24-photon Bragg diffraction of matter waves by light pulses increases the splitting between the arms of Ramsey-Borde or Mach-Zehnder atom interferometers, leading to up to 144-fold sensitivity. Simultaneous conjugate interferometers reject noise.
© 2008 The Optical Society
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3940) Instrumentation, measurement, and metrology : Metrology
(020.1335) Atomic and molecular physics : Atom optics
H. Müller, S. Chiow, S. Herrmann, and S. Chu, "Measuring the Fine Structure Constant Using Multiphoton Atom Interferometry," in Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing, OSA Technical Digest (CD) (Optical Society of America, 2008), paper LTuB2.
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