| Records |
Author  |
Pentin, I. V.; Smirnov, A. V.; Ryabchun, S. A.; Ozhegov, R. V.; Gol’tsman, G. N.; Vaks, V. L.; Pripolzin, S. I.; Pavel’ev, D. G.; Koshurinov, Y. I.; Ivanov, A. S. |
| Title |
Semiconducting superlattice as a solid-state terahertz local oscillator for NbN hot-electron bolometer mixers |
Type |
Journal Article |
| Year |
2012 |
Publication |
Tech. Phys. |
Abbreviated Journal |
Tech. Phys. |
| Volume |
57 |
Issue |
7 |
Pages |
971-974 |
| Keywords |
semiconducting superlattice frequency multiplier, NbN HEB mixers |
| Abstract |
We present the results of our studies of the semiconducting superlattice (SSL) frequency multiplier and its application as part of the solid state local oscillator (LO) in the terahertz heterodyne receiver based on a NbN hot-electron bolometer (HEB) mixer. We show that the SSL output power level increases as the ambient temperature is lowered to 4.2 K, the standard HEB operation temperature. |
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1063-7842 |
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1378 |
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Pernice, W. H. P.; Schuck, C.; Minaeva, O.; Li, M.; Goltsman, G. N.; Sergienko, A. V.; Tang, H. X. |
| Title |
High-speed and high-efficiency travelling wave single-photon detectors embedded in nanophotonic circuits |
Type |
Journal Article |
| Year |
2012 |
Publication |
Nat. Commun. |
Abbreviated Journal |
Nat. Commun. |
| Volume |
3 |
Issue |
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Pages |
1325 (1 to 10) |
| Keywords |
waveguide SSPD |
| Abstract |
Ultrafast, high-efficiency single-photon detectors are among the most sought-after elements in modern quantum optics and quantum communication. However, imperfect modal matching and finite photon absorption rates have usually limited their maximum attainable detection efficiency. Here we demonstrate superconducting nanowire detectors atop nanophotonic waveguides, which enable a drastic increase of the absorption length for incoming photons. This allows us to achieve high on-chip single-photon detection efficiency up to 91% at telecom wavelengths, repeatable across several fabricated chips. We also observe remarkably low dark count rates without significant compromise of the on-chip detection efficiency. The detectors are fully embedded in scalable silicon photonic circuits and provide ultrashort timing jitter of 18 ps. Exploiting this high temporal resolution, we demonstrate ballistic photon transport in silicon ring resonators. Our direct implementation of a high-performance single-photon detector on chip overcomes a major barrier in integrated quantum photonics. |
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Department of Electrical Engineering, Yale University, New Haven, Connecticut 06511, USA |
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2041-1723 |
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PMID:23271658; PMCID:PMC3535416 |
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1375 |
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| Author |
Pernice, W.; Schuck, C.; Minaeva, O.; Li, M.; Goltsman, G. N.; Sergienko, A. V.; Tang, H. X. |
| Title |
High speed and high efficiency travelling wave single-photon detectors embedded in nanophotonic circuits |
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Miscellaneous |
| Year |
2012 |
Publication |
arXiv |
Abbreviated Journal |
arXiv |
| Volume |
1108.5299 |
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Pages |
1-23 |
| Keywords |
optical waveguides, waveguide SSPD, guantum photonics, jitter, detection efficiency |
| Abstract |
Ultrafast, high quantum efficiency single photon detectors are among the most sought-after elements in modern quantum optics and quantum communication. High photon detection efficiency is essential for scalable measurement-based quantum computation, quantum key distribution, and loophole-free Bell experiments. However, imperfect modal matching and finite photon absorption rates have usually limited the maximum attainable detection efficiency of single photon detectors. Here we demonstrate a superconducting nanowire detector atop nanophotonic waveguides which allows us to drastically increase the absorption length for incoming photons. When operating the detectors close to the critical current we achieve high on-chip single photon detection efficiency up to 91% at telecom wavelengths, with uncertainty dictated by the variation of the waveguide photon flux. We also observe remarkably low dark count rates without significant compromise of detection efficiency. Furthermore, our detectors are fully embedded in a scalable silicon photonic circuit and provide ultrashort timing jitter of 18ps. Exploiting this high temporal resolution we demonstrate ballistic photon transport in silicon ring resonators. The direct implementation of such a detector with high quantum efficiency, high detection speed and low jitter time on chip overcomes a major barrier in integrated quantum photonics. |
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845 |
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| Author |
Pile, David |
| Title |
How many bits can a photon carry |
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Journal Article |
| Year |
2012 |
Publication |
Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
| Volume |
6 |
Issue |
1 |
Pages |
14-15 |
| Keywords |
fromIPMRAS |
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Quantum physics offers a way to enhance the amount of information a photon can carry, with potential applications in optical communication, lithography, metrology and imaging. |
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View from... OSA Frontiers in Optics 2011: How many bits can a photon carry? |
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no |
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RPLAB @ gujma @ |
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780 |
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Pris, Andrew D.; Utturkar, Yogen; Surman, Cheryl; Morris, William G.; Vert, Alexey; Zalyubovskiy, Sergiy; Deng, Tao; Ghiradella, Helen T.; Potyrailo, Radislav A. |
| Title |
Towards high-speed imaging of infrared photons with bio-inspired nanoarchitectures |
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Journal Article |
| Year |
2012 |
Publication |
Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
| Volume |
6 |
Issue |
3 |
Pages |
195-200 |
| Keywords |
fromIPMRAS |
| Abstract |
Existing infrared detectors rely on complex microfabrication and thermal management methods. Here, we report an attractive platform of low-thermal-mass resonators inspired by the architectures of iridescent Morpho butterfly scales. In these resonators, the optical cavity is modulated by its thermal expansion and refractive index change, resulting in `wavelength conversion' of mid-wave infrared (3-8 µm) radiation into visible iridescence changes. By doping Morpho butterfly scales with single-walled carbon nanotubes, we achieved mid-wave infrared detection with 18-62 mK noise-equivalent temperature difference and 35-40 Hz heat-sink-free response speed. The nanoscale pitch and the extremely small thermal mass of individual `pixels' promise significant improvements over existing detectors. Computational analysis explains the origin of this thermal response and guides future conceptually new bio-inspired thermal imaging sensor designs. |
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RPLAB @ gujma @ |
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785 |
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