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Author  |
Xiaolong Hu; Holzwarth, C.W.; Masciarelli, D.; Dauler, E.A.; Berggren, K.K. | ||||
| Title | Efficiently coupling light to superconducting nanowire single-photon detectors | Type | Journal Article | ||
| Year | 2009 | Publication | IEEE Trans. Appl. Supercond. | Abbreviated Journal | |
| Volume | 19 | Issue | 3 | Pages | 336-340 |
| Keywords | optical antennas; SNSPD | ||||
| Abstract | 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. | ||||
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| Notes | Approved | no | |||
| Call Number | RPLAB @ gujma @ | Serial | 647 | ||
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