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Sökning: id:"swepub:oai:DiVA.org:kth-278969" > Efficient Single-Ph...

Efficient Single-Photon Detection with 7.7 ps Time Resolution for Photon-Correlation Measurements

Zadeh, Iman Esmaeil (författare)
Delft Univ Technol, Opt Res Grp, ImPhys Dept, Fac Appl Sci, NL-2628 CJ Delft, Netherlands.;Single Quantum BV, NL-2628 CJ Delft, Netherlands.
Los, Johannes W. N. (författare)
Single Quantum BV, NL-2628 CJ Delft, Netherlands.
Gourgues, Ronan B. M. (författare)
Single Quantum BV, NL-2628 CJ Delft, Netherlands.
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Chang, Jin (författare)
Delft Univ Technol, Opt Res Grp, ImPhys Dept, Fac Appl Sci, NL-2628 CJ Delft, Netherlands.
Elshaari, Ali W. (författare)
KTH,Kvant- och biofotonik
Zichi, Julien (författare)
KTH,Kvant- och biofotonik
van Staaden, Yuri J. (författare)
Delft Univ Technol, Opt Res Grp, ImPhys Dept, Fac Appl Sci, NL-2628 CJ Delft, Netherlands.
Swens, Jeroen P. E. (författare)
Delft Univ Technol, Opt Res Grp, ImPhys Dept, Fac Appl Sci, NL-2628 CJ Delft, Netherlands.
Kalhor, Nima (författare)
Single Quantum BV, NL-2628 CJ Delft, Netherlands.
Guardiani, Antonio (författare)
Single Quantum BV, NL-2628 CJ Delft, Netherlands.
Meng, Yun (författare)
Tianjin Univ, Sch Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China.;Minist Educ, Key Lab Optoelect Informat Sci & Technol, Tianjin 300072, Peoples R China.
Zou, Kai (författare)
Tianjin Univ, Sch Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China.;Minist Educ, Key Lab Optoelect Informat Sci & Technol, Tianjin 300072, Peoples R China.
Dobrovolskiy, Sergiy (författare)
Single Quantum BV, NL-2628 CJ Delft, Netherlands.
Fognini, Andreas W. (författare)
Single Quantum BV, NL-2628 CJ Delft, Netherlands.
Schaart, Dennis R. (författare)
Delft Univ Technol, Med Phys & Technol, Fac Appl Sci, Radiat Sci & Technol Dept, NL-2628 CJ Delft, Netherlands.
Dalacu, Dan (författare)
Natl Res Council Canada, Ottawa, ON K1A 0R6, Canada.
Poole, Philip J. (författare)
Natl Res Council Canada, Ottawa, ON K1A 0R6, Canada.
Reimer, Michael E. (författare)
Univ Waterloo, Inst Quantum Comp, Waterloo, ON N2L 3G1, Canada.;Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada.
Hu, Xiaolong (författare)
Tianjin Univ, Sch Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China.;Minist Educ, Key Lab Optoelect Informat Sci & Technol, Tianjin 300072, Peoples R China.
Pereira, Silvania F. (författare)
Delft Univ Technol, Opt Res Grp, ImPhys Dept, Fac Appl Sci, NL-2628 CJ Delft, Netherlands.
Zwiller, Val (författare)
Single Quantum BV, NL-2628 CJ Delft, Netherlands.;Royal Inst Technol KTH, Dept Appl Phys, Quantum Nano Photon Grp, S-10691 Stockholm, Sweden.
Dorenbos, Sander N. (författare)
Single Quantum BV, NL-2628 CJ Delft, Netherlands.
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Delft Univ Technol, Opt Res Grp, ImPhys Dept, Fac Appl Sci, NL-2628 CJ Delft, Netherlands;Single Quantum BV, NL-2628 CJ Delft, Netherlands. Single Quantum BV, NL-2628 CJ Delft, Netherlands. (creator_code:org_t)
2020-06-10
2020
Engelska.
Ingår i: ACS Photonics. - : AMER CHEMICAL SOC. - 2330-4022. ; 7:7, s. 1780-1787
Relaterad länk:
https://doi.org/10.1...
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https://pubs.acs.org...
https://urn.kb.se/re...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • A broad range of scientific and industrial disciplines require precise optical measurements at very low light levels. Single-photon detectors combining high efficiency and high time resolution are pivotal in such experiments. By using relatively thick films of NbTiN (8-11 nm) and improving the pattern fidelity of the nanostructure of the superconducting nanowire single-photon detectors (SNSPD), we fabricated devices demonstrating superior performance over all previously reported detectors in the combination of efficiency and time resolution. Our findings prove that small variations in the nanowire width, in the order of a few nanometers, can lead to a significant penalty on their temporal response. Addressing these issues, we consistently achieved high time resolution (best device 7.7 ps, other devices similar to 10-16 ps) simultaneously with high system detection efficiencies (80-90%) in the wavelength range of 780-1000 nm, as well as in the telecom bands (1310-1550 nm). The use of thicker films allowed us to fabricate large-area multipixel devices with homogeneous pixel performance. We first fabricated and characterized a 100 x 100 mu m(2) 16-pixel detector and showed there was little variation among individual pixels. Additionally, to showcase the power of our platform, we fabricated and characterized 4-pixel multimode fiber-coupled detectors and carried out photon-correlation experiments on a nanowire quantum dot resulting in g(2) (0) values lower than 0.04. The multipixel detectors alleviate the need for beamsplitters and can be used for higher order correlations with promising prospects not only in the field of quantum optics, but also in bioimaging applications, such as fluorescence microscopy and positron emission tomography.

Ämnesord

NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Nyckelord

superconducting nanowire single-photon detector
high time resolution
multipixel detectors
photon correlation
quantum optics

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