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Dresden 2020 – wissenschaftliches Programm

Die DPG-Frühjahrstagung in Dresden musste abgesagt werden! Lesen Sie mehr ...

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 12: Focus: High-resolution Lithography and 3D Patterning (Part I) (joint session KFM/CPP/HL)

CPP 12.6: Vortrag

Montag, 16. März 2020, 11:50–12:10, TOE 317

Coupling Single Mode Fibers to Single Quantum Emitters using Femtosecond 3D Printing Technology — •Ksenia Weber1, Simon Thiele2, Simon Ristok1, Sarah Fischbach3, Jan Hausen3, Lucas Bremer3, Mark Saritson4, Simone Protalupi4, Alois Herkommer2, Stefan Reitzenstein3, Peter Michler4, and Harald Gießen114th Physics Institute and Research Center SCoPE, University of Stuttgart, Stuttgart — 2Institute for Applied Optics and Research Center SCoPE, University of Stuttgart, Stuttgart — 3Institute of Solid State Physics, Technische Universität Berlin — 4Institut für Halbleiteroptik und Funktionelle Grenzflächen and Research Center SCoPE, University of Stuttgart

We propose a method to efficiently couple single photon quantum emitters to optical single mode fibers. Due to the undirected emission of single photon sources, such as quantum dots or defect centers in crystals, coupling into optical fibers which is essential for long range quantum communication is typically associated with high losses. To overcome this limitation, femtosecond two-photon lithography can be used to directly fabricate a combination of a microlens and an optical fiber holder onto a quantum emitter. A single mode optical fiber is then integrated into the fiber holder. Due to the high precision of the femtosecond 3D printing process, the position of the fiber core can be adjusted with sub-micrometer accuracy to match the focal point of the microlens. Light from the emitter which is focused by the microlens can therefore efficiently be coupled into the fiber. We present a number of different optical layouts and discuss their pros and cons.

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