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Titanium-based transition-edge photon number resolving detector with 98% detection efficiency with index-matched small-gap fiber coupling
Open accessAbstract
We have realized a high-detection-efficiency photon number resolving detector at an operating wavelength of about 850 nm. The detector consists of a titanium superconducting transition edge sensor in an optical cavity, which is directly coupled to an optical fiber using an approximately 300-nm gap. The gap reduces the sensitive area and heat capacity of the device, leading to high photon number resolution of 0.42 eV without sacrificing detection efficiency or signal response speed. Wavelength dependent efficiency in fiber-coupled devices, which is due to optical interference between the fiber and the device, is also decreased to less than 1% in this configuration. The overall system detection efficiency is 98%±1% at wavelengths of around 850 nm, which is the highest value ever reported in this wavelength range.
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Citations
Cites
Counting near-infrared single-photons with 95% efficiency
Lita, A. E., Miller, A. J., & Nam, S. W. (2008) · Optics Express · doi:10.1364/oe.16.003032 · Cited by 734
Cabrera, B., Clarke, R. M., Colling, P., Miller, A. J., Nam, S., & Romani, R. W. (1998) · Applied Physics Letters · doi:10.1063/1.121984 · Cited by 352
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Photonic quantum information processing: a concise review
Slussarenko, S., & Pryde, G. J. (2019) · Applied Physics Reviews · doi:10.1063/1.5115814 · Cited by 644
An entanglement-enhanced microscope
Ono, T., Okamoto, R., & Takeuchi, S. (2013) · Nature Communications · doi:10.1038/ncomms3426 · Cited by 323
Gerrits, T., Thomas-Peter, N., Gates, J. C., Lita, A. E., Metcalf, B. J., Calkins, B., Tomlin, N. A., Fox, A. E., Linares, A. L., Spring, J. B., et al. (2011) · Physical Review A · doi:10.1103/physreva.84.060301 · Cited by 88
Integrated transition edge sensors on titanium in-diffused lithium niobate waveguides
Höpker, J. P., Gerrits, T., Lita, A., Krapick, S., Herrmann, H., Ricken, R., Quiring, V., Mirin, R., Nam, S. W., Silberhorn, C., et al. (2019) · APL Photonics · doi:10.1063/1.5086276 · Cited by 49
Metadata
- Authors
- Fukuda, D., Fujii, G., Numata, T., Amemiya, K., Yoshizawa, A., Tsuchida, H., Fujino, H., Ishii, H., Itatani, T., Inoue, S., & Zama, T.
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2011-01-06
- Volume
- 19
- Issue
- 2
- Pages
- 870
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2023226995
- Cited by
- 271
- References
- 2
- FWCI
- 10.37
- Type
- journal article
- Language
- en
- Open access
- gold
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- Fukuda, D., Fujii, G., Numata, T., Amemiya, K., Yoshizawa, A., Tsuchida, H., Fujino, H., Ishii, H., Itatani, T., Inoue, S., & Zama, T. (2011). Titanium-based transition-edge photon number resolving detector with 98% detection efficiency with index-matched small-gap fiber coupling. Optics Express. https://doi.org/10.1364/oe.19.000870
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