Roadmap on quantum light spectroscopy

Mukamel, Shaul; Freyberger, Matthias; Schleich, Wolfgang P.; Bellini, M.; Zavatta, Alessandro; Leuchs, Gerd; Silberhorn, Christine; Boyd, Robert W.; Sánchez-Soto, Luis L.; Stefanov, André; Barbieri, Marco; Paterova, Anna V.; Krivitsky, Leonid A.; Shwartz, Sharon; Tamasaku, Kenji; Dorfman, Konstantin E.; Schlawin, Frank; Sandoghdar, Vahid; Raymer, Michael G.; Marcus, Andrew H.; Varnavski, Oleg; Goodson, Theodore; Zhou, Zhi-Yuan; Shi, Bao‐Sen; Asban, Shahaf; Scully, Marlan O.; Agarwal, G. S.; Peng, Tao; Sokolov, Alexei V.; Zhang, Zhedong; Zubairy, M. Suhail; Vartanyants, Ivan A.; Valle, Elena del; Laussy, Fabrice P.

doi:10.1088/1361-6455/ab69a8

Cited by 125 publications

(87 citation statements)

References 179 publications

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“…The motivation to such a shaping scheme is the creation of very large number Fock states. These states enable many applications in quantum information, as they can be used to create displaced Fock states (see below in the "Creation of displaced Fock states" section), enable non-Gaussian photon statistics, have many uses in quantum spectroscopy (45), and form a basis for any quantum state.…”

Section: Creation Of Photonic Fock Statesmentioning

confidence: 99%

Shaping quantum photonic states using free electrons

et al. 2021

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It is a long-standing goal to create light with unique quantum properties such as squeezing and entanglement. We propose the generation of quantum light using free-electron interactions, going beyond their already ubiquitous use in generating classical light. This concept is motivated by developments in electron microscopy, which recently demonstrated quantum free-electron interactions with light in photonic cavities. Such electron microscopes provide platforms for shaping quantum states of light through a judicious choice of the input light and electron states. Specifically, we show how electron energy combs implement photon displacement operations, creating displaced-Fock and displaced-squeezed states. We develop the theory for consecutive electron-cavity interactions with a common cavity and show how to generate any target Fock state. Looking forward, exploiting the degrees of freedom of electrons, light, and their interaction may achieve complete control over the quantum state of the generated light, leading to novel light statistics and correlations.

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Section: Creation Of Photonic Fock Statesmentioning

confidence: 99%

Shaping quantum photonic states using free electrons

et al. 2021

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“…An important case of CPF is locating a (bosonic) thermal loss channel with a different transmissivity or induced noise amongst a sequence of background lossy channels. This is a task with applications in quantum illumination [5][6][7], spectroscopy [8,9], and quantum reading [10,11]. In quantum illumination, one may know that a target is present in one of several locations but not know where.…”

Section: Introductionmentioning

confidence: 99%

Idler-free channel position finding

et al. 2021

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Entanglement is a powerful tool for quantum sensing, and entangled states can greatly boost the discriminative power of protocols for quantum illumination, quantum metrology, or quantum reading. However, entangled state protocols generally require the retention of an idler state, to which the probes are entangled. Storing a quantum state is difficult and so technological limitations can make protocols requiring quantum memories impracticable. One alternative is idler-free protocols that utilise non-classical sources but do not require any idler states to be stored. Here we apply such a protocol to the task of channel position finding. This involves finding a target channel in a sequence of background channels, and has many applications, including quantum sensing, quantum spectroscopy, and quantum reading.

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“…uantum states of light provide an exciting platform for observing and controlling matter beyond what is possible classically [1][2][3][4] . Quantum states are very sensitive to the external environment, which makes them useful probes of matter.…”

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confidence: 99%

Hong-Ou-Mandel interferometry and spectroscopy using entangled photons

Dorfman

Asban

et al. 2021

Commun Phys

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Optical interferometry has been a long-standing setup for characterization of quantum states of light. Both linear and the nonlinear interferences can provide information regarding the light statistics and underlying detail of the light-matter interactions. Here we demonstrate how interferometric detection of nonlinear spectroscopic signals may be used to improve the measurement accuracy of matter susceptibilities. Light-matter interactions change the photon statistics of quantum light, which are encoded in the field correlation functions. Application is made to the Hong-Ou-Mandel two-photon interferometer that reveals entanglement-enhanced resolution that can be achieved with existing optical technology.

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Roadmap on quantum light spectroscopy

Cited by 125 publications

References 179 publications

Shaping quantum photonic states using free electrons

Shaping quantum photonic states using free electrons

Idler-free channel position finding

Hong-Ou-Mandel interferometry and spectroscopy using entangled photons

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