Implementation of a Frenkel exciton-based controlled phase shifter
Journal Article
·
· Physical Review A
- Boise State Univ., ID (United States); Boise State University
- Boise State Univ., ID (United States)
Frenkel excitons are of interest for ultrafast switching applications due to the femtosecond timescale at which coherent exciton transfer between chromophores takes place. The Frenkel Hamiltonian, which governs the dynamics of Frenkel excitons, belongs to a class of Hamiltonians that enable universal quantum computation. It is thus of interest to determine how a complete set of exciton-based gates for quantum computing could be constructed as aggregates of chromophores. Here, we demonstrate that a controlled phase shifter can be constructed as a pair of exciton transmission lines that employ two types of chromophores and that are cross coupled by a two-exciton interaction. This element facilitates the construction of controlled basis-change gates, thereby enabling the implementation of a complete set of exciton-based gates for universal quantum computation.
- Research Organization:
- Boise State Univ., ID (United States)
- Sponsoring Organization:
- US Department of the Navy, Office of Naval Science; USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
- Grant/Contract Number:
- SC0020089
- OSTI ID:
- 1908380
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 1 Vol. 107; ISSN 2469-9926
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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