Second-order shaped pulsed for solid-state quantum computation
Description/Abstract
We present the construction and detailed analysis of highly optimized self-refocusing pulse shapes for several rotation angles. We characterize the constructed pulses by the coefficients appearing in the Magnus expansion up to second order. This allows a semianalytical analysis of the performance of the constructed shapes in sequences and composite pulses by computing the corresponding leading-order error operators. Higher orders can be analyzed with the numerical technique suggested by us previously. We illustrate the technique by analyzing several composite pulses designed to protect against pulse amplitude errors, and on decoupling sequences for potentially long chains of qubits with on-site and nearest-neighbor couplings.
| Creator/Author: | Sengupta, Pinaki [Los Alamos National Laboratory] |
|---|---|
| Publication Date: | 2008 Jan 01 |
| OSTI Identifier: | OSTI ID: 957746 |
| Report Number(s): | LA-UR-08-04428; LA-UR-08-4428 |
| DOE Contract Number: | AC52-06NA25396 |
| Other Number(s): | Journal ID: ISSN 1050-2947; PLRAAN; TRN: US201016%%152 |
| Resource Type: | Journal Article |
| Resource Relation: | Journal Name: Physical Review A |
| Research Org: | Los Alamos National Laboratory (LANL) |
| Sponsoring Org: | DOE |
| Subject: | 71; AMPLITUDES; DECOUPLING; NUMERICAL ANALYSIS; PERFORMANCE; QUBITS; ROTATION; QUANTUM COMPUTERS |
| Country of Publication: | United States |
| Language: | English |
| Update Date: | 2010 Sep 22 |
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