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VERSION:2.0
PRODID:Icfo
X-PUBLISHED-TTL:P1W
BEGIN:VEVENT
UID:6af7c27de2405
DTSTART:20261117T110000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20261117T120000Z
LOCATION:Blue Lecture Room 
SUMMARY:ICFO | DIANA SERRANO
CLASS:PUBLIC
DESCRIPTION:Rare-earth ions in solids combine long-lived optical and spin c
 oherence\, making them leading candidates for quantum memories and spin-ph
 oton interfaces. Most of these advances\, however\, have relied on a limit
 ed number of inorganic crystals whose properties offer relatively little f
 lexibility for chemical tuning. Molecular chemistry provides an alternativ
 e route\, allowing the local environment of rare-earth ions and their opti
 cal and hyperfine properties to be tailored through chemical synthesis.\nI
 n this talk\, I will present Eu(III) molecular crystals exhibiting optical
  homogeneous linewidths in the kilohertz range\, orders of magnitude narro
 wer than those typically observed in molecular emitters. I will then discu
 ss the mechanisms limiting optical coherence in these materials and how th
 ey can be investigated and controlled through chemical modifications. Fina
 lly\, I will show how the suitable hyperfine structure of a molecular Eu(I
 II) crystal enables broadband optical storage at the single-photon level\,
  with a 200 MHz prepared spectral bandwidth and a storage efficiency of 14
 .9%\, as well as the storage of four temporal modes.
DTSTAMP:20261114T020757Z
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