Reduced dark counts in optimized geometries for superconducting nanowire single photon detectors.
نویسندگان
چکیده
We have experimentally compared the critical current, dark count rate and photo-response of 100nm wide superconducting nanowires with different bend designs. Enhanced critical current for nanowires with optimally rounded bends, and thus with no current crowding, are observed. Furthermore, we find that the optimally designed bend significantly reduces the dark counts without compromising the photo-response of the device. The results can lead to major improvements in superconducting nanowire single photon detectors.
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ورودعنوان ژورنال:
- Optics express
دوره 20 21 شماره
صفحات -
تاریخ انتشار 2012