To meet the exponentially growing demand fbr bandwidth in Optical Transport Networks （OTNs）, 100-Gb/s （100G） coherent technology based oil Polarization-Division Multiplexed Quadrature Phase Shift Keying （PDM-QPSK...To meet the exponentially growing demand fbr bandwidth in Optical Transport Networks （OTNs）, 100-Gb/s （100G） coherent technology based oil Polarization-Division Multiplexed Quadrature Phase Shift Keying （PDM-QPSK）, which enables the capacity of a Wavelength Division Multiplexing （WDM） system to approach 10 Tb/s, is being widely deployed globally. As the first vendor to intro- duce a single-carrier 100G solution, A1- catel-Lucent has developed key transponder and network management technologies, which are reviewed in this paper together with their commercial evolution to 400G. Focusing on the Chinese market, we also review some key bench-mark testing results obtained in partner- ship with major Chinese operators. Finally, we discuss enabling technologies that are currently being researched to allow interfaces to scale to Terabit/s rates.展开更多
We propose a scheme to manipulate a topological spin qubit which is realized with cold atoms in a one-dimensional optical lattice.In particular, by introducing a quantum opto-electro-mechanical interface, we are able ...We propose a scheme to manipulate a topological spin qubit which is realized with cold atoms in a one-dimensional optical lattice.In particular, by introducing a quantum opto-electro-mechanical interface, we are able to first transfer a superconducting qubit state to an atomic qubit state and then to store it into the topological spin qubit. In this way, an efficient topological quantum memory could be constructed for the superconducting qubit. Therefore, we can consolidate the advantages of both the noise resistance of the topological qubits and the scalability of the superconducting qubits in this hybrid architecture.展开更多
文摘To meet the exponentially growing demand fbr bandwidth in Optical Transport Networks （OTNs）, 100-Gb/s （100G） coherent technology based oil Polarization-Division Multiplexed Quadrature Phase Shift Keying （PDM-QPSK）, which enables the capacity of a Wavelength Division Multiplexing （WDM） system to approach 10 Tb/s, is being widely deployed globally. As the first vendor to intro- duce a single-carrier 100G solution, A1- catel-Lucent has developed key transponder and network management technologies, which are reviewed in this paper together with their commercial evolution to 400G. Focusing on the Chinese market, we also review some key bench-mark testing results obtained in partner- ship with major Chinese operators. Finally, we discuss enabling technologies that are currently being researched to allow interfaces to scale to Terabit/s rates.
基金supported by the National Fundamental Research Programm of China(Grants Nos.2013CB921804 and 2012CB921604)the National Natural Science Foundation of China(Grant Nos.11474153,11274069,11474064,61435007 and 11474177)+1 种基金the Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China(Grant No.IRT1243)the Research Grants Council of Hong Kong(Grant Nos.HKU173051/14P and HKU173055/15P)
文摘We propose a scheme to manipulate a topological spin qubit which is realized with cold atoms in a one-dimensional optical lattice.In particular, by introducing a quantum opto-electro-mechanical interface, we are able to first transfer a superconducting qubit state to an atomic qubit state and then to store it into the topological spin qubit. In this way, an efficient topological quantum memory could be constructed for the superconducting qubit. Therefore, we can consolidate the advantages of both the noise resistance of the topological qubits and the scalability of the superconducting qubits in this hybrid architecture.
