Coherent State Qudits for Quantum Information Processing: Difference between revisions
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* Speaker: Kim, Jaewan (KIST) | * Speaker: Kim, Jaewan (KIST) | ||
A coherent state could be interpreted as an evenly weighted superposition of pseudo-number states which are the partial sums of a coherent state represented in number states with spacings of an integer 'd'. Pseudo-number states forms a basis of qudit system of dimension d, and their conjugates, pseudo-phase states are coherent states with equal phase spacing on a circle in the quadrature space. Small Cross-Kerr nonlinear interaction can entangle two coherent states into a maximal entanglement of pseudo-number states and pseudo-phase states. This can be extended into a graph state or cluster state of qudits. | |||
[[Category:Qubits2019]] | [[Category:Qubits2019]] | ||
Latest revision as of 00:55, 18 April 2019
- Speaker: Kim, Jaewan (KIST)
A coherent state could be interpreted as an evenly weighted superposition of pseudo-number states which are the partial sums of a coherent state represented in number states with spacings of an integer 'd'. Pseudo-number states forms a basis of qudit system of dimension d, and their conjugates, pseudo-phase states are coherent states with equal phase spacing on a circle in the quadrature space. Small Cross-Kerr nonlinear interaction can entangle two coherent states into a maximal entanglement of pseudo-number states and pseudo-phase states. This can be extended into a graph state or cluster state of qudits.