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10-21
2015
Quantum Journal Club: Experimental Satellite Quantum Communications
内容： Quantum communication (QC), namely, the faithful transmission of generic quantum states, is a key ingredient of quantum information science. Here we demonstrate QC with polarization encoding fr...
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11-17
2015
Quantum Simulation of Molecular Spectroscopy
内容： Recently, boson sampling [1] has emerged as a problem that is believed to be intractable for any classical computer, but also efficiently solvable by a linear photonic network. This has raised ...
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11-17
2015
Quantum Journal Club： Quantum Telecommunication Based on Atomic Cascade Transiti
内容： A quantum repeater at telecommunications wavelengths with long-lived atomic memory is proposed, and its critical elements are experimentally demonstrated using a cold atomic ensemble. Via atomi...
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08-13
2015
A Crash Course on Quantum Field Theory
内容： Outline: 1. Particle -> field -> particles: canonical quantization 2. Path integral formulation 3. What we measure: linear response 4. Perturbation 5. Collective motion as new particles 6...
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11-10
2015
Quantum Journal Club: Experimental Passive Round-Robin Differential Phase-Shift
内容： In quantum key distribution (QKD), the bit error rate is used to estimate the information leakage and hence determines the amount of privacy amplification—making the final key private by short...
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10-27
2015
Quantum Journal Club: Operating Spin Echo in the Quantum Regime for an Atomic-En
内容： Spin echo is a powerful technique to extend atomic or nuclear coherence times by overcoming the dephasing due to inhomogeneous broadenings. However, there are disputes about the feasibility of ...