@Article{Zhang_etal2003, author="Zhang, J. and S{\l}ysz, W. and Pearlman, A. and Verevkin, A. and Sobolewski, R. and Okunev, O. and Chulkova, G. and Gol{\textquoteright}tsman, G. N.", title="Time delay of resistive-state formation in superconducting stripes excited by single optical photons", journal="Phys. Rev. B", year="2003", volume="67", number="13", pages="132508 (1 to 4)", optkeywords="NbN SSPD; SNSPD", abstract="We have observed a 65({\textpm}5)-ps time delay in the onset of a resistive-state formation in 10-nm-thick, 130-nm-wide NbN superconducting stripes exposed to single photons. The delay in the photoresponse decreased to zero when the stripe was irradiated by multi-photon (classical) optical pulses. Our NbN structures were kept at 4.2 K, well below the material{\textquoteright}s critical temperature, and were illuminated by 100-fs-wide optical pulses. The time-delay phenomenon has been explained within the framework of a model based on photon-induced generation of a hotspot in the superconducting stripe and subsequent, supercurrent-assisted, resistive-state formation across the entire stripe cross section. The measured time delays in both the single-photon and two-photon detection regimes agree well with theoretical predictions of the resistive-state dynamics in one-dimensional superconducting stripes.", optnote="exported from refbase (https://db.rplab.ru/refbase/show.php?record=1519), last updated on Thu, 20 May 2021 19:53:05 -0500", issn="0163-1829", doi="10.1103/PhysRevB.67.132508", opturl="https://link.aps.org/doi/10.1103/PhysRevB.67.132508", opturl="https://doi.org/10.1103/PhysRevB.67.132508" }