Control of exciton dynamics in nanodots for quantum operations
Physical review letters, 2001•APS
We present a theory to further a new perspective of proactive control of exciton dynamics in
the quantum limit. Circularly polarized optical pulses in a semiconductor nanodot are used
to control the dynamics of two interacting excitons of opposite polarizations. Shaping of
femtosecond laser pulses keeps the quantum operation within the decoherence time.
Computation of the fidelity of the operations and application to the complete solution of a
minimal quantum computing algorithm demonstrate in theory the feasibility of quantum …
the quantum limit. Circularly polarized optical pulses in a semiconductor nanodot are used
to control the dynamics of two interacting excitons of opposite polarizations. Shaping of
femtosecond laser pulses keeps the quantum operation within the decoherence time.
Computation of the fidelity of the operations and application to the complete solution of a
minimal quantum computing algorithm demonstrate in theory the feasibility of quantum …
Abstract
We present a theory to further a new perspective of proactive control of exciton dynamics in the quantum limit. Circularly polarized optical pulses in a semiconductor nanodot are used to control the dynamics of two interacting excitons of opposite polarizations. Shaping of femtosecond laser pulses keeps the quantum operation within the decoherence time. Computation of the fidelity of the operations and application to the complete solution of a minimal quantum computing algorithm demonstrate in theory the feasibility of quantum control.
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