Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/81231
Title: High-Resolution Atom Interferometers with Suppressed Diffraction Phases
Authors: Estey, Brian
Yu, Chenghui
Müller, Holger
Kuan, Pei-Chen
Lan, Shau-Yu
Keywords: Physics and Applied Physics
Issue Date: 2015
Source: Estey, B., Yu, C., Müller, H., Kuan, P.-C., & Lan, S.-Y. (2015). High-Resolution Atom Interferometers with Suppressed Diffraction Phases. Physical Review Letters, 115, 083002-.
Series/Report no.: Physical Review Letters
Abstract: We experimentally and theoretically study the diffraction phase of large-momentum transfer beam splitters in atom interferometers based on Bragg diffraction. We null the diffraction phase and increase the sensitivity of the interferometer by combining Bragg diffraction with Bloch oscillations. We demonstrate agreement between experiment and theory, and a 1500-fold reduction of the diffraction phase, limited by measurement noise. In addition to reduced systematic effects, our interferometer has high contrast with up to 4.4×106 radians of phase difference, and a resolution in the fine structure constant of δα/α=0.25  ppb in 25 h of integration time.
URI: https://hdl.handle.net/10356/81231
http://hdl.handle.net/10220/39138
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.115.083002
Schools: School of Physical and Mathematical Sciences 
Rights: © 2015 American Physical Society. This paper was published in Physical Review Letters and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at: [http://dx.doi.org/10.1103/PhysRevLett.115.083002]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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