Observation of field-odd and field-free superconducting diode effects in $mathrmMo_2mathrmC$ nanoflakes

Kavli Affiliate: Wei Gao| Summary:The superconducting diode effect (SDE) enables nonreciprocal supercurrent flow, holding immense potential for ultra-low-power quantum electronics. Intrinsic SDE typically requires materials with inherent symmetry breakings. Here, we report the discovery of SDE in chemical vapor deposition-grown molybdenum carbide ($mathrmMo_2mathrmC$) nanoflakes, a material traditionally considered centrosymmetric. Strikingly, this system uniquely hosts both […]


Continue.. Observation of field-odd and field-free superconducting diode effects in $mathrmMo_2mathrmC$ nanoflakes

AccelCIM: Systematic Dataflow Exploration for SRAM Compute-in-Memory Accelerator

Kavli Affiliate: Wei Gao| Summary:SRAM-based compute-in-memory (CIM) offers high computational density and energy efficiency for deep neural network (DNN) accelerators, but its limited capacity causes on/off-chip data movement overhead for large DNN models. Existing CIM accelerator studies typically assume that DNN models fit entirely on-chip, leaving efficient dataflow design largely untapped. This paper introduces AccelCIM, […]


Continue.. AccelCIM: Systematic Dataflow Exploration for SRAM Compute-in-Memory Accelerator

Characterizing Earth analogs may require a moderate or high-resolution spectrograph

Kavli Affiliate: Dimitri Mawet| Summary:A primary goal of the Habitable Worlds Observatory (HWO) is to detect and measure the abundance of biosignature molecules, such as water (H2O) and oxygen (O2), in the atmosphere of Earth analogs. This is expected to require deep spectroscopic observations lasting hundreds of hours per planet. In this context, it is […]


Continue.. Characterizing Earth analogs may require a moderate or high-resolution spectrograph

Hierarchical Progressive Pauli Noise Modeling with Residual Compensation for Multi-Qubit Quantum Circuits

Kavli Affiliate: Anqi Zhang| Summary:Quantum Noise Characterization (QNC) is indispensable for benchmarking and mitigating errors in Noisy Intermediate-Scale Quantum (NISQ) devices. However, traditional Quantum Process Tomography (QPT) suffers from an exponential parameter explosion $O(4^N)$, severely hindering its scalability. In this paper, we propose a Hierarchical Progressive Optimization (HPO) framework to efficiently extract high-order spatial crosstalk […]


Continue.. Hierarchical Progressive Pauli Noise Modeling with Residual Compensation for Multi-Qubit Quantum Circuits

PAPUS: Pauli-Space-Based Multiclass Quantum Classification

Kavli Affiliate: Anqi Zhang| Summary:Quantum classification faces two key challenges. First, the difficulty of distinguishing between different classes varies: some class pairs are easy to separate, while others are more challenging. Second, practical execution is affected by noise, finite sampling, and measurement overhead. To address these issues, we propose PAPUS, a framework for pair-adaptive quantum […]


Continue.. PAPUS: Pauli-Space-Based Multiclass Quantum Classification

Fast, High-Fidelity Erasure Detection of Dual-Rail Qubits with Symmetrically Coupled Readout

Kavli Affiliate: Oskar Painter | Summary:Erasure qubits are a promising platform for implementing hardware-efficient quantum error correction. Realizing the error-correction advantages of this encoding requires frequent mid-circuit erasure checks that are fast, high-fidelity, and scalable. Here, we realize erasure detection with a hardware-efficient circuit consisting of a single readout resonator dispersively and symmetrically coupled to […]


Continue.. Fast, High-Fidelity Erasure Detection of Dual-Rail Qubits with Symmetrically Coupled Readout

Picometer-Scale Spatial Symmetry Breaking in Active Transmissive Metasurfaces

Kavli Affiliate: Harry Atwater | Summary:Active transmissive metasurfaces are central building blocks for future compact, cascadable optical systems, enabling the stacking of multiple functional layers for advanced dynamic beam shaping, photonic neural networks, depth sensing, and holography. We present a transmissive electro-optic metasurface based on silicon-on-lithium-niobate, where an array of silicon waveguides with periodic perturbations, […]


Continue.. Picometer-Scale Spatial Symmetry Breaking in Active Transmissive Metasurfaces

Picometer-Scale Spatial Symmetry Breaking in Active Transmissive Metasurfaces

Kavli Affiliate: Harry Atwater | Summary:Active transmissive metasurfaces are central building blocks for future compact, cascadable optical systems, enabling the stacking of multiple functional layers for advanced dynamic beam shaping, photonic neural networks, depth sensing, and holography. We present a transmissive electro-optic metasurface based on silicon-on-lithium-niobate, where an array of silicon waveguides with periodic perturbations, […]


Continue.. Picometer-Scale Spatial Symmetry Breaking in Active Transmissive Metasurfaces

Observation of Tunable Superradiant Frequency Combs

Kavli Affiliate: Andrei Faroan | Summary:Cavity quantum electrodynamics (QED) with quantum emitters coupled to resonators provides a powerful platform for engineering light-matter interactions and exploring collective phenomena. In particular, superradiance, arising from collective quantum interference among emitters, has been explored as a route to ultrastable continuous radiation. However, engineering superradiance in the time domain to […]


Continue.. Observation of Tunable Superradiant Frequency Combs

Observation of Tunable Superradiant Frequency Combs

Kavli Affiliate: Andrei Faroan | Summary:Cavity quantum electrodynamics (QED) with quantum emitters coupled to resonators provides a powerful platform for engineering light-matter interactions and exploring collective phenomena. In particular, superradiance, arising from collective quantum interference among emitters, has been explored as a route to ultrastable continuous radiation. However, engineering superradiance in the time domain to […]


Continue.. Observation of Tunable Superradiant Frequency Combs