| Records |
| Author |
Kuzin, Aleksei; Elmanov, Ilia; Kovalyuk, Vadim; An, Pavel; Goltsman, Gregory |
| Title |
Silicon nitride focusing grating coupler for input and output light of NV-centers |
Type |
Conference Article |
| Year |
2020 |
Publication |
Proc. 32-nd EMSS |
Abbreviated Journal |
Proc. 32-nd EMSS |
| Volume |
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Issue |
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Pages |
349-353 |
Keywords  |
NV-centers, focusing grating coupler |
| Abstract |
Here we presented the numerical results for the calculation of focusing grating coupler efficiency in the visible wavelength range. Using the finite element method, the optimal geometric parameters, including filling factor and grating period for a central wavelength of 637 nm, were found. Obtained results allow to input/output single-photon radiation from NV-centers, and can be used for research and development of a scalable on-chip quantum optical computing. |
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| ISSN |
2724-0029 |
ISBN |
978-88-85741-44-7 |
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Conference |
32nd European Modeling & Simulation Symposium |
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no |
| Call Number |
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Serial |
1841 |
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| Author |
Elmanov, Ilia; Elmanova, Anna; Kovalyuk, Vadim; An, Pavel; Goltsman, Gregory |
| Title |
Integrated contra-directional coupler for NV-centers photon filtering |
Type |
Conference Article |
| Year |
2020 |
Publication |
Proc. 32-nd EMSS |
Abbreviated Journal |
Proc. 32-nd EMSS |
| Volume |
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Issue |
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Pages |
354-360 |
| Keywords |
NV-centers, nanodiamonds, quantum photonic integrated circuits, contra-direction coupler, Bragg gratings |
| Abstract |
We modelled an integrated optical contra-directional coupler on silicon nitride platform. Performance of the filter was studied depending on different parameters, including the grating period and the height of teeth of the Bragg grating near 637 nm operation wavelength. The obtained results can be used for a design and fabrication of quantum photonic integrated circuits with on-chip single-photon NV-centers in nanodiamonds. |
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| ISSN |
2724-0029 |
ISBN |
978-88-85741-44-7 |
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Conference |
32nd European Modeling & Simulation Symposium |
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no |
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Serial |
1839 |
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| Author |
Golikov, A.; Kovalyuk, V.; An, P.; Zubkova, E.; Ferrari, S.; Pernice, W.; Korneev, A.; Goltsman, G. |
| Title |
Silicon nitride nanophotonic circuit for on-chip spontaneous four-wave mixing |
Type |
Conference Article |
| Year |
2018 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
| Volume |
1124 |
Issue |
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Pages |
051051 |
| Keywords |
O-ring resonator |
| Abstract |
Here we present an integrated nanophotonic circuit for on-chip spontaneous four-wave mixing. The fabricated device includes an O-ring resonator, a Bragg noch-filter as well as a nine-channel arrayed waveguide gratings (AWG) operated in the C-band wavelength range (1550 nm). The measured optical losses of the device (-6.8 dB) as well as a high Q-factor (> 1.2×105) shows a good potential for realizing the spontaneous four-wave mixing on the silicon nitride chip. |
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| ISSN |
1742-6588 |
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no |
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Serial |
1193 |
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| Author |
Prokhodtsov, A.; An, P.; Kovalyuk, V.; Zubkova, E.; Golikov, A.; Korneev, A.; Ferrari, S.; Pernice, W.; Goltsman, G. |
| Title |
Optimization of on-chip photonic delay lines for telecom wavelengths |
Type |
Conference Article |
| Year |
2018 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
| Volume |
1124 |
Issue |
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Pages |
051052 |
| Keywords |
optical delay lines |
| Abstract |
In this work, we experimentally studied optical delay lines on silicon nitride platform for telecomm wavelength (1550 nm). We modeled the group delay time and fabricated spiral optical delay lines with different waveguide widths and radii as well as measured their transmission. For the half etched rib waveguides we achieved the losses in the range of 3 dB/cm. |
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| ISSN |
1742-6588 |
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no |
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Serial |
1196 |
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| Author |
Goltsman, G. |
| Title |
Superconducting thin film as infrared heterodyne and direct detectors |
Type |
Conference Article |
| Year |
2017 |
Publication |
16th ISEC |
Abbreviated Journal |
16th ISEC |
| Volume |
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Issue |
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Pages |
1-3 |
| Keywords |
optical waveguide SSPD, SNSPD |
| Abstract |
We present our recent achievements in the development of superconducting nanowire single-photon detectors (SNSPDs) integrated with optical waveguides on a chip. We demonstrate both single-photon counting with up to 90% on-chip-quantum-efficiency (OCDE), and the heterodyne mixing with a close to the quantum limit sensitivity at the telecommunication wavelength using single device. |
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no |
| Call Number |
8314188 |
Serial |
1323 |
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