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NTT technical review

A New Lab Exploring Emergent Matter from Light

M. D. Fraser

Published Jan 1, 2022• 0 citations
Publisher

Abstract

In September 2021, NTT Research unveiled its new smart workspace in Sunnyvale, California, called the NTT OneVision building.It is one of the first office buildings in Silicon Valley built for a post-pandemic vision of the workplace with collaboration-focused spaces, state-of-the-art health monitoring capabilities, and new layouts.The 35,100 square foot office building also contains a new optical laboratory for the NTT Research Physics & Informatics Laboratories (PHI Lab).The Sunnyvale optical lab supports multiple users and research themes.One specific design focus when planning the new lab was to provide ways to experimentally create and study many-body states of light, a specific example of which is the engineering of a bosonic fractional quantum Hall state using light.This article provides a brief review of our research agenda on quantum many-body states of light and details of the new lab.

DOI
10.53829/ntr202201fa16

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Researchers at NTT Basic Research Laboratories are aiming to create new technologies harnessing the power of quantum mechanics.In November 2020, they proposed a method for compressing quantum circuits to enable high-speed quantum computation and the miniaturization of quantum computers in the US scientific journal Physical Review X.In February 2021, the British scientific journal Nature Communications published a paper on the demonstration of a high-speed quantum random-number generator that achieves the highest levels of security by using the world's first practical optical device.We interviewed William John Munro, a senior distinguished researcher at the laboratories and leading figure in the broad field of quantum technology, about his research activities and his attitude as a researcher.
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To achieve innovations in the era of the Innovative Optical and Wireless Network (IOWN), for example, predicting the future by Digital Twin Computing, a computing infrastructure that supports ultrahigh-speed and ultra-large-scale computing is needed.This need has led to a growing interest in quantum computers, which execute operations in a completely different way than conventional computers.NTT Computer and Data Science Laboratories is engaged in both (i) theoretical research to create system architectures that maximize the capabilities of quantum computers and (ii) development of system and software technology for practical applications of quantum computers.
Chiral quantum optics is a growing field of research in which light-matter interactions become asymmetrically dependent on momentum and spin, offering novel control over photonic and electronic degrees of freedom. Recently, the platforms for investigating chiral light-matter interactions have expanded from laser-cooled atoms and quantum dots to various solid-state systems, such as microcavity polaritons and two-dimensional layered materials, integrated into photonic structures such as waveguides, cavities, and ring resonators. In this Perspective, we begin by establishing the foundation for understanding and engineering these chiral light-matter regimes. We review the cutting-edge platforms that have enabled their successful realization in recent years, focusing on solid-state platforms, and discuss the most relevant experimental challenges to fully harness their potential. Finally, we explore the vast opportunities that these chiral light-matter interfaces present, particularly their ability to reveal exotic quantum many-body phenomena, such as chiral many-body superradiance and fractional quantum Hall physics.
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