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quantum physics (32) 32
physics - quantum physics (28) 28
optics (21) 21
entanglement (14) 14
physics (12) 12
photons (11) 11
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qubits (6) 6
repeaters (6) 6
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electric communication technique (5) 5
electricity (5) 5
quantum cryptography (5) 5
quantum entanglement (5) 5
quantum theory (5) 5
transmission of digital information, e.g. telegraphiccommunication (5) 5
blasting (4) 4
cold rooms (4) 4
colorimetry (4) 4
combined heating and refrigeration systems (4) 4
computer science (4) 4
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detectors (4) 4
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lighting (4) 4
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manufacture or storage of ice (4) 4
measurement of intensity, velocity, spectral content,polarisation, phase or pulse characteristics of infra-red,visible or ultra-violet light (4) 4
mechanical engineering (4) 4
memory (4) 4
multidisciplinary sciences (4) 4
networks (4) 4
physics, atomic, molecular & chemical (4) 4
polarization (4) 4
quantum (4) 4
quantum communication (4) 4
quantum phenomena (4) 4
radiation pyrometry (4) 4
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security (4) 4
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superconductivity (4) 4
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weapons (4) 4
classical and quantum mechanics, general physics (3) 3
communication (3) 3
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efficiency (3) 3
generation (3) 3
optical fibers (3) 3
photonics (3) 3
physics - instrumentation and detectors (3) 3
quantum mechanics (3) 3
state (3) 3
states (3) 3
arrangements for measuring two or more variables not coveredin a single other subclass (2) 2
article (2) 2
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bit commitment (2) 2
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pumpen eines lasers (2) 2
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Nature, ISSN 0028-0836, 01/2011, Volume 469, Issue 7331, pp. 508 - 512
Entanglement is the fundamental characteristic of quantum physics-much experimental effort is devoted to harnessing it between various physical systems. In... 
MATTER | TRAPPED ATOM | ATOMIC ENSEMBLES | MULTIDISCIPLINARY SCIENCES | LIGHT | SINGLE-PHOTON | COMMUNICATION | Crystals | Atomic properties | Photons | Models | Research | Properties | Quantum theory | Noise | Energy conservation | Efficiency | Light | Atoms & subatomic particles | Experiments | Multiplexing | Networks | Wavelengths | Repeaters | Qubits (quantum computing) | Entanglement | Physics - Quantum Physics
Journal Article
Nature, ISSN 0028-0836, 01/2011, Volume 469, Issue 7331, pp. 512 - 515
The reversible transfer of quantum states of light into and out of matter constitutes an important building block for future applications of quantum... 
MULTIDISCIPLINARY SCIENCES | Waveguides | Properties | Photons | Atoms & subatomic particles | Integrated approach | Broadband | Light | Quantum theory | Networks | Synchronism | Lithium niobates | Entanglement | Devices | Physics - Quantum Physics
Journal Article
Physical Review Letters, ISSN 0031-9007, 11/2018, Volume 121, Issue 19, p. 190502
We present a quantum key distribution system with a 2.5 GHz repetition rate using a three-state time-bin protocol combined with a one-decoy approach. Taking... 
PHYSICS, MULTIDISCIPLINARY | Optical fibers | Quantum cryptography | Physics - Quantum Physics
Journal Article
Journal of Modern Optics, ISSN 0950-0340, 10/2013, Volume 60, Issue 18, pp. 1519 - 1537
An optical quantum memory can be broadly defined as a system capable of storing a quantum state through interaction with light at optical frequencies. During... 
quantum information processing | light-atom interactions | atomic physics | quantum memories | Atomic physics | Quantum information processing | Light-atom interactions | Quantum memories | STORAGE | PHOTON | DOT SPIN | ELECTROMAGNETICALLY INDUCED TRANSPARENCY | STATE | CRYPTOGRAPHY | INTERFACE | ATOMIC ENSEMBLES | OPTICS | EFFICIENT | HERALDED ENTANGLEMENT | Physics - Quantum Physics
Journal Article
Nature Communications, ISSN 2041-1723, 12/2017, Volume 8, Issue 1, pp. 907 - 6
Quantum theory predicts that entanglement can also persist in macroscopic physical systems, albeit difficulties to demonstrate it experimentally remain.... 
STATES | LIMIT | QUANTUM | MULTIDISCIPLINARY SCIENCES | ENSEMBLES | Solid state | Entanglement | Absorption | Quantum theory | Quantum phenomena | System effectiveness
Journal Article
Nature Photonics, ISSN 1749-4885, 04/2012, Volume 6, Issue 4, pp. 234 - 237
Quantum networks must have the crucial ability to entangle quantum nodes(1). A prominent example is the quantum repeater(2-4), which allows the distance... 
DISTANCE | PHYSICS, APPLIED | REPEATERS | MEMORY | ATOMIC ENSEMBLES | LIGHT | PHOTONIC QUBITS | OPTICS | LINEAR OPTICS | COMMUNICATION | Rare earth metals | Networks | Crystals | Repeaters | Entangled states | Entanglement | Mapping | Photons
Journal Article
Nature Photonics, ISSN 1749-4885, 01/2014, Volume 8, Issue 10, pp. 775 - 778
Quantum teleportation(1) is a cornerstone of quantum information science due to its essential role in important tasks such as the long-distance transmission of... 
PHYSICS, APPLIED | REPEATERS | OPTICS | Optical fibers | Networks | Polarization | Flying | Quantum teleportation | Flight | Qubits (quantum computing) | Photons | Entanglement | Physics - Quantum Physics
Journal Article
Applied Physics Letters, ISSN 0003-6951, 02/2018, Volume 112, Issue 6, p. 61103
Recent progress in the development of superconducting nanowire single-photon detectors (SNSPDs) made of amorphous materials has delivered excellent... 
SYSTEM | PHYSICS, APPLIED
Journal Article
Nature Communications, ISSN 2041-1723, 2011, Volume 2, Issue 1, p. 561
Coin flipping is a cryptographic primitive in which two distrustful parties wish to generate a random bit to choose between two alternatives. This task is... 
MULTIDISCIPLINARY SCIENCES | BIT COMMITMENT | CRYPTOGRAPHY
Journal Article
Physical Review Letters, ISSN 0031-9007, 09/2016, Volume 117, Issue 14, p. 140506
Bit commitment is a fundamental cryptographic primitive in which a party wishes to commit a secret bit to another party. Perfect security between mistrustful... 
PHYSICS, MULTIDISCIPLINARY | Exchange | Messages | Voting | High speed | Data processing | Computer information security | Cryptography | Flexibility | Physics - Quantum Physics
Journal Article
Physical Review Letters, ISSN 0031-9007, 05/2012, Volume 108, Issue 19, p. 190503
Storage of quantum information encoded into heralded single photons is an essential constituent of long-distance quantum communication based on quantum... 
MEMORY | PHYSICS, MULTIDISCIPLINARY | ATOMIC ENSEMBLES | LIGHT
Journal Article
Applied Physics Letters, ISSN 0003-6951, 12/2014, Volume 105, Issue 22, p. 221112
Recently, a quantum key distribution (QKD) scheme based on entanglement swapping, called measurement-device-independent QKD (mdiQKD), was proposed to bypass... 
NETWORK | PHYSICS, APPLIED | SECURITY | STATE | TELEPORTATION | OPTICS | CRYPTOGRAPHY | Physics - Quantum Physics | INTERFERENCE | QUANTUM ENTANGLEMENT | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | EFFICIENCY | PHOTONS | QUBITS
Journal Article
Journal of Applied Physics, ISSN 0021-8979, 10/2019, Volume 126, Issue 16
Recent progress in the development of superconducting nanowire single-photon detectors (SNSPDs) has delivered excellent performance and has had a great impact... 
Timing jitter | Vibration | Intermetallic compounds | Superconductivity | Photons | Molybdenum | Thickness | Inductance | Detectors | Dependence | Temporal resolution | Nanowires | Molybdenum disilicides
Journal Article
Optics Express, ISSN 1094-4087, 01/2016, Volume 24, Issue 1, pp. 125 - 133
We demonstrate postselection free heralded qubit amplification for Time-Bin qubits and single photon states in an all-fibre, telecom-wavelength, scheme that... 
NOISELESS LINEAR AMPLIFICATION | STATE | OPTICS | QUANTUM COMMUNICATION | ENTANGLEMENT | CRYPTOGRAPHY | Physics - Quantum Physics
Journal Article
Physical Review Letters, ISSN 0031-9007, 12/2016, Volume 117, Issue 24, p. 240506
Multiplexed quantum memories capable of storing and processing entangled photons are essential for the development of quantum networks. In this context, we... 
QUANTUM REPEATERS | INTERFACE | PHYSICS, MULTIDISCIPLINARY | ATOMIC ENSEMBLES | LIGHT | Multiplexing | Platforms | Crystals | Photons | Entanglement | Compatibility | Certification | Quantum phenomena | Physics - Quantum Physics
Journal Article
Physical Review Letters, ISSN 0031-9007, 11/2013, Volume 111, Issue 18, p. 180504
Bit commitment is a fundamental cryptographic primitive in which Bob wishes to commit a secret bit to Alice. Perfectly secure bit commitment between two... 
PHYSICS, MULTIDISCIPLINARY | HASH FUNCTIONS | Physics - Quantum Physics
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 12/2012, Volume 86, Issue 6
Entanglement between macroscopically populated states can easily be created by combining a single photon and a bright coherent state on a beamsplitter.... 
DECOHERENCE | QUANTUM CLONING | OPTICS | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
Journal Article
Journal of Applied Physics, ISSN 0021-8979, 10/2019, Volume 126, Issue 16, p. 164501
Recent progress in the development of superconducting nanowire single-photon detectors (SNSPDs) has delivered excellent performance and has had a great impact... 
PHYSICS, APPLIED
Journal Article
Applied Physics Letters, ISSN 0003-6951, 12/2014, Volume 105, Issue 22
Recently, a quantum key distribution (QKD) scheme based on entanglement swapping, called measurement-device-independent QKD (mdiQKD), was proposed to bypass... 
Photons | Entanglement | Qubits (quantum computing) | Quantum cryptography
Journal Article
Optics Express, ISSN 1094-4087, 12/2015, Volume 23, Issue 26, pp. 33792 - 33801
We report on MoSi SNSPDs which achieved high system detection efficiency (87.1 +/- 0.5% at 1542 nm) at 0.7 K and we demonstrate that these detectors can also... 
TIME | OPTICS | Physics - Instrumentation and Detectors
Journal Article