Active demultiplexing of single photons from a solid‐state source

Lenzini, Francesco; Haylock, Ben; Loredo, J. C.; Abrahão, Raphael A.; Zakaria, Nor Azwa; Kasture, Sachin; Sagnes, I.; Lemaı̂tre, A.; Phan, Hoang‐Phuong; Dao, Dzung Viet; Senellart, P.; Almeida, M. P.; White, A. G.; Lobino, Mirko

doi:10.1002/lpor.201600297

Cited by 75 publications

(71 citation statements)

References 21 publications

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“…Typically, the compensation of these drifts requires active feedback using additional lasers. Recent progress in bright deterministic single‐photon sources, fast and low‐loss optical switches, and high‐efficiency single‐photon detection holds the promise to further improve the applicability of the protocol.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Experimental Two‐Way Communication with One Photon

et al. 2019

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Superposition of two or more states is one of the most fundamental concepts of quantum mechanics and provides a basis for several advantages offered by quantum information processing. This work reports the experimental demonstration of two‐way communication between two distant parties that can exchange only a single particle once, an impossible task in classical physics. This is achieved through preparation of a single photon in a coherent superposition of the two parties' locations. Furthermore, it is shown that this concept allows the parties to perform secure and anonymous quantum communication employing one particle per transmitted bit. These important features can lead to the realization of new quantum communication schemes, which are simultaneously anonymous, secure, and resource‐efficient.

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Section: Conclusion and Discussionmentioning

confidence: 99%

Experimental Two‐Way Communication with One Photon

et al. 2019

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“…Lithium niobate, a material that is already well established in classical integrated photonics, is an efficient and flexible platform for photon sources and fast switchable electro-optical components operating at the GHz rates. Both ion-indiffused and high-indexcontrast etched waveguides are being developed and employed 149,165,[189][190][191][192] . Silicon-based optical chips offer high component density, low loss, the ability or potential to integrate every necessary component, and compatibility with existing foundry processes 193 .…”

Section: Integrated Quantum Photonicsmentioning

confidence: 99%

Photonic quantum information processing: A concise review

Slussarenko

Pryde

2019

Applied Physics Reviews

484

308

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Photons have been a flagship system for studying quantum mechanics, advancing quantum information science, and developing quantum technologies. Quantum entanglement, teleportation, quantum key distribution and early quantum computing demonstrations were pioneered in this technology because photons represent a naturally mobile and low-noise system with quantum-limited detection readily available. The quantum states of individual photons can be manipulated with very high precision using interferometry, an experimental staple that has been under continuous development since the 19th century. The complexity of photonic quantum computing device and protocol realizations has raced ahead as both underlying technologies and theoretical schemes have continued to develop. Today, photonic quantum computing represents an exciting path to medium-and large-scale processing. It promises to out aside its reputation for requiring excessive resource overheads due to inefficient two-qubit gates. Instead, the ability to generate large numbers of photons-and the development of integrated platforms, improved sources and detectors, novel noise-tolerant theoretical approaches, and more-have solidified it as a leading contender for both quantum information processing and quantum networking. Our concise review provides a flyover of some key aspects of the field, with a focus on experiment. Apart from being a short and accessible introduction, its many references to in-depth articles and longer specialist reviews serve as a launching point for deeper study of the field. CONTENTS arXiv:1907.06331v1 [quant-ph]

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“…[] on a diamond on insulator platform (see Figure ), providing an additional important building block for a diamond‐based integrated quantum photonics architecture. Thanks to the high Young's module of diamond, excitation of mechanical modes with mechanical resonance frequency up to 115 MHz was reported, demonstrating the potential of this material platform for fast routing applications …”

Section: Active Componentsmentioning

confidence: 98%

Diamond as a Platform for Integrated Quantum Photonics

Lenzini¹,

Gruhler²,

Walter³

et al. 2018

Adv Quantum Tech

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Integrated quantum photonics enables the generation, manipulation, and detection of quantum states of light in miniaturized waveguide circuits. Implementation of these three operations in a single integrated platform is a crucial step toward a fully scalable approach to quantum photonic technologies. In this context, diamond has emerged as a particularly promising material as it naturally combines a large transparency range for the fabrication of low‐loss photonic circuits, and a variety of optically active defects for the realization of efficient single‐photon emitters. Furthermore, its high Young's modulus makes it ideal for the implementation of tunable optomechanical devices for active quantum state manipulation. This review reports recent progress on the realization of the main components required for a diamond‐based integrated quantum photonic architecture: single‐photon emitters, static and actively tunable waveguide circuits, and, as a last building block, integrated superconducting single‐photon detectors.

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Active demultiplexing of single photons from a solid‐state source

Cited by 75 publications

References 21 publications

Experimental Two‐Way Communication with One Photon

Experimental Two‐Way Communication with One Photon

Photonic quantum information processing: A concise review

Diamond as a Platform for Integrated Quantum Photonics

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