| Records |
| Author |
Goltsman, G. N. |
Title  |
Submillimeter superconducting receivers for astronomy, atmospheric studies and other applications |
Type |
Abstract |
| Year |
2006 |
Publication |
31nd IRMW / 14th ICTE |
Abbreviated Journal |
31nd IRMW / 14th ICTE |
| Volume |
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Issue |
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Pages |
177 |
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| Abstract |
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Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics |
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| Call Number |
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Serial |
1443 |
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| Author |
Nasr, M. B.; Minaeva, O.; Goltsman, G. N.; Sergienko, A. V.; Saleh, B. E.; Teich, M. C. |
| Title |
Submicron axial resolution in an ultrabroadband two-photon interferometer using superconducting single-photon detectors |
Type |
Journal Article |
| Year |
2008 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
| Volume |
16 |
Issue |
19 |
Pages |
15104-15108 |
| Keywords |
SSPD, SNSPD |
| Abstract |
We generate ultrabroadband biphotons via the process of spontaneous parametric down-conversion in a quasi-phase-matched nonlinear grating that has a linearly chirped poling period. Using these biphotons in conjunction with superconducting single-photon detectors (SSPDs), we measure the narrowest Hong-Ou-Mandel dip to date in a two-photon interferometer, having a full width at half maximum (FWHM) of approximately 5.7 fsec. This FWHM corresponds to a quantum optical coherence tomography (QOCT) axial resolution of 0.85 µm. Our results indicate that a high flux of nonoverlapping biphotons may be generated, as required in many applications of nonclassical light. |
| Address |
Departments of Electrical & Computer Engineering and Physics, Quantum Imaging Laboratory, Boston University, Boston, MA 02215, USA. boshra@bu.edu |
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English |
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1094-4087 |
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| Notes |
PMID:18795048 |
Approved |
no |
| Call Number |
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Serial |
1408 |
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| Author |
Shcherbatenko, M. L.; Elezov, M. S.; Goltsman, G. N.; Sych, D. V. |
| Title |
Sub-shot-noise-limited fiber-optic quantum receiver |
Type |
Journal Article |
| Year |
2020 |
Publication |
Phys. Rev. A |
Abbreviated Journal |
Phys. Rev. A |
| Volume |
101 |
Issue |
3 |
Pages |
032306 (1 to 5) |
| Keywords |
SSPD mixer, SNSPD |
| Abstract |
We experimentally demonstrate a quantum receiver based on the Kennedy scheme for discrimination between two phase-modulated weak coherent states. The receiver is assembled entirely from standard fiber-optic elements and operates at a conventional telecom wavelength of 1.55 μm. The local oscillator and the signal are transmitted through different optical fibers, and the displaced signal is measured with a high-efficiency superconducting nanowire single-photon detector. We show the discrimination error rate is two times below that of a shot-noise-limited receiver with the same system detection efficiency. |
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Edition |
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| ISSN |
2469-9926 |
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no |
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Serial |
1268 |
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| Author |
Pyatkov, F.; Khasminskaya, S.; Kovalyuk, V.; Hennrich, F.; Kappes, M. M.; Goltsman, G. N.; Pernice, W. H. P.; Krupke, R. |
| Title |
Sub-nanosecond light-pulse generation with waveguide-coupled carbon nanotube transducers |
Type |
Journal Article |
| Year |
2017 |
Publication |
Beilstein J. Nanotechnol. |
Abbreviated Journal |
Beilstein J. Nanotechnol. |
| Volume |
8 |
Issue |
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Pages |
38-44 |
| Keywords |
carbon nanotubes; CNT; infrared; integrated optics devices; nanomaterials |
| Abstract |
Carbon nanotubes (CNTs) have recently been integrated into optical waveguides and operated as electrically-driven light emitters under constant electrical bias. Such devices are of interest for the conversion of fast electrical signals into optical ones within a nanophotonic circuit. Here, we demonstrate that waveguide-integrated single-walled CNTs are promising high-speed transducers for light-pulse generation in the gigahertz range. Using a scalable fabrication approach we realize hybrid CNT-based nanophotonic devices, which generate optical pulse trains in the range from 200 kHz to 2 GHz with decay times below 80 ps. Our results illustrate the potential of CNTs for hybrid optoelectronic systems and nanoscale on-chip light sources. |
| Address |
Department of Materials and Earth Sciences, Technische Universitat Darmstadt, Darmstadt 64287, Germany |
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2190-4286 |
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| Notes |
PMID:28144563; PMCID:PMC5238692 |
Approved |
no |
| Call Number |
RPLAB @ kovalyuk @ |
Serial |
1109 |
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| Author |
Bakhvalova, T.; Belkin, M. E.; Kovalyuk, V. V.; Prokhodtcov, A. I.; Goltsman, G. N.; Sigov, A. S. |
| Title |
Studying key principles for design and fabrication of silicon photonic-based beamforming networks |
Type |
Conference Article |
| Year |
2019 |
Publication |
PIERS-Spring |
Abbreviated Journal |
PIERS-Spring |
| Volume |
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Issue |
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Pages |
745-751 |
| Keywords |
silicon photonics, TriPleX platform |
| Abstract |
In the paper, we address key principles for computer-aided design and fabrication of silicon-photonics-based optical beamforming network selecting the optimal approach by simulation and experimental results. To clarify the consideration, the study is conducted on the example of a widely used binary switchable silicon-nitride optical beamforming network based on TriPleX platform. Comparison of simulation results and experimental studies of the prototype shows that the relative error due to technological imperfections does not exceed 3%. According to the estimation, such an error introduces insignificant distortion in the radiation pattern of the referred antenna array. |
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no |
| Call Number |
9017646 |
Serial |
1186 |
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