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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 26 — Dec. 21, 2009
  • pp: 23557–23564

Compactly packaged superconducting nanowire single-photon detector with an optical cavity for multichannel system

Shigehito Miki, Masanori Takeda, Mikio Fujiwara, Masahide Sasaki, and Zhen Wang  »View Author Affiliations

Optics Express, Vol. 17, Issue 26, pp. 23557-23564 (2009)

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We developed superconducting nanowire single-photon detectors with an optical cavity (OC-SNSPDs) for multichannel systems. For efficient coupling, the devices were installed in compact fiber-coupled packages after their substrate thickness was reduced from 400 to 45 μm. The measured detection efficiency (DE) measurement at different substrate thicknesses and the estimation of optical coupling efficiency indicated that ~98% of the input light beam could be radiated on a 15 × 15 μm2 nanowire area from behind the substrate. The DEs of a NbN OC-SNSPD system were observed to be 9.5% and 25% at 1550 nm and 1310 nm, respectively (dark-count rate: 100 c/s).

© 2009 OSA

OCIS Codes
(040.5160) Detectors : Photodetectors
(270.5570) Quantum optics : Quantum detectors

ToC Category:

Original Manuscript: June 30, 2009
Revised Manuscript: September 11, 2009
Manuscript Accepted: September 18, 2009
Published: December 9, 2009

Shigehito Miki, Masanori Takeda, Mikio Fujiwara, Masahide Sasaki, and Zhen Wang, "Compactly packaged superconducting nanowire single-photon detector with an optical cavity for multichannel system," Opt. Express 17, 23557-23564 (2009)

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  1. G. Gol'tsman, O. Okunev, G. Chulkova, A. Lipatov, A. Semenov, K. Smirnov, B. Voronov, A. Dzardanov, C. Williams, and R. Sobolewski, “Picosecond superconducting single photon detector,” Appl. Phys. Lett. 79(6), 705–707 (2001). [CrossRef]
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  6. T. Honjo, S. W. Nam, H. Takesue, Q. Zhang, H. Kamada, Y. Nishida, O. Tadanaga, M. Asobe, B. Baek, R. Hadfield, S. Miki, M. Fujiwara, M. Sasaki, Z. Wang, K. Inoue, and Y. Yamamoto, “Long-distance entanglement-based quantum key distribution over optical fiber,” Opt. Express 16(23), 19118–19126 (2008). [CrossRef] [PubMed]
  7. R. H. Hadfield, M. J. Stevens, S. S. Gruber, A. J. Miller, R. E. Schwall, R. P. Mirin, and S. W. Nam, “Single photon source characterization with a superconducting single photon detector,” Opt. Express 13(26), 10846–10853 (2005). [CrossRef] [PubMed]
  8. S. Miki, M. Fujiwara, M. Sasaki, and Z. Wang, “Development of SNSPD System with Gifford-McMahon Cryocooler,” IEEE Trans. Appl. Supercond. 19(3), 332–335 (2009). [CrossRef]
  9. K. M. Rosfjord, J. K. W. Yang, E. A. Dauler, A. J. Kerman, V. Anant, B. M. Voronov, G. N. Gol’tsman, and K. K. Berggren, “Nanowire single-photon detector with an integrated optical cavity and anti-reflection coating,” Opt. Express 14(2), 527–534 (2006). [CrossRef] [PubMed]
  10. S. Miki, M. Fujiwara, M. Sasaki, and Z. Wang, “NbN Superconducting Single-photon Detectors Prepared on Single-crystal MgO Substrates,” IEEE Trans. Appl. Supercond. 17(2), 285–288 (2007). [CrossRef]
  11. A. E. Lita, A. J. Miller, and S. W. Nam, “Counting near-infrared single-photons with 95% efficiency,” Opt. Express 16(5), 3032–3040 (2008). [CrossRef] [PubMed]

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