A realistic fabrication and design concept for quantum gates based on single emitters integrated in plasmonic-dielectric waveguide structures

Year: 2016

Authors: Kewes G., Schoengen M., Neitzke O., Lombardi P., Schönfeld R.S., Mazzamuto G., Schell A.W., Probst J., Wolters J., Löchel B., Toninelli C., Benson O.

Autors Affiliation: AG Nano-Optik, Institut für Physik, Humboldt-Universität zu Berlin, Newtonstraβe 15, 12489 Berlin, Germany;
Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Straβe 15, 12489 Berlin, Germany;
European Laboratory for Non-Linear Spectroscopy (LENS), University of Florence, Via Nello Carrara 1, 50019 Sesto
Fiorentino Florence, Italy;
INO, Istituto Nazionale di Ottica, Largo Fermi 6, 50125 Firenze, Italy;
Department of Electronic Science and Engineering, Kyoto University, Kyoto daigaku-katsura, Nishikyo-ku, 615-8510 Kyoto, Japan;
Departement Physik, Universität Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland.

Abstract: Tremendous enhancement of light-matter interaction in plasmonic-dielectric hybrid devices allows for non-linearities at the level of single emitters and few photons, such as single photon transistors. However, constructing integrated components for such devices is technologically extremely challenging. We tackle this task by lithographically fabricating an on-chip plasmonic waveguide-structure connected to far-field in-and out-coupling ports via low-loss dielectric waveguides. We precisely describe our lithographic approach and characterize the fabricated integrated chip. We find excellent agreement with rigorous numerical simulations. Based on these findings we perform a numerical optimization and calculate concrete numbers for a plasmonic single-photon transistor.


Volume: 6      Pages from: 28877-1  to: 28877-10

More Information: Support by the German Research Foundation (DFG via SFB 951) is gratefully acknowledged. CT, PL and GM acknowledge support from the European Network of Excellence for Energy Efficiency, with the seed project OLEIT. Thanks to the JCMwave team for supporting simulations.
KeyWords: diamond nanocrystals; defect centers; optical-fibers; transistor; molecules; crystal: photon; modes
DOI: 10.1038/srep28877

Citations: 35
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