Berlin 2012 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 93: Poster Session: Metal-Semiconductor Hybrid Systems, Plasmonic Systems / Photonic Crystals / Carbon: Diamond & CNT / Quantum Information Systems

HL 93.11: Poster

Thursday, March 29, 2012, 16:00–19:00, Poster D

Design and Optimization of Photonic Crystal Waveguides and Grating Couplers for Single Photon Applications — •Carlo Barth, Niko Nikolay, Andreas W. Schell, Janik Wolters, and Oliver Benson — Nano-Optics, Institute of Physics, Humboldt-Universität zu Berlin, Newtonstraße 15, D-12489 Berlin, Germany

Photonic crystals are a promising platform for integrated quantum optical networks. Recently, the controlled coupling of single emitters to photonic crystal cavities has been strikingly demonstrated in several experiments [1]. However, for future integrated single photon devices efficient waveguides and out-coupling structures will be needed. The latter ones are particularly important, as they form the interface between photonic chips and the macroscopic measurement equipment. We present our latest results on the design and optimization of high efficient couplers with large directivity and their integration into photonic networks.

[1] J. Wolters, A.W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, O. Benson. Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity. Applied Physics Letters 97(14):141108, 2010.