Secure quantum key distribution with realistic devices
In principle, quantum key distribution (QKD) offers information-theoretic security based on
the laws of physics. In practice, however, the imperfections of realistic devices might …
the laws of physics. In practice, however, the imperfections of realistic devices might …
State-of-the-art survey of quantum cryptography
A Kumar, S Garhwal - Archives of Computational Methods in Engineering, 2021 - Springer
In today Internet era, confidential information transmitted over an insecure channel. With the
significant development in the area of quantum computing, there is a need for unconditional …
significant development in the area of quantum computing, there is a need for unconditional …
Practical decoy-state quantum secure direct communication
X Liu, Z Li, D Luo, C Huang, D Ma, M Geng… - Science China Physics …, 2021 - Springer
Quantum secure direct communication (QSDC) has been demonstrated in both fiber-based
and free-space channels using attenuated lasers. Decoy-state QSDC by exploiting four …
and free-space channels using attenuated lasers. Decoy-state QSDC by exploiting four …
Advances in chip-based quantum key distribution
Quantum key distribution (QKD), guaranteed by the principles of quantum mechanics, is one
of the most promising solutions for the future of secure communication. Integrated quantum …
of the most promising solutions for the future of secure communication. Integrated quantum …
Large-area microwire MoSi single-photon detectors at 1550 nm wavelength
We demonstrate saturated internal detection efficiency at 1550 nm wavelengths for meander-
shaped superconducting nanowire single-photon detectors made of 3 nm thick MoSi films …
shaped superconducting nanowire single-photon detectors made of 3 nm thick MoSi films …
Superconducting single-photon spectrometer with 3d-printed photonic-crystal filters
Single-photon spectrometers utilizing optical spectral components and single-photon
detectors have shown exceptional spectral resolving capability with single-photon …
detectors have shown exceptional spectral resolving capability with single-photon …
Development of superconducting single-photon and photon-number resolving detectors for quantum applications
Single-photon detectors based on superconducting thin films have become a viable class of
technologies for widespread usage in quantum optics. In this tutorial paper we introduce the …
technologies for widespread usage in quantum optics. In this tutorial paper we introduce the …
Induced-photorefraction attack against quantum key distribution
Lithium niobate (Li Nb O 3, LN) devices play critical roles in quantum information
processing. However, for special applications like quantum key distribution (QKD), the …
processing. However, for special applications like quantum key distribution (QKD), the …
Fractal superconducting nanowires detect infrared single photons with 84% system detection efficiency, 1.02 polarization sensitivity, and 20.8 ps timing resolution
The near-unity system detection efficiency (SDE) and excellent timing resolution of
superconducting nanowire single-photon detectors (SNSPDs), combined with their other …
superconducting nanowire single-photon detectors (SNSPDs), combined with their other …
Fractal superconducting nanowire single-photon detectors working in dual bands and their applications in free-space and underwater hybrid LIDAR
We demonstrate a fiber-coupled fractal superconducting nanowire single-photon detector
(SNSPD) system with minimum polarization dependence of detection efficiency. Its system …
(SNSPD) system with minimum polarization dependence of detection efficiency. Its system …