TY - JOUR AU - Xiaolong Hu AU - Holzwarth, C. W. AU - Masciarelli, D. AU - Dauler, E. A. AU - Berggren, K. K. PY - 2009 DA - 2009// TI - Efficiently coupling light to superconducting nanowire single-photon detectors JO - IEEE Trans. Appl. Supercond. SP - 336 EP - 340 VL - 19 IS - 3 KW - optical antennas KW - SNSPD AB - We designed superconducting nanowire single-photon detectors (SNSPDs) integrated with silver optical antennae for free-space coupling and a dielectric waveguide for fiber coupling. According to our finite-element simulation, (1) for the free-space coupling, the absorptance of the NbN nanowire for TM-polarized photons at the wavelength of 1550 nm can be as high as 96% by adding silver optical antennae; (2) for the fiber coupling, the absorptance of the NbN nanowire for TE-like-polarized photons can reach 76% including coupling efficiency at the wavelength of 1550 nm by adding a silicon nitride waveguide and an inverse-taper coupler. N1 - exported from refbase (https://db.rplab.ru/refbase/show.php?record=647), last updated on Sun, 22 May 2016 15:53:17 -0500 ID - XiaolongHu_etal2009 ER -