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Related papers: Matter-wave interferometer for large molecules

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Diffraction experiments have moved to ever heavier objects in recent years, now standing at the level of large molecules. Experiments in materials science on the other hand have come down to ever smaller sizes largely due to the success of…

Quantum Physics · Physics 2007-05-23 R. Stadler , W. A. Hofer

The temporal degree-of-freedom of light is incredibly powerful for modern quantum technologies, enabling large-scale quantum computing architectures and record key-rates in quantum key distribution. However, the generalized measurement of…

We investigated the estimation of an unknown Gaussian process (containing displacement, squeezing and phase-shift) applied to a matter system. The state of the matter system is not directly measured; instead, we measure an optical mode…

Quantum Physics · Physics 2017-08-09 László Ruppert , Radim Filip

The light--matter-wave Sagnac interferometer based on ultra-slow light proposed recently in (Phys. Rev. Lett. 92, 253201 (2004)) is analyzed in detail. In particular the effect of confining potentials is examined and it is shown that the…

Quantum Physics · Physics 2009-11-13 F. E. Zimmer , M. Fleischhauer

We present a theory for the diffraction of large molecules or nanoparticles at a standing light wave. Such particles can act as a genuine photon absorbers due to their numerous internal degrees of freedom effecting fast internal energy…

Quantum Physics · Physics 2016-10-26 Kai Walter , Stefan Nimmrichter , Klaus Hornberger

We propose a mechanism to use nonlinearity arising from inter-particle interactions to significantly enhance rotation sensitivity of matter-wave interferometers. The method relies on modifying Sagnac interferometers by introducing a weak…

Quantum Gases · Physics 2013-04-24 M. Kolár , T. Opatrný , Kunal K. Das

The far-infrared (IR) region is rich with information needed to characterize interstellar dust and to investigate the cold outer planets of the solar system and their icy moons. The proposed sub-orbital observatory the Balloon Experiment…

Instrumentation and Methods for Astrophysics · Physics 2023-12-27 Joanna Perido , Kevin Denis , Jason Glenn , Nicholas F. Cothard , Manuel Quijada , Jessica Patel , Edward Wollack , Tilak Hewagama , Shahid Aslam , Peter K. Day

In their paper "Entanglement-enhanced matter-wave interferometry in a high-finesse cavity" Nature (2022), Greve et. al. claim to use entanglement in a matter-wave interferometer to achieve a sensitivity beyond that achievable with the same…

Quantum Physics · Physics 2023-05-04 Liam P. McGuinness

We demonstrate quantum interference for tetraphenylporphyrin, the first biomolecule exhibiting wave nature, and for the fluorofullerene C60F48 using a near-field Talbot-Lau interferometer. For the porphyrins, which are distinguished by…

Molecular beams of rare gas atoms and D_2 have been diffracted from 100 nm period SiN_x transmission gratings. The relative intensities of the diffraction peaks out to the 8th order depend on the diffracting particle and are interpreted in…

Quantum Physics · Physics 2016-09-08 R. E. Grisenti , W. Schoellkopf , J. P. Toennies , G. C. Hegerfeldt , T. Koehler

Maximizing the grating efficiency is a key goal for the first light instrument IRIS (Infrared Imaging Spectrograph) currently being designed to sample the diffraction limit of the TMT (Thirty Meter Telescope). Volume Phase Holographic (VPH)…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Shaojie Chen , Elliot Meyer , Shelley A. Wright , Anna M. Moore , James E. Larkin , Jerome Maire , Etsuko Mieda , Luc Simard

An atom interferometer using a Bose-Einstein condensate of $^{87}$Rb atoms is utilized for the measurement of magnetic field gradients. Composite optical pulses are used to construct a spatially symmetric Mach-Zehnder geometry. Using a…

We report the first realization of large momentum transfer (LMT) clock atom interferometry. Using single-photon interactions on the strontium ${}^1S_0 - {}^3P_1$ transition, we demonstrate Mach-Zehnder interferometers with state-of-the-art…

A magnetic field gradient applied to an atom interferometer induces a $M$-dependent phase shift which results in a series of decays and revivals of the fringe visibility. Using our lithium atom interferometer based on Bragg laser…

Quantum Physics · Physics 2016-08-16 Marion Jacquey , Alain Miffre , Matthias Büchner , Gérard Trénec , Jacques Vigué

Even 100 years after its introduction by Louis de Broglie, the wave-nature of matter is often regarded as a mind-boggling phenomenon. To give an intuitive introduction to this field, we here discuss the diffraction of massive molecules…

Quantum Physics · Physics 2021-11-23 Christian Brand , Stephan Troyer , Christian Knobloch , Ori Cheshnovsky , Markus Arndt

Nearly two centuries ago Talbot first observed the fascinating effect whereby light propagating through a periodic structure generates a `carpet' of image revivals in the near field. Here we report the first observation of the spatial…

Atomic Physics · Physics 2018-02-01 Y. Zhai , C. H. Carson , V. A. Henderson , P. F. Griffin , E. Riis , A. S. Arnold

We study the possibility of using matter wave interferometry techniques to build a gravitational wave detector. We derive the response function and find that it contains a term proportional to the derivative of the gravitational wave, a…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Stefano Foffa , Alice Gasparini , Michele Papucci , Riccardo Sturani

We describe a method for sensing short range forces using matter wave interference in dielectric nanospheres. When compared with atom interferometers, the larger mass of the nanosphere results in reduced wave packet expansion, enabling…

Quantum Physics · Physics 2015-09-16 Andrew A. Geraci , Hart Goldman

Electron interferometry with quantum Hall edge channels holds promise for probing and harnessing exotic exchange statistics of non-Abelian anyons. In semiconductor heterostructures, however, quantum Hall interferometry has proven…

Negative refraction provides an attractive platform to manipulate mid-infrared and terahertz radiation for molecular sensing and thermal radiation applications. However, its implementation based on available metamaterials and plasmonic…

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