64 citations · 124 across the 6 of their papers we have counts for
14 papers
Superconducting Nanowire Single-Photon Detector (SNSPD) with 3D-Printed Free-Form Microlenses
Yilin Xu, Artem Kuzmin, Emanuel Knehr +6
We present an approach to increase the effective light-receiving area of superconducting nanowire single-photon detectors (SNSPD) by means of free-form microlenses that are printed…
Hybrid Electro-Optic Modulator Combining Silicon Photonic Slot Waveguides with High-k Radio-Frequency Slotlines
Sandeep Ummethala, Juned N. Kemal, Ahmed S. Alam +10
Electro-optic (EO) modulators rely on interaction of optical and electrical signals with second-order nonlinear media. For the optical signal, this interaction can be strongly enha…
Synchronous single-photon detection with self-resetting GHz-gated superconducting NbN nanowires
Emanuel Knehr, Artem Kuzmin, Steffen Doerner +4
We demonstrate a GHz-gated operation of resonator-coupled superconducting nanowire single-photon detectors suitable for synchronous applications. In comparison with conventional dc…
Local thermal fluctuations in current-carrying superconducting nanowires
Alexej D. Semenov, Mariia Sidorova, Mikhail A. Skvortsov +3
We analyze the effect of different types of fluctuations in internal electron energy on the rates of dark and photon counts in straight current-carrying superconducting nanowires.…
Nanowire single-photon detectors made of atomic layer-deposited niobium nitride
Emanuel Knehr, Artem Kuzmin, Mario Ziegler +5
We demonstrate and characterize first superconducting nanowire single-photon detectors (SNSPDs) made from atomic layer-deposited (ALD) NbN layers. To assess the suitability of thes…
Comparison of SNSPDs biased with microwave and direct currents
Steffen Doerner, Artem Kuzmin, Stefan Wuensch +1
This paper presents a detailed investigation of superconducting nanowire single-photon detectors (SNSPDs) biased with microwave and direct currents. We developed a hybrid detector,…