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A waveguide-integrated superconducting nanowire single-photon detector with a spot-size converter on a Si photonics platform
https://kitami-it.repo.nii.ac.jp/records/8703
https://kitami-it.repo.nii.ac.jp/records/87039487dade-8aa9-4f2f-a3fb-aa7183a3afd7
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-02-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | A waveguide-integrated superconducting nanowire single-photon detector with a spot-size converter on a Si photonics platform | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | SSPD | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | SNSPD | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Si waveguide | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
その他のタイトル | ||||||
その他のタイトル | Waveguide‐integrated SNSPD with spot‐size converter on Si photonics platform | |||||
言語 | en | |||||
著者 |
Shibata, Hiroyuki
× Shibata, Hiroyuki× Hiraki, Tatsurou× Tsuchizawa, Tai× Yamada, Koji× Tokura, Yasuhiro× Matsuo, Sinji |
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著者別名 | ||||||
姓名 | 柴田, 浩行 | |||||
言語 | ja | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We report a high system-detection-efficiency superconducting nanowire single-photon detector (SNSPD) with a spot-size converter (SSC) on a Si photonics platform. The NbNSNSPD is evanescently coupled to the Si waveguide and connected to the optical fibre through the low-loss SSC comprising a Si inverse taper and large silica-based core. The fabricated SNSPD chip was assembled on a low-loss fibre-coupled module. The fibrecoupling loss of the module is remarkably small (1.9 dB/facet). The fabricated SNSPD module shows system detection efficiency of 32% with the dark count rate of 95 Hz and timing jitter of 75 ps. The measured system detection efficiency is over ten times larger than that of previous waveguide-integrated SNSPDs on the Si platform. The noise equivalent power (NEP) reaches 3.6 × 10-18 WHz-1/2, and the figure of merit (FOM) reaches 1.9 × 108. |
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言語 | en | |||||
書誌情報 |
en : Superconductor Science and Technology 巻 32, p. 034001, 発行日 2019-01 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0953-2048 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1361-6668/aaf84f | |||||
出版者 | ||||||
出版者 | IOP Publishing | |||||
著者版フラグ | ||||||
値 | author | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |