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SUMMARY:Exciton-Coupled Coherent Magnons
DTSTART:20230221T140000
DTEND:20230221T150000
DTSTAMP:20260510T045223Z
UID:044d71faea4dfd819e97538663572f9f7de3beb1afb27760f2d7678e
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Youn Jue Bae Columbia University\, New York\, United States
 \nThe information generated by qubits is at helium temperature and localiz
 ed. Magnons that are coupled to qubits and optical photons can shuttle inf
 ormation created by qubits at a long distance and up to room temperature. 
 Two-dimensional magnetic semiconductors are attractive candidates to serve
  as this magnon medium because they can hold both tightly-bound excitons w
 ith large oscillator strength and potentially long-lived coherent magnons 
 due to the presence of bandgap and spatial confinement. In this talk\, I
  will discuss the nature of magnon-exciton coupling in the two-dimension
 al van der Waals antiferromagnetic semiconductor CrSBr. Then\, I will talk
  about how the exciton-coupled magnons coherently propagate in time and sp
 ace. Lastly\, I will discuss the implication of strong coupling between 
 magnons (0.1 meV) to excitons (1.3 eV)\, and relatively long coherent prop
 agation length (7 µm) and time (10 ns) in magnonics\, quantum information
  science\, and optoelectronics.\n 
LOCATION:ELA 1 https://plan.epfl.ch/?room==ELA%201
STATUS:CONFIRMED
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