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UID:6a596fa328366
DTSTART:20260724T130000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20260724T140000Z
LOCATION:Seminar Room
SUMMARY:ICFO | SIMON HOLLERITH
CLASS:PUBLIC
DESCRIPTION:Arrays of neutral atoms have emerged as a powerful platform for
  quantum computing. One limitation to achieving deep circuit depths atom l
 oss occuring during gate operations and collisions with the background mol
 ecules in an vacuum. In this talk\, I will present a new experimental arch
 itecture where this atom loss can be compensated by continuously reloading
  fresh atoms into the atomic array. Our architecture employs a pair of opt
 ical conveyor belts that transport dense atomic reservoirs\, initially pre
 pared in a first vacuum chamber\, into a second chamber where they are pos
 itioned near the quantum processor. Importantly\, loading new atoms from t
 he reservoir is non-destructive to the quantum state of the nearby array\,
  enabling deep circuits through mid-circuit atom replacement in future exp
 eriments. Demonstrating a reloading rate of 300\,000 atoms in tweezers per
  second\, we create over 30\,000 initialized qubits per second\, which we 
 leverage to assemble and maintain an array of over 3\,000 atoms for more t
 han two hours.At the end of the talk\, I will focus on molecular physics e
 merging from long-range Rydberg interactions. I will summarize studies of 
 so-called Rydberg macrodimers using quantum gas microscopy and briefly dis
 cuss new insights into the interaction blockade between pairs of macrodime
 rs\, which can be understood through the Rydberg interactions among all fo
 ur participating Rydberg atoms.
DTSTAMP:20260716T235619Z
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