Quantum Optoelectronics

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Fabrication of Ultrathin Single-Crystal Diamond Membranes

(2016)

Authors:

BA Fairchild, P Olivero, S Rubanov, AD Greentree, F Waldermann, RA Taylor, I Walmsley, JM Smith, S Huntington, BC Gibson, DN Jamieson, S Prawer
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Electrically tunable organic-inorganic hybrid polaritons with monolayer WS2

(2016)

Authors:

Lucas C Flatten, David M Coles, Zhengyu He, David G Lidzey, Robert A Taylor, Jamie H Warner, Jason M Smith
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Strong exciton-photon coupling with colloidal nanoplatelets in an open microcavity

(2016)

Authors:

Lucas C Flatten, Sotirios Christodoulou, Robin K Patel, Alexander Buccheri, David M Coles, Benjamin PL Reid, Robert A Taylor, Iwan Moreels, Jason M Smith
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Room-temperature exciton-polaritons with two-dimensional WS2

(2016)

Authors:

Lucas C Flatten, Zhengyu He, David M Coles, Aurelien AP Trichet, Alex W Powell, Robert A Taylor, Jamie H Warner, Jason M Smith
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Carrier trapping and confinement in Ge nanocrystals surrounded by Ge3N4

Scientific Reports Nature Publishing Group (2016)

Authors:

Robert Taylor, Christopher CS Chan, Benjamin PL Reid, Luke Nuttall, Youngsin Park, Nam-Suk Lee, Young Mi Lee

Abstract:

We investigated the optical properties of Ge nanocrystals surrounded by Ge3N4. The broad emission ranging from infrared to blue is due to the dependence on the crystal size and preparation methods. Here, we report high resolution Photoluminescence (PL) attributed to emission from individual Ge nanocrystals (nc-Ge) spatially resolved using micro-photoluminescence and detailed using temperature and power-dependent photoluminescence studies. The measured peaks are shown to behave with excitonic characteristics and we argue that the spread of the nc-Ge peaks in the PL spectrum is due to different confinement energies arising from the variation in size of the nanocrystals.
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