January 18, 2025
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SandboxAQ Secures $300M to Scale Large Quantitative Models

SandboxAQ has announced a significant funding round of over $300 million from prominent investors including Fred Alger Management, T. Rowe Price Associates, Mumtalakat, and notable individuals like Eric Schmidt, Marc Benioff and Yann LeCun. The […]

Professor Liang Feng and group members Xilin Feng, Tianwei Wu, and Shuang Wu, from left. Credit: Bella Ciervo

Quantum Physics Powers New Era of Ultra-Fast Optical Switches

Researchers at the University of Pennsylvania’s School of Engineering and Applied Science have developed a revolutionary photonic switch that transforms data transmission in fiber-optic networks. The switch, detailed in Nature Photonics, measures just 85 by […]

Schematic of the experimental setup including a spectrally-multiplexed photon pair source, a VIPA-based demultiplexer for mapping spectral modes to distinct spatial channels, and a Tm3+:LiNbO3-based spectral filter: APD - avalanche photodiode; DDG - digital delay generator; SNSPD - superconducting nanowire single photon detector; AD - achromatic Doublet (focusing lens coupling the output beam into collection fiber).

Towards a spectrally multiplexed quantum repeater

Extended quantum networks are based on quantum repeaters that often rely on the distribution of entanglement in an efficient and heralded fashion over multiple network nodes. Many repeater architectures require multiplexed sources of entangled photon […]

Quadrupolar Resonance Spectroscopy of Individual Nuclei Using a Room-Temperature Quantum Sensor

Engineers Break Ground with Single-Atom Detection Technology

Engineers at Penn Engineering have achieved a remarkable advancement in Nuclear Quadrupolar Resonance (NQR) spectroscopy, developing a technique capable of detecting signals from individual atoms. This breakthrough represents a significant leap forward from traditional methods […]

Excitonic pairing and two-component FQHE

Fractional Exciton: A New Quantum Particle!

Scientists at Brown University have made a significant breakthrough by discovering a new class of quantum particles called fractional excitons, which display characteristics of both fermions and bosons. The research, published in Nature on January […]

Schematic of the setup

Demonstration of High-Fidelity Integrated Spin-Wave Quantum Storage

A significant advancement in quantum technology has been achieved through the successful demonstration of an integrated spin-wave quantum memory, addressing key challenges in photon transmission loss and noise suppression. This development is particularly crucial for […]