Quantum teleportation and entanglement distribution over 100-kilometre free-space channels
arXiv:1205.2024 · doi:10.1038/nature11332
Abstract
A long standing goal for quantum communication is to transfer a quantum state over arbitrary distances. Free-space quantum communication provides a promising solution towards this challenging goal. Here, through a 97-km free space channel, we demonstrate long distance quantum teleportation over a 35-53 dB loss one-link channel, and entanglement distribution over a 66-85 dB high-loss two-link channel. We achieve an average fidelity of {80.4(9)}% for teleporting six distinct initial states and observe the violation of the Clauser-Horne-Shimony-Holt inequality after distributing entanglement. Besides being of fundamental interest, our result represents a significant step towards a global quantum network. Moreover, the high-frequency and high-accuracy acquiring, pointing and tracking technique developed in our experiment provides an essential tool for future satellite-based quantum communication.
9 pages, 8 figures
References in corpus (4)
Cited by in corpus (71)
- Satellite-to-ground quantum key distribution
- Ground-to-satellite quantum teleportation
- Quantum teleportation using active feed-forward between two Canary Islands
- Quantum information transfer using photons
- Micius quantum experiments in space
- Advances in Space Quantum Communications
- Efficient Teleportation between Remote Single-Atom Quantum Memories
- Heralded entanglement distribution between two absorptive quantum memories
- Long-Distance Measurement-Device-Independent Multiparty Quantum Communication
- Teleportation Systems Towards a Quantum Internet
- Generation of entangled photons in graphene in a strong magnetic field
- Quantum entanglement swapping between two multipartite entangled states
- Nanomaterials for Quantum Information Science and Engineering
- Highly efficient entanglement swapping and teleportation at telecom wavelength
- Free-space quantum links under diverse weather conditions
- Robust Quantum Memory in a Trapped-Ion Quantum Network Node
- Hertz-rate metropolitan quantum teleportation
- Observation of Ten-photon Entanglement Using Thin BiBO Crystals
- The Deep Space Quantum Link: Prospective Fundamental Physics Experiments using Long-Baseline Quantum Optics
- A model for optimizing quantum key distribution with continuous-wave pumped entangled-photon sources
- Quantum communication with photons
- Satellite-based entanglement distribution and quantum teleportation with continuous variables
- Four-dimensional entanglement distribution over 100 km
- Accessible and inaccessible quantum coherence in relativistic quantum systems
- Spaceborne low-noise single-photon detection for satellite-based quantum communications
- Localization effects in disordered quantum batteries
- Experimental space-division multiplexed polarization-entanglement distribution through 12 paths of a multicore fiber
- Simulating single photons with realistic photon sources
- Large Distance Continuous Variables Communication with Concatenated Swaps
- Bidirectional quantum teleportation of even and odd coherent states through the multipartite Glauber coherent state: Theory and implementation
- Influence of coincidence detection through free-space atmospheric turbulence using partial spatial coherence
- Identification of networking quantum teleportation on 14-qubit IBM universal quantum computer
- Quantum Error Correction via Noise Guessing Decoding
- Polarization design for ground-to-satellite quantum entanglement distribution
- Quantum Correlation Sharing: A Review On Recent Progress From Nonlocality To Other Non-Classical Correlations
- Teleportation of quantum coherence
- Single-mode fiber coupling with a M-SPGD algorithm for long-range quantum communications
- Higher-order nonclassical effects in fluctuating-loss channels
- Quantum violation of local causality in urban network with hybrid photonic technologies
- Monogamy and backflow of mutual information in non-Markovian thermal baths
- Numerical simulations of atmospheric quantum channels
- Analysis for satellite-based high-dimensional extended B92 and high-dimensional BB84 quantum key distribution
- Crossed crystal scheme for fs-pulsed entangled photon generation in ppKTP
- Teleportation of a genuine single-rail vacuum-one-photon qubit generated via a quantum dot source
- Distributing Polarization Entangled Photon Pairs with High Rate over Long Distance through Standard Telecommunication Fiber
- Entanglement distribution over 155 km metropolitan fiber using a CMOS-compatible silicon chip
- Entanglement distribution over metropolitan fiber using an on-chip broadband polarization entangled photon source
- Gain in Performance of Teleportation with Uniformity-breaking Distributions
- Teleportation with Embezzling Catalysts
- Quantum repeater based on cavity-QED evolutions and coherent light
- Robust Gaussian Teleportation with Attenuations and Non-unity Gain
- Noise-immunity Kazan quantum line at 143 km regular fiber link
- Time correlations in atmospheric quantum channels
- Polarization-entangled photon pair sources based on spontaneous four wave mixing assisted by polarization mode dispersion
- To share and not share a singlet: control qubit and nonclassicality in teleportation
- Macroscopic quantum teleportation with ensembles of qubits
- Adaptive Techniques in Practical Quantum Key Distribution
- GAN decoder on a quantum toric code for noise-robust quantum teleportation
- Compact non-degenerate entangled-photon source and near-infrared-to-telecom quantum teleportation
- Quantum Physics in Space
- Airborne Quantum Key Distribution with Boundary Layer Effects
- Enhanced Uplink Quantum Communication with Satellites via Downlink Channels
- Quantum teleportation of multiple properties of a single quantum particle
- The Computational Power of Non-interacting Particles
- Incompatibility of optimized protection of entanglement and teleportation fdelity in the presence of decoherence
- Quantum Teleportation in Non-equilibrium Environments and Fixed-point Fidelity
- Circular-beam approximation for quantum channels in a turbulent atmosphere
- Viability of quantum communication across interstellar distances
- Photonic quantum information with time-bins: Principles and applications
- Nontraditional Deterministic Remote State Preparation Using a Non-Maximally Entangled Channel without Additional Quantum Resources
- Secure and Efficient n-Qubit Entangled State Teleportation Using Partially Entangled GHZ Channels and Optimal POVM