Ultra-low power generation of twin photons in a compact silicon ring resonator
Azzini, Stefano and Grassani, Davide and Strain, Michael J. and Sorel, Marc and Helt, L. G. and Sipe, J. E. and Liscidini, Marco and Galli, Matteo and Bajoni, Daniele (2012) Ultra-low power generation of twin photons in a compact silicon ring resonator. Optics Express, 20 (21). pp. 23100-23107.
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We demonstrate efficient generation of correlated photon pairs by spontaneous four wave mixing in a 5 μm radius silicon ring resonator in the telecom band around 1550 nm. By optically pumping our device with a 200 μW continuous wave laser, we obtain a pair generation rate of 0.2 MHz and demonstrate photon time correlations with a coincidence-to-accidental ratio as high as 250. The results are in good agreement with theoretical predictions and show the potential of silicon micro-ring resonators as room temperature sources for integrated quantum optics applications.
| Author(s): | Azzini, Stefano, Grassani, Davide, Strain, Michael J.  ORCID: https://orcid.org/0000-0002-9752-3144, Sorel, Marc, Helt, L. G., Sipe, J. E., Liscidini, Marco, Galli, Matteo and Bajoni, Daniele | Item type: | Article |
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| ID code: | 44385 |
| Keywords: | silicon micro-ring resonators, quantum optics, photon pairs, Optics. Light, Atomic and Molecular Physics, and Optics |
| Subjects: | Science > Physics > Optics. Light |
| Department: | Faculty of Science > Physics > Institute of Photonics |
| Depositing user: | Pure Administrator |
| Date deposited: | 30 Jul 2013 13:13 |
| Last modified: | 15 Nov 2019 05:39 |
| URI: | https://strathprints.strath.ac.uk/id/eprint/44385 |
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