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Opto-Plasmonic Nanoscope NSF NIRT Grant 0608863

Conventional Fluorescent sensor. Arrays. Advantages: - Many channels possible - Accurate Traditional limitation: - Not real time. Opto-Plasmonic Nanoscope NSF NIRT Grant 0608863 Yeshaiahu Fainman, Geert Schmid-Schoenbein, Alexander Groisman, Vitaliy Lomakin

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Opto-Plasmonic Nanoscope NSF NIRT Grant 0608863

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  1. Conventional Fluorescent sensor Arrays Advantages: - Many channels possible - Accurate Traditional limitation: - Not real time Opto-Plasmonic Nanoscope NSF NIRT Grant 0608863 Yeshaiahu Fainman, Geert Schmid-Schoenbein, Alexander Groisman, Vitaliy Lomakin University of California, San Diego Objective Fourier Plasmonics: A way to Miniaturize Optical Devices On-a-Chip Plasmonic nanoscope: Sub-diffraction limited Microscope: Diffraction limited Plasmoinc Fresnel Zone Plate Plasmoinc Photonic Crystal a = 500 nm h = 400 nm D = 200 nm 2D Adaption Band gap for plasmonic waves Measurement of transmission within bandgap On-chip diffractive plasmonic focusing • Sub-Diffraction Limited Optical Field Localization • Miniaturized Chip-Scale Plasmonic Devices • Enhanced Linear/non-Linear Bio-Interaction • Imaging of Cell Dynamics in Nanometers • Innovative Education in Science and Engineering • Design following conventional Fourier optics • Miniaturize bulky free space optical devices radiation loss compensated Appl. Phys. Lett. 93, 231105 (2008) Appl. Phys. Lett. 91, 081101 (2007) Nanoscale Optical Field Localization by Resonantly Localized Plasmons Future Plan Interaction of Plasmonics with bio-materials Resonant Nano-Focusing Antenna (RNFA) Mushroom nanostructure: propagating SPP + localization Nano-Disk: Excitation of localized surface plasmons Metallic Wedge: High effective index plasmonic field focusing Nano-Antenna: TEM field localization in the gap Integration with Si Photonics: RNFA embedded inside a Si waveguide real-time sensing Opto-fluidics: Deliver bio-molecules • High-efficient field localization • Sensitivity increased • Non-linear response enhanced Appl. Phys. Lett. 94, 073117 (2009) Nano Laser with Strong Field Localization Nano laser: subwavelength in all 3 dimensions Experimental Characterization • Multi-resonant mechanisms supported • Convert waveguide modes to plasmons Nanoscale Plasmonic Focusing (experiment: 75 nm, simulation: 25nm) Plan: Integrate nano laser with RNFA (stronger field localization) • Small nano laser • Enhanced Purcell effect Opt. Express 17, 4824 (2009) CLEO/IQEC 2009, CMD2 (2009)

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