Mutual information fluctuations and non-stabilizerness in random circuits

Kavli Affiliate: Eliska Greplova | First 5 Authors: Arash Ahmadi, Jonas Helsen, Cagan Karaca, Eliska Greplova, | Summary: The emergence of quantum technologies has brought much attention to the characterization of quantum resources as well as the classical simulatability of quantum processes. Quantum resources, as quantified by non-stabilizerness, have in one theoretical approach been linked […]


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Microwave-optics entanglement via coupled opto- and magnomechanical microspheres

Kavli Affiliate: Simon Groblacher | First 5 Authors: Hao-Tian Li, Zhi-Yuan Fan, Huai-Bing Zhu, Simon Gröblacher, Jie Li | Summary: Microwave-optics entanglement plays a crucial role in building hybrid quantum networks with quantum nodes working in the microwave and optical frequency bands. However, there are limited efficient ways to produce such entanglement due to the […]


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Long-range optomechanical interactions in SiN membrane arrays

Kavli Affiliate: Simon Groblacher | First 5 Authors: Xiong Yao, Matthijs H. J. de Jong, Jie Li, Simon Gröblacher, | Summary: Optomechanical systems using a membrane-in-the-middle configuration can exhibit a long-range type of interaction similar to how atoms show collective motion in an optical potential. Photons bounce back and forth inside a high-finesse Fabry-P'{e}rot cavity […]


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Design and demonstration of an operating system for executing applications on quantum network nodes

Kavli Affiliate: Stephanie Wehner | First 5 Authors: Carlo Delle Donne, Mariagrazia Iuliano, Bart van der Vecht, Guilherme Maciel Ferreira, Hana Jirovská | Summary: The goal of future quantum networks is to enable new internet applications that are impossible to achieve using solely classical communication. Up to now, demonstrations of quantum network applications and functionalities […]


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Convexification of the Quantum Network Utility Maximisation Problem

Kavli Affiliate: Stephanie Wehner | First 5 Authors: Sounak Kar, Stephanie Wehner, , , | Summary: Network Utility Maximisation (NUM) addresses the problem of allocating resources fairly within a network and explores the ways to achieve optimal allocation in real-world networks. Although extensively studied in classical networks, NUM is an emerging area of research in […]


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Computational quantum transport

Kavli Affiliate: Michael Wimmer | First 5 Authors: Xavier Waintal, Michael Wimmer, Anton Akhmerov, Christoph Groth, Branislav K. Nikolic | Summary: This review is devoted to the different techniques that have been developed to compute the coherent transport properties of quantum nanoelectronic systems connected to electrodes. Beside a review of the different algorithms proposed in […]


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A robust, fiber-coupled scanning probe magnetometer using electron spins at the tip of a diamond nanobeam

Kavli Affiliate: Toeno Van Der Sar | First 5 Authors: Yufan Li, Gesa Welker, Richard Norte, Toeno van der Sar, | Summary: Fiber-coupled sensors are well suited for sensing and microscopy in hard-to-reach environments such as biological or cryogenic systems. We demonstrate fiber-based magnetic imaging based on nitrogen-vacancy (NV) sensor spins at the tip of […]


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Heterogeneous integration of amorphous silicon carbide on thin film lithium niobate

Kavli Affiliate: Simon Groblacher | First 5 Authors: Zizheng Li, Naresh Sharma, Bruno Lopez-Rodriguez, Roald van der Kolk, Thomas Scholte | Summary: In the past decade, lithium niobate (LiNbO3 or LN) photonics, thanks to its heat-free and fast electro-optical modulation, second-order non-linearities and low loss, has been extensively investigated. Despite numerous demonstrations of high-performance LN […]


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Magic silicon dioxide for widely tunable integrated photonics

Kavli Affiliate: Simon Groblacher | First 5 Authors: Bruno Lopez-Rodriguez, Naresh Sharma, Zizheng Li, Roald van der Kolk, Jasper van der Boom | Summary: Integrated photonic circuits have transformed data communication, biosensing, and light detection and ranging, and hold wide-ranging potential for optical computing, optical imaging and signal processing. These applications often require tunable and […]


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The quantum metric of electrons with spin-momentum locking

Kavli Affiliate: Andrea D. Caviglia | First 5 Authors: Giacomo Sala, Maria Teresa Mercaldo, Klevis Domi, Stefano Gariglio, Mario Cuoco | Summary: Quantum materials are characterized by electromagnetic responses intrinsically linked to the geometry and topology of the electronic wavefunctions. These properties are encoded in the quantum metric and Berry curvature. While Berry curvature-mediated transport […]


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