Alfonso Lanuza

ORCID: 0000-0001-7049-0250
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About
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Research Areas
  • Cold Atom Physics and Bose-Einstein Condensates
  • Strong Light-Matter Interactions
  • Quantum Information and Cryptography
  • Quantum optics and atomic interactions
  • Mechanical and Optical Resonators
  • Quantum and electron transport phenomena
  • Semiconductor Quantum Structures and Devices
  • Acoustic Wave Resonator Technologies
  • Electronic and Structural Properties of Oxides
  • Spectroscopy and Quantum Chemical Studies
  • Molecular Junctions and Nanostructures

Stony Brook University
2020-2024

The authors study the dynamics of matter-wave quantum emitters coupled to band structure a periodic potential, in which bound states involving evanescent matter waves drive transition from exponential decay fully reversible oscillations.

10.1103/physrevresearch.2.043307 article EN cc-by Physical Review Research 2020-12-02

Recent experiments on spontaneous emission of atomic matter waves [Krinner et al., Nature (London) 559, 589 (2018); Stewart Phys. Rev. Research 2, 043307 (2020)] open a window into the behavior quantum emitters coupled to waveguide. Here we develop an approach based infinite products study this system theoretically, without need approximate band dispersion relation We solve for one-dimensional array one, multiple, and number compare with experiments. This leads detailed characterization...

10.1103/physreva.105.023703 article EN Physical review. A/Physical review, A 2022-02-03

Waveguide quantum electrodynamics constitutes a modern paradigm for the interaction of light and matter, in which strong coupling, bath structure, propagation delays can break radiative conditions that emitters typically encounter free space. These characteristics intertwine excitations guided radiation modes to form complex multiphoton dynamics. So far, combining collective decay with non-Markovian effects induced by has escaped full solution detailed physics behind these systems remains...

10.1103/physrevresearch.6.033196 preprint EN arXiv (Cornell University) 2024-03-20

Waveguide quantum electrodynamics constitutes a modern paradigm for the interaction of light and matter, in which strong coupling, bath structure, propagation delays can break radiative conditions that emitters typically encounter free space. These characteristics intertwine excitations guided radiation modes to form complex multiphoton dynamics. So far, combining collective decay with non-Markovian effects induced by has escaped full solution detailed physics behind these systems remains...

10.1103/physrevresearch.6.033196 article EN cc-by Physical Review Research 2024-08-21

The cooperative modification of spontaneous radiative decay is a paradigmatic many-emitter effect in quantum optics. So far its experimental realization has involved interactions mediated by rapidly escaping photons that do not play an active role the emitter dynamics. Here we explore dynamics emitters optical lattice interact radiating atomic matter waves. Using ability to prepare weakly and strongly interacting many-body phases excitations array matter-wave emitters, demonstrate...

10.48550/arxiv.2311.09474 preprint EN other-oa arXiv (Cornell University) 2023-01-01

We present recent studies of waveguide quantum electrodynamics using ultra-cold atomic matter waves in an optical lattice.

10.1364/fio.2020.jm6b.23 article EN Frontiers in Optics + Laser Science 2021 2020-01-01

Bound states in quantum emitter arrays can induce coherent transport though polariton formation. Here, we investigate effects of bound-state induced hopping on motional coherence an array matter-wave emitters realized with ultracold atoms optical lattice.

10.1364/ls.2020.lth5g.4 article EN Frontiers in Optics + Laser Science 2021 2020-01-01

The 53rd Annual Meeting of the APS Division Atomic, Molecular and Optical Physics will take place from May 30 – June 3, 2022 in Orlando, Fl, USA. <a href="https://morressier.zoom.us/j/89880865272?pwd=SWxTRGhra1ZOSDBrSkhVZDBzVDR6UT09/">Virtual Help Desk</a>

10.26226/m.6275706066d5dcf63a3117f2 preprint EN 2022-05-25

The 53rd Annual Meeting of the APS Division Atomic, Molecular and Optical Physics will take place from May 30 – June 3, 2022 in Orlando, Fl, USA. <a href="https://morressier.zoom.us/j/89880865272?pwd=SWxTRGhra1ZOSDBrSkhVZDBzVDR6UT09/">Virtual Presenter Help Desk</a>

10.26226/m.6275705b66d5dcf63a311555 preprint EN 2022-05-24

The 53rd Annual Meeting of the APS Division Atomic, Molecular and Optical Physics will take place from May 30 – June 3, 2022 in Orlando, Fl, USA. <a href="https://morressier.zoom.us/j/89880865272?pwd=SWxTRGhra1ZOSDBrSkhVZDBzVDR6UT09/">Virtual Presenter Help Desk</a>

10.26226/m.6275705f66d5dcf63a31179b preprint EN 2022-05-24
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