Free-electron interactions with photonic GKP states: Universal control and quantum error correction

被引：11

作者：

Baranes, Gefen ^{[1
,2
,3
]}

Even-Haim, Shiran ^{[1
]}

Ruimy, Ron ^{[1
]}

Gorlach, Alexey ^{[1
]}

Dahan, Raphael ^{[1
]}

Diringer, Asaf A. ^{[4
]}

Hacohen-Gourgy, Shay ^{[4
]}

Kaminer, Ido ^{[1
]}

机构：

[1] Technion Israel Inst Technol, Solid State Inst, IL-32000 Haifa, Israel

[2] MIT Harvard Ctr Ultracold Atoms, Dept Phys, Cambridge, MA 02139 USA

[3] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[4] Technion Israel Inst Technol, Fac Phys, IL-32000 Haifa, Israel

来源：

PHYSICAL REVIEW RESEARCH | 2023年 / 5卷 / 04期

基金：

欧洲研究理事会;

关键词：

OPTICAL-EXCITATIONS; QUBIT; PHASE; TELEPORTATION; COMPUTATION; GENERATION;

D O I：

10.1103/PhysRevResearch.5.043271

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that the coherent interaction between free electrons and photons can be used for universal control of continuous-variable photonic quantum states in the form of Gottesman-Kitaev-Preskill (GKP) qubits. Specifically, we find that electron energy combs enable nondestructive measurements of the photonic state and can induce arbitrary gates. Moreover, a single electron interacting with multiple photonic modes can create highly entangled states such as Greenberger-Horne-Zeilinger states and cluster states of GKPs.

引用

页数：17

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