Laser Facility for Quantum Optics, Imaging, and Fabrication

Micro-concave waveguide antenna for high photon extraction from nitrogen vacancy centers in nanodiamond

R Rajasekharan, G Kewes, A Djalalian-Assl, K Ganesan, S Tomljenovic-Hanic, JC McCallum, A Roberts, O Benson, S Prawer

2015-07-14

The negatively charged nitrogen-vacancy colour center (NV- center) in nanodiamond is an excellent single photon source due to its ..

Optical ‘magnetic mirror’ metasurfaces using interference between Fabry-Pérot cavity resonances in coaxial apertures

R Rajasekharan, A Roberts

2015-05-28

Here we propose and computationally demonstrate a quasi-planar metasurface consisting of arrays of pairs of concentric coaxial ape..

Collective excitation of plasmonic hot-spots for enhanced hot charge carrier transfer in metal/semiconductor contacts

A Piot, SK Earl, C Ng, S Dligatch, A Roberts, TJ Davis, DE Gómez

2015-05-14

We show how a combination of near- and far-field coupling of the localised surface plasmon resonances in aluminium nanoparticles d..

Material effects on V-nanoantenna performance

SK Earl, DE Gómez, TD James, TJ Davis, A Roberts

2015-03-07

There is great interest in aluminum based plasmonic devices due to the relatively high plasma frequency of this material as well a..

Coupling of a quantum emitter to the surface plasmons of a nanowire

M Aramesh, A Djalalian-Assl, J Cervenka, A Roberts, K Ostrikov, S Prawer

2014-02-10

A finite element method is applied to study the coupling of a single photon emitter in nanodiamond to surface plasmons of a silver..

Waveguide coupled MSM photodiode for surface plasmon polariton detection

E Panchenko, TD James, A Roberts

2014-02-10

The requirement of in-plane detection is crucial for large scale plasmonic technology. Metal-semiconductor-metal photodiodes can b..

Indium tin oxide film characterization using the classical Hall Effect

LHW van Beveren, E Panchenko, N Anachi, L Hyde, D Smith, TD JAMES, A Roberts, JC McCallum

2014-01-01

We have used the classical Hall Effect to electrically characterize indium tin oxide (ITO) films grown by two different techniques..

Polarization manipulation with subwavelength nanoapertures

JJ Cadusch, TD James, A Djalalian-Assl, TJ Davis, A Roberts

2014-01-01

Manipulation of polarization states is an important feature of many applications including in telecommunication, remote sensing an..

Polarization effect and emission control in asymmetric cross-shaped slot antennas surrounded with periodic corrugations

A Djalalian-Assl, J Cadusch, TD James, TJ Davis, A Roberts

2013-12-01

We discuss progress in the development of asymmetric cross-shaped plasmonic antennas based on resonant nanoscale apertures surroun..

The plasmonic J-pole antenna

TD James, ZQ Teo, DE Gómez, TJ Davis, A Roberts

2013-01-21

The plasmonic J-pole antenna is the nanoscale version of a radio frequency design, consisting of a half wavelength arm connected t..