Rotation sensing with trapped ions

被引：47

作者：

Campbell, W. C. ^{[1
,2
]}

Hamilton, P. ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[2] Calif Inst Quantum Emulat, Santa Barbara, CA 93106 USA

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2017年 / 50卷 / 06期

关键词：

atom interferometry; Sagnac; quantum metrology; gyroscope; trapped ion; INTERFEROMETRY; STATES;

D O I：

10.1088/1361-6455/aa5a8f

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a protocol for rotation measurement via matter-wave Sagnac interferometry using trapped ions. The ion trap based interferometer encloses a large area in a compact apparatus through repeated round-trips in a Sagnac geometry. We show how a uniform magnetic field can be used to close the interferometer over a large dynamic range in rotation speed and measurement bandwidth without contrast loss. Since this technique does not require the ions to be confined in the Lamb-Dicke regime, Doppler laser cooling should be sufficient to reach a sensitivity of S = 1.4 x 10(-6) rad s(-1) Hz(-1/2).

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