• Technical Conference: 

    09 – 14 May 2021

  • Exhibition: 

    10 – 14 May 2021

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STh1D

Quantum Science with Photons, Atoms, Ions, and Phonons

Presider: Eisuke Abe, RIKEN

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Presentations

Deterministic Generation of Entanglement in Quantum Networks by Distributed Coherent Absorption (STh1D.1)
Presenter: Anton Vetlugin, Nanyang Technological University

We demonstrate that coherent absorption offers a robust and efficient way to generate quantum entanglement in multi-nodal quantum networks. Proof-of principle experiment in a bi-nodal network is reported.

Authors:Anton Vetlugin, Nanyang Technological University / Ruixiang Guo, Nanyang Technological University / Cesare Soci, Nanyang Technological University / Nikolay Zheludev, University of Southampton

  Paper

Spectral Compression and Broadening Using Time-Varying Cavities (STh1D.2)
Presenter: Karthik Myilswamy, Purdue University

We propose and analyse the use of time-varying cavities for spectral compression and spectral broadening, with potential applications in quantum networking. Our time-varying cavities rely on rapid electro-optic switching of input/ output coupling.

Authors:Karthik Myilswamy, Purdue University / Andrew Weiner, Purdue University

  Paper

Secure High Dimensional Quantum Key Distribution Based on Wavelength-Multiplexed Time-Bin Encoding (STh1D.3)
Presenter: Xiang Cheng, University of California Los Angeles

We experimentally demonstrated high-dimensional quantum key distribution with wavelength-multiplexed time-bin encoding, with photon information efficiency up to 4.082 secure-key bits/photon and secure-key rate up to 237-kbit/s. Security will be verified with dual-basis Franson interferometers.

Authors:Xiang Cheng, University of California Los Angeles / Murat Can Sarihan, University of California Los Angeles / Kai-Chi Chang, University of California Los Angeles / Changchen Chen, Massachusetts Institute of Technology / Franco Wong, Massachusetts Institute of Technology / Chee Wei Wong, University of California Los Angeles

  Paper

(Withdrawn) Quantum Science With Tweezer Arrays (STh1D.4)
Presenter: Manuel Endres, Caltech

Optical tweezer arrays applied to cold neutral atoms have emerged as a versatile platform for quantum science. In particular, atom-by-atom assembly—a feedback-based scheme for entropy removal—now enables the generation of defect-free atomic arrays with flexible geometric arrangements. Such atomic arrays form the starting point for experiments in quantum simulation, metrology computing based on excitation to Rydberg states. I will give an overview of these developmens and recent results.

Authors:Manuel Endres, Caltech

Atomic Quantum Wires in Ising-Spin Chain Models (STh1D.5)
Presenter: Minhyuk Kim, Korea Advanced Inst of Science & Tech

We implement quantum wires in Rydberg atom systems to program graph-connected Ising spins. With auxiliary atoms arranged in wires, we show that non-adjacent qubits are on-demand coupled for an Ising Hamiltonian of arbitrary graph connections.

Authors:Minhyuk Kim, Korea Advanced Inst of Science & Tech / Kangheun Kim, Korea Advanced Inst of Science & Tech / Jaewook Ahn, Korea Advanced Inst of Science & Tech

  Paper

Strain-Mediated Energy Control of Rare-Earth Ions Toward a Highly-Coherent Hybrid Opto-Mechanical System (STh1D.6)
Presenter: Ryuichi Ohta, NTT Basic Research Laboratories

We demonstrate the energy modulation of Erbium ions using the vibrational strain of a mechanical resonator. This originates from the dispersive opto-mechanical interaction enabling the ions to be coherently coupled to the mechanical mode.

Authors:Ryuichi Ohta, NTT Basic Research Laboratories / Loic Herpin, NTT Basic Research Laboratories / Victor Bastidas, NTT Basic Research Laboratories / Takehiko Tawara, NTT Basic Research Laboratories / Hiroshi Yamaguchi, NTT Basic Research Laboratories / Hajime Okamoto, NTT Basic Research Laboratories

  Paper

Etched-Groove Focusing GaAs Surface Acoustic Wave Cavities for Enhanced Coupling to Quantum Emitters (STh1D.7)
Presenter: Poolad Imany, National Institute of Standards and Technology

We demonstrate focusing cavities of surface acoustic waves on gallium arsenide with quality factors reaching 20,000. These cavities can potentially enhance coupling of surface phonons to a wide variety of quantum systems, possibly enabling efficient quantum transduction.

Authors:Poolad Imany, National Institute of Standards and Technology / Zixuan Wang, National Institute of Standards and Technology / Corey McDonald, National Institute of Standards and Technology / Travis Autry, National Institute of Standards and Technology / Samuel Berweger, National Institute of Standards and Technology / Robert Boutelle, National Institute of Standards and Technology / Pavel Kabos, National Institute of Standards and Technology / Richard Mirin, National Institute of Standards and Technology / Kevin Silverman, National Institute of Standards and Technology

  Paper