13 May 2016 Coupling of semiconductor carbon nanotubes emission with silicon photonic micro ring resonators
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Hybrid structures are needed to fully exploit the great advantages of Si photonics and several approaches have been addressed where Si devices are bonded to different materials and nanostructures. Here we study the use of semiconductor carbon nanotubes for emission in the 1300 nm wavelength range to functionalize Si photonic structures in view of optoelectronic applications. The Si micro-rings are fully characterized by near field forward resonant scattering with 100 nm resolution. We show that both TE and TM modes can be addressed on the top of the micro-rings in a vectorial imaging of the in-plane polarization components. We coupled the Si micro-resonators with selected carbon nanotubes for high photoluminescence emission. Coupling nanotubes with the evanescent tails in air of the electric field localized in the photonic modes of the micro-resonators is demonstrated by sharp resonances over imposed to the nanotube emission bands. By mapping the Si and the nanotube emission we demonstrate that strong enhancement of the nanotube photoluminescence can be achieved both in the photonic modes of micro-disks and slot micro-rings, whenever the spatial overlap between nano-emitters and photonic modes is fulfilled.
Conference Presentation
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Francesco Sarti, Francesco Sarti, Niccolò Caselli, Niccolò Caselli, Federico La China, Federico La China, Francesco Biccari, Francesco Biccari, Ughetta Torrini, Ughetta Torrini, Francesca Intonti, Francesca Intonti, Anna Vinattieri, Anna Vinattieri, Elena Durán-Valdeiglesias, Elena Durán-Valdeiglesias, Weiwei Zhang, Weiwei Zhang, Adrien Noury, Adrien Noury, Carlos Alonso-Ramos, Carlos Alonso-Ramos, ThiHong Cam Hoang, ThiHong Cam Hoang, Samuel Serna, Samuel Serna, Xavier Le Roux, Xavier Le Roux, Eric Cassan, Eric Cassan, Nicolas Izard, Nicolas Izard, Hongliu Yang, Hongliu Yang, Viktor Bezugly, Viktor Bezugly, Gianaurelio Cuniberti, Gianaurelio Cuniberti, Arianna Filoramo, Arianna Filoramo, Laurent Vivien, Laurent Vivien, Massimo Gurioli, Massimo Gurioli, "Coupling of semiconductor carbon nanotubes emission with silicon photonic micro ring resonators", Proc. SPIE 9891, Silicon Photonics and Photonic Integrated Circuits V, 98910P (13 May 2016); doi: 10.1117/12.2234979; https://doi.org/10.1117/12.2234979

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