Semiconductor-based geometrical quantum gates -: art. no. 121307

被引：112
|
作者：
Solinas, P
Zanardi, P
Zanghì, N
Rossi, F
机构：
[1] Ist Nazl Fis Nucl, I-16146 Genoa, Italy
[2] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy
[3] ISI, I-10133 Turin, Italy
[4] Ist Nazl Fis Mat, I-10129 Turin, Italy
[5] Politecn Torino, Dipartimento Fis, I-10129 Turin, Italy
来源：
PHYSICAL REVIEW B | 2003年 / 67卷 / 12期
关键词：
D O I：
10.1103/PhysRevB.67.121307
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We propose an implementation scheme for holonomic, i.e., geometrical, quantum information processing based on semiconductor nanostructures. Our quantum hardware consists of coupled semiconductor macroatoms addressed/controlled by ultrafast multicolor laser-pulse sequences. More specifically, logical qubits are encoded in excitonic states with different spin polarizations and manipulated by adiabatic time control of the laser amplitudes. The two-qubit gate is realized in a geometric fashion by exploiting dipole-dipole coupling between excitons in neighboring quantum dots.
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页数：4
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