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@INPROCEEDINGS{vanWaasen:1032033,
      author       = {van Waasen, Stefan and Vliex, Patrick and Schlösser, Mario
                      and Mutum, Santosh},
      title        = {{T}oward the approach of passive photonic link in quantum
                      computers},
      reportid     = {FZJ-2024-05945},
      year         = {2024},
      note         = {This work was funded by the German Federal Ministry of
                      Education and Research (BMBF), funding program “Quantum
                      technologies - from basic research to market”, project
                      QSolid (Grant No. 13N16149).},
      abstract     = {In Quantum computing, ensuring the stability of qubits is
                      crucial due to their extreme temperature sensitivity. To
                      achieve this, qubits are kept at millikelvin temperatures to
                      minimize thermal disruptions, while high frequency microwave
                      signals with broad data bandwidth are necessary to drive
                      them effectively. Currently, the prevalent approach involves
                      using robust coaxial cables to transmit signals between room
                      temperature electronics and the cryogenic environment where
                      qubits reside. However, as quantum computers scale up with
                      more qubits, coaxial cables face limitations due to cabling
                      bottlenecks and thermal issues, prompting exploration of
                      photonic links as a promising alternative. RF photonics has
                      shown advanced capabilities at room temperature, offering
                      high signal quality, low noise, and significant bandwidth
                      compared to coaxial cables. Therefore, investigating the
                      performance of RF photonics in cryogenic conditions becomes
                      imperative. This study presents findings on the performance
                      of a photonic link utilizing laser photodiodes,
                      demonstrating the behavior of Silicon and InGaAs photodiodes
                      when subjected to high frequency signals in a cryogenic
                      environment. Importantly, this photonic link has the
                      capability to directly drive both qubits and electronics in
                      the 4K stage passively without any biasing.},
      month         = {Sep},
      date          = {2024-09-04},
      organization  = {Silicon Quantum Electronics Workshop
                       2024, Davos (Switzerland), 4 Sep 2024 -
                       6 Sep 2024},
      subtyp        = {After Call},
      cin          = {ZEA-2},
      cid          = {I:(DE-Juel1)ZEA-2-20090406},
      pnm          = {5223 - Quantum-Computer Control Systems and Cryoelectronics
                      (POF4-522) / BMBF 13N16149 - QSolid (BMBF-13N16149)},
      pid          = {G:(DE-HGF)POF4-5223 / G:(DE-Juel1)BMBF-13N16149},
      typ          = {PUB:(DE-HGF)24},
      doi          = {10.34734/FZJ-2024-05945},
      url          = {https://juser.fz-juelich.de/record/1032033},
}