Multidimensional mode-separable frequency conversion for high-speed quantum communication

Paritosh Manurkar; Nitin Jain; Michael Silver; Yu Ping Huang; Carsten Langrock; Martin M. Fejer; Prem Kumar; Gregory S. Kanter

doi:10.1364/OPTICA.3.001300

Multidimensional mode-separable frequency conversion for high-speed quantum communication

Paritosh Manurkar^*, Nitin Jain, Michael Silver, Yu Ping Huang, Carsten Langrock, Martin M. Fejer, Prem Kumar, Gregory S. Kanter

^*Corresponding author for this work

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

Quantum frequency conversion (QFC) of photonic signals preserves quantum information while simultaneously changing the signal wavelength. A common application of QFC is to translate the wavelength of a signal compatible with the current fiber-optic infrastructure to a shorter wavelength more compatible with high-quality single-photon detectors and optical memories. Recent work has investigated the use of QFC to manipulate and measure specific temporal modes (TMs) through tailoring the pump pulses. Such a scheme holds promise for multidimensional quantum state manipulation that is both low loss and re-programmable on a fast time scale. We demonstrate the first QFC temporal mode sorting system in a four-dimensional Hilbert space, achieving a conversion efficiency and mode separability as high as 92% and 0.84, respectively. A 20-GHz pulse train is projected onto 6 different TMs, including superposition states, and mode separability with weak coherent signals is verified via photon counting. Such ultrafast high-dimensional photonic signals could enable long-distance quantum communication at high rates.

Original language	English (US)
Pages (from-to)	1300-1307
Number of pages	8
Journal	Optica
Volume	3
Issue number	12
DOIs	https://doi.org/10.1364/OPTICA.3.001300
State	Published - Dec 20 2016

Keywords

Nonlinear optics, parametric processes
Pulse shaping
Quantum communications

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics

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10.1364/OPTICA.3.001300

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title = "Multidimensional mode-separable frequency conversion for high-speed quantum communication",

abstract = "Quantum frequency conversion (QFC) of photonic signals preserves quantum information while simultaneously changing the signal wavelength. A common application of QFC is to translate the wavelength of a signal compatible with the current fiber-optic infrastructure to a shorter wavelength more compatible with high-quality single-photon detectors and optical memories. Recent work has investigated the use of QFC to manipulate and measure specific temporal modes (TMs) through tailoring the pump pulses. Such a scheme holds promise for multidimensional quantum state manipulation that is both low loss and re-programmable on a fast time scale. We demonstrate the first QFC temporal mode sorting system in a four-dimensional Hilbert space, achieving a conversion efficiency and mode separability as high as 92% and 0.84, respectively. A 20-GHz pulse train is projected onto 6 different TMs, including superposition states, and mode separability with weak coherent signals is verified via photon counting. Such ultrafast high-dimensional photonic signals could enable long-distance quantum communication at high rates.",

keywords = "Nonlinear optics, parametric processes, Pulse shaping, Quantum communications",

author = "Paritosh Manurkar and Nitin Jain and Michael Silver and Huang, {Yu Ping} and Carsten Langrock and Fejer, {Martin M.} and Prem Kumar and Kanter, {Gregory S.}",

note = "Funding Information: Defense Advanced Research Projects Agency (DARPA) Quiness program (W31P4Q-13-1-0004). Publisher Copyright: {\textcopyright} 2016 Optical Society of America.",

year = "2016",

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doi = "10.1364/OPTICA.3.001300",

language = "English (US)",

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AU - Manurkar, Paritosh

AU - Jain, Nitin

AU - Silver, Michael

AU - Huang, Yu Ping

AU - Langrock, Carsten

AU - Fejer, Martin M.

AU - Kumar, Prem

AU - Kanter, Gregory S.

PY - 2016/12/20

Y1 - 2016/12/20

N2 - Quantum frequency conversion (QFC) of photonic signals preserves quantum information while simultaneously changing the signal wavelength. A common application of QFC is to translate the wavelength of a signal compatible with the current fiber-optic infrastructure to a shorter wavelength more compatible with high-quality single-photon detectors and optical memories. Recent work has investigated the use of QFC to manipulate and measure specific temporal modes (TMs) through tailoring the pump pulses. Such a scheme holds promise for multidimensional quantum state manipulation that is both low loss and re-programmable on a fast time scale. We demonstrate the first QFC temporal mode sorting system in a four-dimensional Hilbert space, achieving a conversion efficiency and mode separability as high as 92% and 0.84, respectively. A 20-GHz pulse train is projected onto 6 different TMs, including superposition states, and mode separability with weak coherent signals is verified via photon counting. Such ultrafast high-dimensional photonic signals could enable long-distance quantum communication at high rates.

AB - Quantum frequency conversion (QFC) of photonic signals preserves quantum information while simultaneously changing the signal wavelength. A common application of QFC is to translate the wavelength of a signal compatible with the current fiber-optic infrastructure to a shorter wavelength more compatible with high-quality single-photon detectors and optical memories. Recent work has investigated the use of QFC to manipulate and measure specific temporal modes (TMs) through tailoring the pump pulses. Such a scheme holds promise for multidimensional quantum state manipulation that is both low loss and re-programmable on a fast time scale. We demonstrate the first QFC temporal mode sorting system in a four-dimensional Hilbert space, achieving a conversion efficiency and mode separability as high as 92% and 0.84, respectively. A 20-GHz pulse train is projected onto 6 different TMs, including superposition states, and mode separability with weak coherent signals is verified via photon counting. Such ultrafast high-dimensional photonic signals could enable long-distance quantum communication at high rates.

KW - Nonlinear optics, parametric processes

KW - Pulse shaping

KW - Quantum communications

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Multidimensional mode-separable frequency conversion for high-speed quantum communication

Abstract

Keywords

ASJC Scopus subject areas

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