Generalized Multiphoton Quantum Interference

Max Tillmann; Si-Hui Tan; Sarah E. Stoeckl; Barry C. Sanders; Hubert de Guise; Rene Heilmann; Stefan Nolte; Alexander Szameit; Philip Walther

doi:10.1103/PhysRevX.5.041015

Generalized Multiphoton Quantum Interference

Max Tillmann (Corresponding author), Si-Hui Tan, Sarah E. Stoeckl, Barry C. Sanders, Hubert de Guise, Rene Heilmann, Stefan Nolte, Alexander Szameit, Philip Walther

Quantum Optics, Quantum Nanophysics and Quantum Information

Publications: Contribution to journal › Article › Peer Reviewed

Abstract

Nonclassical interference of photons lies at the heart of optical quantum information processing. Here, we exploit tunable distinguishability to reveal the full spectrum of multiphoton nonclassical interference. We investigate this in theory and experiment by controlling the delay times of three photons injected into an integrated interferometric network. We derive the entire coincidence landscape and identify transition matrix immanants as ideally suited functions to describe the generalized case of input photons with arbitrary distinguishability. We introduce a compact description by utilizing a natural basis that decouples the input state from the interferometric network, thereby providing a useful tool for even larger photon numbers.

Original language	English
Article number	041015
Number of pages	23
Journal	Physical Review X
Volume	5
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevX.5.041015
Publication status	Published - 27 Oct 2015

Funding

The authors thank I. Dhand and J. Cotter for helpful discussions, M. Tomandl for assistance with the illustrations, and J. Nielsen and J. Kulp for computational assistance. M. T., S. E. S., and P. W. acknowledge support from the European Commission with the project EQuaM-Emulators of Quantum Frustrated Magnetism (No. 323714), GRASP-Graphene-Based Single-Photon Nonlinear Optical Devices (No. 613024), PICQUE-Photonic Integrated Compound Quantum Encoding (No. 608062), QuILMI-Quantum Integrated Light Matter Interface (No. 295293) and QUCHIP-Quantum Simulation on a Photonic Chip (No. 641039), the Vienna Center for Quantum Science and Technology (VCQ), and the Austrian Science Fund (FWF) with the projects PhoQuSi Photonic Quantum Simulators (Y585-N20) and the doctoral programme CoQuS Complex Quantum Systems, the Vienna Science and Technology Fund (WWTF) under Grant No. ICT12-041, and the Air Force Office of Scientific Research, Air Force Material Command, United States Air Force, under Grant No. FA8655-11-1-3004. B. C. S. acknowledges support from AITF (Alberta Innovates Technology Futures), NSERC (Natural Sciences and Engineering Research Council), and CIFAR (Canadian Institute for Advanced Research). The work of H. deG. is supported in part by NSERC of Canada. This material is also based on research supported in part by the Singapore National Research Foundation under NRF Award No. NRF-NRFF2013-01 (S.-H. T.). R. H., S. N., and A. S. acknowledge support from the German Ministry of Education and Research (Center for Innovation Competence programme, Grant No. 03Z1HN31), the Deutsche Forschungsgemeinschaft (Grant No. NO462/6-1), and the Thuringian Ministry for Education, Science and Culture (Research group Spacetime, Grant No. 11027-514).

Austrian Fields of Science 2012

103026 Quantum optics

Keywords

LINEAR OPTICS
COMPUTATIONAL-COMPLEXITY
PHOTONS
EFFICIENCY

Access to Document

10.1103/PhysRevX.5.041015Licence: CC BY 3.0

QUCHIP: Quantum Simulation on a Photonic Chip
Walther, P. (Project Lead) & Paulovics, V. (Admin)
1/03/15 → 28/02/18
Project: Research funding
GRASP: GRAPHENE-BASED SINGLE-PHOTON NONLINEAR OPTICAL DEVICES
Walther, P. (Project Lead) & Paulovics, V. (Admin)
1/01/14 → 31/12/17
Project: Research funding
EQuaM: Emulators of Quantum Frustrated Magnetism
Walther, P. (Project Lead) & Paulovics, V. (Admin)
1/10/13 → 30/06/17
Project: Research funding

Cite this

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title = "Generalized Multiphoton Quantum Interference",

abstract = "Nonclassical interference of photons lies at the heart of optical quantum information processing. Here, we exploit tunable distinguishability to reveal the full spectrum of multiphoton nonclassical interference. We investigate this in theory and experiment by controlling the delay times of three photons injected into an integrated interferometric network. We derive the entire coincidence landscape and identify transition matrix immanants as ideally suited functions to describe the generalized case of input photons with arbitrary distinguishability. We introduce a compact description by utilizing a natural basis that decouples the input state from the interferometric network, thereby providing a useful tool for even larger photon numbers.",

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AU - Heilmann, Rene

AU - Nolte, Stefan

AU - Szameit, Alexander

AU - Walther, Philip

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KW - COMPUTATIONAL-COMPLEXITY

KW - PHOTONS

KW - EFFICIENCY

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Generalized Multiphoton Quantum Interference

Abstract

Funding

Austrian Fields of Science 2012

Keywords

Access to Document

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Projects

QUCHIP: Quantum Simulation on a Photonic Chip

GRASP: GRAPHENE-BASED SINGLE-PHOTON NONLINEAR OPTICAL DEVICES

EQuaM: Emulators of Quantum Frustrated Magnetism

Cite this