions. ...
    • Nanoskiving Core–Shell Nanowires: A New Fabrication Method for Nano-optics 

      Watson, Douglas C.; Martinez, Ramses; Fontana, Yannik; Russo-Averchi, Eleonora; Heiss, Martin; Fontcuberta i Morral, Anna; Whitesides, George McClelland; Loncar, Marko (American Chemical Society (ACS), 2014)
      This paper describes the fabrication of functional optical devices by sectioning quantum-dotin-nanowires systems with predefined lengths and orientations. This fabrication process requires only two steps: embedding the ...
    • Novel fabrication of diamond nanophotonics coupled to single-photon detectors 

      Atikian, Haig Avedis; Meesala, Srujan; Burek, Michael John; Sohn, Young-Ik; Israelian, Johan; Patri, Adarsh S.; Clarke, Nigel; Sipahigil, Alp; Evans, Ruffin Eley; Sukachev, Denis; Westervelt, Robert M.; Lukin, Mikhail D.; Loncar, Marko (SPIE-Intl Soc Optical Eng, 2017)
      Freestanding diamond nanostructures are etched from a bulk diamond substrate and integrated with evanescently coupled superconduncting nanowire single-photon detectors.
    • On-chip zero-index metamaterials 

      Li, Yang; Kita, Shota; Munoz, Philip Alejandro; Reshef, Orad; Vulis, Daryl Inna; Yin, Mei; Loncar, Marko; Mazur, Eric (Nature Publishing Group, 2015)
      Metamaterials with a refractive index of zero exhibit physical properties such as infinite phase velocity and wavelength. However, there is no way to implement these materials on a photonic chip, restricting the investigation ...
    • Optomechanics and nonlinear mechanics of suspended photonic crystal membranes 

      Hui, Pui Chuen (2014-10-21)
      The recent demonstration of strong interactions between optical force and mechanical motion of an optomechanical structure has led to the triumphant result of mechanical ground-state cooling, where the quantum nature of a ...
    • Photonic Crystal Nanobeam Cavities for Biomedical Sensing 

      Quan, Qimin (2012-07-20)
      Manipulation of light at the nanoscale has the promise to enable numerous technological advances in biomedical sensing, optical communications, nano-mechanics and quantum optics. As photons have vanishingly small interaction ...
    • Photonics in Low Index Media 

      Shneidman, Anna Vitalyevna (2016-05-18)
      Many applications in photonics rely on the ability to confine light in small volumes. This is commonly achieved by utilizing two or more materials with a large refractive index contrast, such as silicon and silicon dioxide, ...
    • Readout and Control of a Single Nuclear Spin with a Metastable Electron Spin Ancilla 

      Lee, Sang-Yun; Widmann, Matthias; Rendler, Torsten; Doherty, Marcus W.; Babinec, Thomas; Yang, Sen; Eyer, Moritz; Siyushev, Petr; Hausmann, Birgit Judith Maria; Loncar, Marko; Bodrog, Zoltán; Gali, Adam; Manson, Neil B.; Fedder, Helmut; Wrachtrup, Jörg (Nature Publishing Group, 2013)
      Electron and nuclear spins associated with point defects in insulators are promising systems for solid-state quantum technology1, 2, 3. The electron spin is usually used for readout and addressing, and nuclear spins are ...
    • A Robust Scanning Diamond Sensor for Nanoscale Imaging with Single Nitrogen-Vacancy Centres 

      Maletinsky, Patrick; Hong, Sungkun; Grinolds, Michael Sean; Hausmann, Birgit Judith Maria; Lukin, Mikhail D.; Walsworth, Ronald L.; Loncar, Marko; Yacoby, Amir (Nature Publishing Group, 2012)
      The nitrogen-vacancy defect centre in diamond has potential applications in nanoscale electric and magnetic-field sensing, single-photon microscopy, quantum information processing and bioimaging. These applications rely ...
    • A robust scanning diamond sensor for nanoscale imaging with single nitrogen-vacancy centres 

      Maletinsky, P; Hong, S.; Grinolds, M; Hausmann, B; Lukin, Mikhail D.; Walsworth, Ronald Lee; Loncar, Marko; Yacoby, Amir (Nature Publishing Group, 2012)
      Controllable atomic-scale quantum systems hold great potential as sensitive tools for nanoscale imaging and metrology . Possible applications range from nanoscale electric and magnetic field sensing to single photon ...
    • Single spin magnetometry with nitrogen-vacancy centers in diamond 

      Chisholm, Nicholas Edward Kennedy (2015-05-08)
      The nitrogen-vacancy (NV) center in diamond is a solid-state point defect with an electronic spin that has accessible quantum mechanical properties. At room temperature, the electronic ground state sub-levels of the NV ...
    • Single-Color Centers Implanted in Diamond Nanostructures 

      Hausmann, Birgit Judith Maria; Babinec, Thomas Michael; Choy, Jennifer Tze-Heng; Hodges, Jonathan S.; Hong, Sungkun; Bulu, Irfan; Yacoby, Amir; Lukin, Mikhail D.; Loncar, Marko (Institute of Physics Publishing, 2011)
      The development of material-processing techniques that can be used to generate optical diamond nanostructures containing a single-color center is an important problem in quantum science and technology. In this work, we ...
    • Stretchable Photonic Crystal Cavity with Wide Frequency Tunability 

      Yu, Chunxiao; Kim, Hyunwoo; de Leon, Nathalie Pulmones; Frank, Ian Ward; Robinson, Jacob T.; McCutcheon, Murray; Liu, Mingzhao; Lukin, Mikhail D.; Loncar, Marko; Park, Hongkun (American Chemical Society (ACS), 2013)
      We report a new approach for realizing a flexible photonic crystal (PC) cavity that enables wide-range tuning of its resonance frequency. Our PC cavity consists of a regular array of silicon nanowires embedded in a ...
    • Submicrometer diameter micropillar cavities with high quality factor and ultrasmall mode volume 

      Zhang, Yinan; Loncar, Marko (Optical Society of America, 2009)
      We theoretically demonstrate high Quality factor (Q~3×106) micropillar cavities with record low mode volumes [V~0.1(λ/n)3] based on the TiO2/SiO2 material system. The proposed cavities have Q/V three orders of magnitude ...
    • Topics in Nanophotonic Devices for Nitrogen-Vacancy Color Centers in Diamond 

      Babinec, Thomas Michael (2013-03-14)
      Recently, developments in novel and high-purity materials allow for the presence of a single, solitary crystalline defect to define the electronic, magnetic, and optical functionality of a device. The discrete nature of ...
    • Tuning and Freezing Disorder in Photonic Crystals using Percolation Lithography 

      Burgess, Ian B.; Abedzadeh, Navid; Kay, Theresa M.; Shneidman, Anna V.; Cranshaw, Derek J.; Lončar, Marko; Aizenberg, Joanna (Nature Publishing Group, 2016)
      Although common in biological systems, synthetic self-assembly routes to complex 3D photonic structures with tailored degrees of disorder remain elusive. Here we show how liquids can be used to finely control disorder in ...
    • Ultra-high-Q TE/TM Dual-Polarized Photonic Crystal Nanocavities 

      Zhang, Yinan; McCutcheon, Murray; Burgess, Ian; Loncar, Marko (Optical Society of America, 2009)
      We demonstrate photonic crystal nanobeam cavities that support both TE- and TM-polarized modes, each with a Quality factor greater than one million and a mode volume on the order of the cubic wavelength. We show that these ...
    • Wetting in Color 

      Burgess, Ian Bruce (2012-11-06)
      Colorimetric litmus tests such as pH paper have enjoyed wide commercial success due to their inexpensive production and exceptional ease of use. However, expansion of colorimetry to new sensing paradigms is challenging ...