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DTSTART:20260329T030000
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DTSTAMP:20260416T051710Z
UID:1772542800@ist.ac.at
DTSTART:20260303T140000
DTEND:20260303T150000
DESCRIPTION:Speaker: Thomas Werner\nhosted by Matthew Kwan\nAbstract: In th
 is thesis\, I investigate superconducting quantum circuits as a platform f
 or both fundamental tests of quantum mechanics and scalable quantum inform
 ation processing. Superconducting qubits are engineered electrical circuit
 s that exhibit discrete\, atom-like energy levels. Unlike natural atoms\, 
 their spectra can be designed and fabricated\, enabling flexible control a
 t the cost of device-to-device variability. These systems operate below 10
 0 mK to suppress thermal noise at their characteristic microwave frequenci
 es (~10 GHz). In contrast\, optical photons (~193 THz) are robust against 
 room-temperature thermal noise and are ideal carriers of quantum informati
 on over long distances. Bridging these frequency regimes is therefore esse
 ntial for connecting superconducting quantum processors to optical quantum
  networks. To address this challenge\, we develop electro-optic transducer
 s. These devices convert single photons between the microwave and the opti
 cal domain. I demonstrate two proof-of-principle experiments: all-optical 
 readout of a superconducting qubit state and upconversion of single microw
 ave photons to optical frequencies. These results establish a pathway towa
 rd integrating superconducting qubits with large-scale quantum communicati
 on networks.
LOCATION:Sunstone Bldg / Ground floor / Big Seminar Room B (I23.EG.102) \, 
 ISTA
ORGANIZER:
SUMMARY:Thomas Werner: Thesis Defense: Interfacing superconducting qubits w
 ith optical photons
URL:https://talks-calendar.ista.ac.at/events/6316
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