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05-08
2015
Quantum Journal Club: Coherent control of a classical nanomechanical two-level s
内容： The Bloch sphere is a generic picture describing the coherent dynamics of coupled classical or quantum-mechanical twolevel systems under the control of electromagnetic fields1,2. It is commonly...
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06-19
2015
Quantum Journal Club: Probing Johnson noise and ballistic transport in normal me
内容： Thermally induced electrical currents, known as Johnson noise, cause fluctuating electric and magnetic fields in proximity to a conductor. These fluctuations are intrinsically related to the co...
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05-29
2015
Quantum Journal Club: Long Lifetime and High-Fidelity Quantum Memory of Photoni
内容： Long-lived and high-fidelity memory for a photonic polarization qubit (PPQ) is crucial for constructing quantum networks. We present a millisecond storage system based on electromagnetically in...
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12-26
2014
QUIC seminar: Multipartite Quantum Correlations in Open Quantum Systems
内容： In this work, we present a measure of quantum correlation for a multipartite system, defined as the sum of the correlations for all possible partitions. Our measure can be defined for quantum d...
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01-05
2015
Quantum Control of Superconducting Circuits
内容： We develop an efficient scheme that allows for arbitrary operations on a cavity mode using a strongly dispersive qubit-cavity interaction and time-dependent drives. The scheme can readily be im...
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03-25
2015
Quantum communication with realistic devices
内容： Quantum key distribution is proven to offer unconditional security in communication between two remote users with ideal devices. Unfortunately, ideal devices never exist in practice and device ...