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  1. 学術雑誌掲載済論文
  2. 洋雑誌

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
9487dade-8aa9-4f2f-a3fb-aa7183a3afd7
名前 / ファイル ライセンス アクション
Supercond. Waveguide‐integrated SNSPD with spot‐size converter on Si photonics platform (818.1 kB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 90154

en Shibata, Hiroyuki

Search repository
Hiraki, Tatsurou

× Hiraki, Tatsurou

WEKO 90155

en Hiraki, Tatsurou

Search repository
Tsuchizawa, Tai

× Tsuchizawa, Tai

WEKO 90156

en Tsuchizawa, Tai

Search repository
Yamada, Koji

× Yamada, Koji

WEKO 90157

en Yamada, Koji

Search repository
Tokura, Yasuhiro

× Tokura, Yasuhiro

WEKO 90158

en Tokura, Yasuhiro

Search repository
Matsuo, Sinji

× Matsuo, Sinji

WEKO 90159

en Matsuo, Sinji

Search repository
著者別名
姓名
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.
言語 en
書誌情報 en : Superconductor Science and Technology

巻 32, p. 034001, 発行日 2019-01
ISSN
収録物識別子タイプ PISSN
収録物識別子 0953-2048
DOI
関連識別子
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
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