A ballistic electron source with magnetically-controlled valley polarization in bilayer graphene

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Josep Ingla-Aynés, Antonio L. R. Manesco, Talieh S. Ghiasi, Kenji Watanabe, Takashi Taniguchi | Summary: The achievement of valley-polarized electron currents is a cornerstone for the realization of valleytronic devices. Here, we report on ballistic coherent transport experiments where two opposite quantum point […]


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Training and Predicting Visual Error for Real-Time Applications

Kavli Affiliate: Michael Wimmer | First 5 Authors: João Libório Cardoso, Bernhard Kerbl, Lei Yang, Yury Uralsky, Michael Wimmer | Summary: Visual error metrics play a fundamental role in the quantification of perceived image similarity. Most recently, use cases for them in real-time applications have emerged, such as content-adaptive shading and shading reuse to increase […]


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Enhancing the excitation gap of a quantum-dot-based Kitaev chain

Kavli Affiliate: Michael Wimmer | First 5 Authors: Chun-Xiao Liu, A. Mert Bozkurt, Francesco Zatelli, Sebastiaan L. D. ten Haaf, Tom Dvir | Summary: Connecting double quantum dots via a semiconductor-superconductor hybrid segment offers a platform for creating a two-site Kitaev chain that hosts a pair of "poor man’s Majoranas" at a finely tuned sweet […]


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SimLOD: Simultaneous LOD Generation and Rendering

Kavli Affiliate: Michael Wimmer | First 5 Authors: Markus Schütz, Lukas Herzberger, Michael Wimmer, , | Summary: About: We propose an incremental LOD generation approach for point clouds that allows us to simultaneously load points from disk, update an octree-based level-of-detail representation, and render the intermediate results in real time while additional points are still […]


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View-Independent Adjoint Light Tracing for Lighting Design Optimization

Kavli Affiliate: Michael Wimmer | First 5 Authors: Lukas Lipp, David Hahn, Pierre Ecormier-Nocca, Florian Rist, Michael Wimmer | Summary: Controlling light is a central element when composing a scene, enabling artistic expression, as well as the design of comfortable living spaces. In contrast to previous camera-based inverse rendering approaches, we introduce a novel method […]


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View-Independent Adjoint Light Tracing for Lighting Design Optimization

Kavli Affiliate: Michael Wimmer | First 5 Authors: Lukas Lipp, David Hahn, Pierre Ecormier-Nocca, Florian Rist, Michael Wimmer | Summary: Differentiable rendering methods promise the ability to optimize various parameters of 3d scenes to achieve a desired result. However, lighting design has so far received little attention in this field. In this paper, we introduce […]


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Kitaev chain in an alternating quantum dot-Andreev bound state array

Kavli Affiliate: Michael Wimmer | First 5 Authors: Sebastian Miles, David van Driel, Michael Wimmer, Chun-Xiao Liu, | Summary: We propose to implement a Kitaev chain based on an array of alternating normal and superconductor hybrid quantum dots embedded in semiconductors. In particular, the orbitals in the dot and the Andreev bound states in the […]


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Kitaev chain in an alternating quantum dot-Andreev bound state array

Kavli Affiliate: Michael Wimmer | First 5 Authors: Sebastian Miles, David van Driel, Michael Wimmer, Chun-Xiao Liu, | Summary: We propose to implement a Kitaev chain based on an array of alternating normal and superconductor hybrid quantum dots embedded in semiconductors. In particular, the orbitals in the dot and the Andreev bound states in the […]


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Reducing hardware requirements for entanglement distribution via joint hardware-protocol optimization

Kavli Affiliate: Stephanie Wehner | First 5 Authors: Adrià Labay-Mora, Francisco Ferreira da Silva, Stephanie Wehner, , | Summary: We conduct a numerical investigation of fiber-based entanglement distribution over distances of up to 1600km using a chain of processing-node quantum repeaters. We determine minimal hardware requirements while simultaneously optimizing over protocols for entanglement generation and […]


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Nonlinear dynamics and magneto-elasticity of nanodrums near the phase transition

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Makars Šiškins, Ata Keşkekler, Maurits J. A. Houmes, Samuel Mañas-Valero, Eugenio Coronado | Summary: Nanomechanical resonances of two-dimensional (2D) materials are sensitive probes for condensed-matter physics, offering new insights into magnetic and electronic phase transitions. Despite extensive research, the influence of the spin […]


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