Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session K00: Poster Session II (4pm-6pm CDT)
4:00 PM,
Wednesday, June 5, 2024
Room: Hall BC
Abstract: K00.00097 : A quantum network node with parabolic mirror and pre-aligned optics*
Presenter:
Akbar Safari
(University of Wisconsin - Madison)
Authors:
Akbar Safari
(University of Wisconsin - Madison)
Preston Huft
(University of Wisconsin - Madison)
Eunji Oh
(University of Wisconsin - Madison)
Ethan Lu
(University of Wisconsin - Madison)
Gavin Chase
(University of Wisconsin - Madison)
Omar Nagib
(UW-Madison)
Mark Saffman
(University of Wisconsin - Madison, Infleqtion, Inc.)
Here, we report on our progress towards remote entanglement of two rubidium atoms which form the building block of the quantum network. In order to increase the entanglement rate, we use a parabolic mirror to collect the scattered photons. The collected photons are coupled into a single-mode fiber inside the vacuum chamber which also carries the dipole trap light. Therefore, the photon collection efficiency is insensitive to slight misalignment of the optics. Moreover, we have built the core of the setup on a chip by using millimeter-size optics. With the pre-aligned optics on the chip and fiber-coupled out of the vacuum chamber, the assembly can function as a plug-and-play quantum network node.
*This material is based upon work supported by the U.S. Department of Energy Office of Science National Quantum Information Science Research Centers as part of the Q-NEXT center, as well as support from NSF Award 2016136 for the QLCI center Hybrid Quantum Architectures and Networks, and NSF award 2228725.
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