Imperial College London

ProfessorRupertOulton

Faculty of Natural SciencesDepartment of Physics

Professor of Nanophotonics
 
 
 
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Contact

 

+44 (0)20 7594 7576r.oulton

 
 
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Location

 

914Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

187 results found

Kramer RK, Pholchai N, Sorger VJ, Oulton RF, Zhang Xet al., 2010, Fabrication methods for positioning single quantum dots, Nanotechnology, Vol: 21, ISSN: 1361-6528

The capability to position individual emitters, such as quantum dots, near metallic nanostructures is highly desirable for constructing active optical devices that can manipulate light at the single photon level. The emergence of the field of plasmonics as a means to confine light now introduces a need for high precision and reliability in positioning any source of emission, which has thus far been elusive. Placing an emission source within the influence of plasmonic structures now requires accuracy approaching molecular length scales. In this paper we report the ability to reliably position nanoscale functional objects, specifically quantum dots, with sub-100-nm accuracy, which is several times smaller than the diffraction limit of a quantum dot's emission light. Electron beam lithography-defined masks on metallic surfaces and a series of surface chemical functionalization processes allow the programmed assembly of DNA-linked colloidal quantum dots. The quantum dots are successfully functionalized to areas as small as (100 nm)(2) using the specific binding of thiolated DNA to Au/Ag, and exploiting the streptavidin-biotin interaction. An analysis of the reproducibility of the process for various pattern sizes shows that this technique is potentially scalable to the single quantum dot level with 50 nm accuracy accompanied by a moderate reduction in yield.

Journal article

Oulton RF, 2010, Active plasmonics and nanoscale light sources, APS March Meeting

Conference paper

Ma R-M, Oulton RF, Sorger VJ, Zhang Xet al., 2010, Room Temperature Sub-Wavelength Plasmon Laser, Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS), Publisher: IEEE

Conference paper

Ishikawa A, Oulton RF, Zentgraf T, Zhang Xet al., 2010, Extremely low-loss slow-light modes in plasmonic dielectric hybrid systems, Conference on Plasmonics: Metallic Nanostructures and Their Optical Properties VIII, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X

Conference paper

Sorger VJ, Oulton RF, Zentgraf T, Ma R, Gladden C, Dai L, Bartal G, Zhang Xet al., 2010, Semiconductor Plasmon Laser, Conference on Plasmonics: Metallic Nanostructures and Their Optical Properties VIII, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X

Conference paper

Ma RM, Oulton RF, Sorger VJ, Zhang Xet al., 2010, Room Temperature Sub-Wavelength Plasmon Laser

Conference paper

Zentgraf T, Zhang S, Oulton RF, Zhang Xet al., 2009, Ultranarrow coupling-induced transparency bands in hybrid plasmonic systems, PHYSICAL REVIEW B, Vol: 80, ISSN: 2469-9950

Journal article

Oulton RF, Sorger VJ, Zentgraf T, Ma R-M, Gladden C, Dai L, Bartal G, Zhang Xet al., 2009, Plasmon lasers at deep subwavelength scale, NATURE, Vol: 461, Pages: 629-632, ISSN: 0028-0836

Journal article

Sorger VJ, Oulton RF, Yao J, Bartal G, Zhang Xet al., 2009, Plasmonic Fabry-Perot Nanocavity, NANO LETTERS, Vol: 9, Pages: 3489-3493, ISSN: 1530-6984

Journal article

Oulton RF, 2009, Sub-wavelength plasmonic laser, SPIE Optics and Photonics

Conference paper

Oulton RF, 2009, Towards Sub-Wavelength Plasmonic Laser Devices, Integrated Photonics and Nanophotonics Research and Applications

Conference paper

Sorger VJ, Oulton RF, Yao J, Bartal G, Zhang Xet al., 2009, Plasmonic nano-cavities with high Q-factors, Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS 2009), Publisher: IEEE, Pages: 2361-2362

Conference paper

Ambati M, Genov DA, Oulton RF, Zhang Xet al., 2008, Active Plasmonics: Surface Plasmon Interaction With Optical Emitters, IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, Vol: 14, Pages: 1395-1403, ISSN: 1077-260X

Journal article

Oulton RF, Bartal G, Pile DFP, Zhang Xet al., 2008, Confinement and propagation characteristics of subwavelength plasmonic modes, NEW JOURNAL OF PHYSICS, Vol: 10, ISSN: 1367-2630

Journal article

Oulton RF, Sorger VJ, Bartal G, Zhang Xet al., 2008, A hybrid plasmonic waveguide for sub-wavelength confinement and long range propagation, Frontiers in Optics, OSA Annual Meeting

Conference paper

Oulton RF, Sorger VJ, Genov DA, Pile DFP, Zhang Xet al., 2008, A hybrid plasmonic waveguide for subwavelength confinement and long-range propagation, NATURE PHOTONICS, Vol: 2, Pages: 496-500, ISSN: 1749-4885

Journal article

Oulton RF, Sorger VJ, Bartal G, Zhang Xet al., 2008, Hybrid Plasmonics, Gordon Research Conference on Plasmonics

Conference paper

Oulton RF, Sorger VJ, Bartal G, Zhang Xet al., 2008, High Q-factor plasmonic nanocavities, MRS Spring Meeting

Conference paper

Oulton RF, Sorger VJ, Bartal G, Zhang Xet al., 2008, A hybrid approach to semiconductor-based plasmonics, Nano-Meta

Conference paper

Pile DFP, Gramotnev DK, Oulton RF, Zhang Xet al., 2007, On long-range plasmonic modes in metallic gaps, OPTICS EXPRESS, Vol: 15, Pages: 13669-13674, ISSN: 1094-4087

Journal article

Oulton RF, Genov DA, Pile DFP, Sorger VJ, Zhang Xet al., 2007, Competition of Surface Plasmons for Emission in Planar Nano-Films, SPIE Optics and Photonics

Conference paper

Oulton RF, Pile DFP, Liu Y, Zhang Xet al., 2007, Scattering of surface plasmon polaritons at abrupt surface interfaces: Implications for nanoscale cavities, PHYSICAL REVIEW B, Vol: 76, ISSN: 2469-9950

Journal article

Oulton RF, Adjiman CS, 2006, Global optimization and modeling techniques for planar multilayered dielectric structures, APPLIED OPTICS, Vol: 45, Pages: 5910-5922, ISSN: 1559-128X

Journal article

Oulton RF, Stavrinou PN, Parry G, 2005, Optical coherence of planar microcavity emission, APPLIED PHYSICS B-LASERS AND OPTICS, Vol: 80, Pages: 817-821, ISSN: 0946-2171

Journal article

Oulton RF, Adjiman CS, Handa K, Aramaki Set al., 2005, Enhancement of optical extraction from OLEDs using scattering layers, Bellingham, Conference on organic photonic materials and devices VII, San Jose, CA, 24 - 26 January 2005, Publisher: Spie-Int Society Optical Engineering, Pages: 191-201

Conference paper

Oulton RF, Stavrinou PN, Parry G, 2004, Emission from laterally confined microcavities: an optical mode approach, OPTICS COMMUNICATIONS, Vol: 237, Pages: 141-151, ISSN: 0030-4018

Journal article

Theofanidou E, Wilson L, Hossack WJ, Arlt Jet al., 2004, Spherical aberration correction for optical tweezers, OPTICS COMMUNICATIONS, Vol: 236, Pages: 145-150, ISSN: 0030-4018

Journal article

Oulton RF, Takada N, Koe J, Stavrinou PN, Bradley DDCet al., 2003, Strong coupling in organic semiconductor microcavities, SEMICONDUCTOR SCIENCE AND TECHNOLOGY, Vol: 18, Pages: S419-S427, ISSN: 0268-1242

Journal article

Bennett AJ, Roberts C, Oulton RF, Stavrinou PN, Murray R, Parry Get al., 2003, Photo-pumped lasing from low density self-assembled InGaAs/GaAs quantum dots within a high-<i>Q</i> vertical cavity, OPTICAL AND QUANTUM ELECTRONICS, Vol: 35, Pages: 1157-1163, ISSN: 0306-8919

Journal article

Klengel S, Caillaud P, Oulton RF, Stavrinou PN, Parry G, Heffernan J, Poole Bet al., 2003, Detailed spectral analysis of 2D photonic crystal structures embedded into ridge waveguides

2D Photonic Crystals (PhC) were patterned into free-standing GaAs/AlGaAs ridge waveguides. Detailed characterization and Fourier analysis of the data were used to assess the performance of the PhC. Excellent agreement with our model was found.

Conference paper

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