Enhanced telecom wavelength single-photon detection with NbTiN superconducting nanowires on oxidized silicon

M. G. Tanner, C. M. Natarajan, V. K. Pottapenjara, J. A. O'Connor, R. J. Warburton, R. H. Hadfield, B. Baek, S. Nam, S. N. Dorenbos, E. B. Urea, T. Zijlstra, T. M. Klapwijk, V. Zwiller

Research output: Contribution to journalArticle

Abstract

Superconducting nanowire single-photon detectors (SNSPDs) have emerged as a highly promising infrared single-photon detector technology. Next-generation devices are being developed with enhanced detection efficiency (DE) at key technological wavelengths via the use of optical cavities. Furthermore, new materials and substrates are being explored for improved fabrication versatility, higher DE, and lower dark counts. We report on the practical performance of packaged NbTiN SNSPDs fabricated on oxidized silicon substrates in the wavelength range from 830 to 1700 nm. We exploit constructive interference from the SiO2 /Si interface in order to achieve enhanced front-side fiber-coupled DE of 23.2 % at 1310 nm, at 1 kHz dark count rate, with 60 ps full width half maximum timing jitter. © 2010 American Institute of Physics.

Original languageEnglish
Article number221109
JournalApplied Physics Letters
Volume96
Issue number22
DOIs
Publication statusPublished - 31 May 2010

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nanowires
detectors
photons
silicon
wavelengths
versatility
time measurement
interference
vibration
cavities
fabrication
physics
fibers

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Tanner, M. G., Natarajan, C. M., Pottapenjara, V. K., O'Connor, J. A., Warburton, R. J., Hadfield, R. H., ... Zwiller, V. (2010). Enhanced telecom wavelength single-photon detection with NbTiN superconducting nanowires on oxidized silicon. Applied Physics Letters, 96(22), [221109]. https://doi.org/10.1063/1.3428960
Tanner, M. G. ; Natarajan, C. M. ; Pottapenjara, V. K. ; O'Connor, J. A. ; Warburton, R. J. ; Hadfield, R. H. ; Baek, B. ; Nam, S. ; Dorenbos, S. N. ; Urea, E. B. ; Zijlstra, T. ; Klapwijk, T. M. ; Zwiller, V. / Enhanced telecom wavelength single-photon detection with NbTiN superconducting nanowires on oxidized silicon. In: Applied Physics Letters. 2010 ; Vol. 96, No. 22.
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Tanner, MG, Natarajan, CM, Pottapenjara, VK, O'Connor, JA, Warburton, RJ, Hadfield, RH, Baek, B, Nam, S, Dorenbos, SN, Urea, EB, Zijlstra, T, Klapwijk, TM & Zwiller, V 2010, 'Enhanced telecom wavelength single-photon detection with NbTiN superconducting nanowires on oxidized silicon', Applied Physics Letters, vol. 96, no. 22, 221109. https://doi.org/10.1063/1.3428960

Enhanced telecom wavelength single-photon detection with NbTiN superconducting nanowires on oxidized silicon. / Tanner, M. G.; Natarajan, C. M.; Pottapenjara, V. K.; O'Connor, J. A.; Warburton, R. J.; Hadfield, R. H.; Baek, B.; Nam, S.; Dorenbos, S. N.; Urea, E. B.; Zijlstra, T.; Klapwijk, T. M.; Zwiller, V.

In: Applied Physics Letters, Vol. 96, No. 22, 221109, 31.05.2010.

Research output: Contribution to journalArticle

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AU - O'Connor, J. A.

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