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physics.ins-det2025
Photothermal resistivity alignment of optical fibers to SNSPD
Martin Baránek, Dušan Lorenc, Tomáš Ščepka +5
We demonstrate a straightforward optoelectronic fiber alignment technique for superconducting nanowire single-photon detectors (SNSPDs) that exploits the temperature-dependent resi…
cond-mat.supr-con2025
Third harmonic-mediated amplification in TWPA
E. Rizvanov, S. Kern, P. Neilinger +1
In Josephson Traveling-Wave Parametric Amplifiers, higher-order harmonics of the pump tone and its sidebands are commonly present and typically regarded as parasitic. Consequently,…