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Title: Frequency-encoded photonic qubits for scalable quantum information processing

Journal Article · · Optica
 [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Among the objectives for large-scale quantum computation is the quantum interconnect: a device that uses photons to interface qubits that otherwise could not interact. However, the current approaches require photons indistinguishable in frequency—a major challenge for systems experiencing different local environments or of different physical compositions altogether. Here, we develop an entirely new platform that actually exploits such frequency mismatch for processing quantum information. Labeled “spectral linear optical quantum computation” (spectral LOQC), our protocol offers favorable linear scaling of optical resources and enjoys an unprecedented degree of parallelism, as an arbitrary Ν-qubit quantum gate may be performed in parallel on multiple Ν-qubit sets in the same linear optical device. Here, not only does spectral LOQC offer new potential for optical interconnects, but it also brings the ubiquitous technology of high-speed fiber optics to bear on photonic quantum information, making wavelength-configurable and robust optical quantum systems within reach.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1337503
Journal Information:
Optica, Vol. 4, Issue 1; ISSN 2334-2536
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 143 works
Citation information provided by
Web of Science

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Cited By (31)

On-chip generation of high-dimensional entangled quantum states and their coherent control journal June 2017
Generation of multiphoton quantum states on silicon journal May 2019
Frequency multiplexing for quasi-deterministic heralded single-photon sources journal February 2018
A controlled-NOT gate for frequency-bin qubits journal March 2019
Biphoton shaping with cascaded entangled-photon sources journal September 2019
Quantum optical microcombs journal February 2019
High-dimensional one-way quantum processing implemented on d-level cluster states journal December 2018
Frequency comb single-photon interferometry journal September 2018
Reconfigurable generation and measurement of mutually unbiased bases for time-bin qudits journal March 2018
Photonic quantum information processing: A concise review journal December 2019
Spectrally entangled biphoton state of cascade emissions from a Doppler-broadened atomic ensemble journal June 2019
Roadmap on transformation optics journal May 2018
Universal linear optical operations on discrete phase-coherent spatial modes with a fixed and non-cascaded setup journal September 2019
Generating frequency-bin qubits via spontaneous four-wave mixing in a photonic molecule journal October 2019
Entanglement swapping for generation of heralded time-frequency-entangled photon pairs journal August 2018
Quantum Storage of Frequency-Multiplexed Heralded Single Photons journal August 2019
Reconfigurable frequency coding of triggered single photons in the telecom C–band journal January 2019
High-rate photon pairs and sequential Time-Bin entanglement with Si 3 N 4 microring resonators journal January 2019
Quantum frequency combs and Hong–Ou–Mandel interferometry: the role of spectral phase coherence journal January 2019
Arbitrary shaping of biphoton correlations using near-field frequency-to-time mapping journal January 2018
Polarization diversity phase modulator for measuring frequency-bin entanglement of a biphoton frequency comb in a depolarized channel journal January 2019
Quantum Storage of Frequency-Multiplexed Heralded Single Photons conference June 2019
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Reconfigurable generation and measurement of mutually unbiased bases for time-bin qudits text January 2018
Entanglement Swapping for Generation of Heralded Time-Frequency-Entangled Photon Pairs text January 2018
Spectrally entangled biphoton state of cascade emissions from a Doppler-broadened atomic ensemble text January 2018
A controlled-NOT gate for frequency-bin qubits text January 2018
Simulations of Subatomic Many-Body Physics on a Quantum Frequency Processor text January 2018
Reconfigurable frequency coding of triggered single photons in the telecom C--band text January 2019
Generating frequency-bin qubits via spontaneous four-wave mixing in a photonic molecule text January 2019
Quantum frequency combs and Hong-Ou-Mandel interferometry: the role of spectral phase coherence text January 2019


Figures / Tables (5)


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