Universal holonomic single quantum gates over a geometric spin with phase-modulated polarized light

被引：50

作者：

Ishida, Naoki ^{[1
]}

Nakamura, Takaaki ^{[1
]}

Tanaka, Touta ^{[1
]}

Mishima, Shota ^{[1
]}

Kano, Hiroki ^{[1
]}

Kuroiwa, Ryota ^{[1
]}

Sekiguchi, Yuhei ^{[1
]}

Kosaka, Hideo ^{[1
]}

机构：

[1] Yokohama Natl Univ, 79-4 Tokiwadai, Yokohama, Kanagawa 2408501, Japan

来源：

OPTICS LETTERS | 2018年 / 43卷 / 10期

基金：

日本学术振兴会;

关键词：

SOLID-STATE SPIN; EXPERIMENTAL REALIZATION; ZERO-FIELD; QUBIT; TOMOGRAPHY; SYSTEMS; PHOTON;

D O I：

10.1364/OL.43.002380

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate universal non-adiabatic non-abelian holonomic single quantum gates over a geometric electron spin with phase-modulated polarized light and 93% average fidelity. This allows purely geometric rotation around an arbitrary axis by any angle defined by light polarization and phase using a degenerate three-level A-type system in a negatively charged nitrogen-vacancy center in diamond. Since the control light is completely resonant to the ancillary excited state, the demonstrated holonomic gate not only is fast with low power, but also is precise without the dynamical phase being subject to control error and environmental noise. It thus allows pulse shaping for further fidelity. (C) 2018 Optical Society of America.

引用

页码：2380 / 2383

页数：4

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