Introduction to ion trap hardware, scaling and its Future
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Several physical implementations of qubits exist to employ quantum computational advantages, some of them are superconducting qubits, ion-trap, quantum dots. Out of all of this trapped ion technology has a good amount of potential, although superconducting qubits are the most common one. Basically ion is trapped in an energy function saddle point to harness the qubit property from the ion. An introduction of this promising technology will be discussed and shared its advantages over superconducting properties. Some meticulous procedures are followed to make quantum gates and at the end of the talk, we will discuss its scaling techniques and future potentials.
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Introduction to ion trap hardware, scaling and its Future
- 1. Introduction to Ion-trap Hardware, Scaling and its Future Md. Sakibul Islam QCHack2021 Q-CTRL Winner Email: sakibulislamsazzad@gmail.com Twitter: @sakibul_sazzad
- 2. Table of Contents • Hyperfine structures/ splitting • Atoms consideration • Paul Trap • Doppler Cooling • Computation using Ion-trap • Scaling • Who’s in the market? IonQ trapped ion system
- 3. Hyperfine qubit structure H- has 1p and 1e Every p and e has spin up and down Why its important? s p E = ђϑ Typical Optical Structure • Large Bandwidth- difficult to control • Short time existence
- 4. Atoms in Periodic Table • Be • Mg • Ca • Sr • Ba • Zn • Cd • Hg Yb • Outer shell- 2 e Things to be noted • Narrow Bandwidth • Lighter Mass • We need precise control • Ions are restless
- 5. Ions in a trap Earnshaw’s theorem- Static electric field cant trap ions 3-Dimentional AC electric field is necessary AC electric field creates a saddle potential
- 6. Doppler Cooling Ions are restless and they are in vibration mode Temperature equivalent to average kinetic energy Opposite interaction makes ions slower Emits photon at different wavelength – Raman sideband cooling
- 7. Computation and Transverse mode (Ising Hamiltonian) Coulombs Repulsion effect How ground state can be created? Cirac-Zoller CNOT gate control target Cirac, J.I. and Zoller, P., 1995. Quantum computations with cold trapped ions. Physical review letters, 74(20), p.4091.
- 8. Where we are now? (IONQ)
- 9. Where we are now? HONEYWELL Some other companies • Alpine Quantum- University of Innsbruck https://www.aqt.eu/ • Infineon Technologies- University of Innsbruck Happy trapping in ions!!!