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Betz, A. L.; Johnson, M. A.; McLaren, R. A.; Sutton, E. C. |
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Title |
Heterodyne detection of CO2 emission lines and wind velocities in the atmosphere of Venus |
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1976 |
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Astrophys. J. |
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208 |
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L141-L144 |
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carbon dioxide, emission spectra, optical heterodyning, planetary radiation, venus atmosphere, wind velocity, doppler effect, infrared radiation, ultraviolet radiation, venus clouds |
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455 |
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Fedorov, G.; Gayduchenko, I.; Titova, N.; Gazaliev, A.; Moskotin, M.; Kaurova, N.; Voronov, B.; Goltsman, G. |
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Title |
Carbon nanotube based schottky diodes as uncooled terahertz radiation detectors |
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Journal Article |
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2018 |
Publication |
Phys. Status Solidi B |
Abbreviated Journal |
Phys. Status Solidi B |
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255 |
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1 |
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1700227 (1 to 6) |
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Keywords |
carbon nanotube schottky diodes, CNT |
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Abstract |
Despite the intensive development of the terahertz technologies in the last decade, there is still a shortage of efficient room‐temperature radiation detectors. Carbon nanotubes (CNTs) are considered as a very promising material possessing many of the features peculiar for graphene (suppression of backscattering, high mobility, etc.) combined with a bandgap in the carrier spectrum. In this paper, we investigate the possibility to incorporate individual CNTs into devices that are similar to Schottky diodes. The latter is currently used to detect radiation with a frequency up to 50 GHz. We report results obtained with semiconducting (bandgap of about 0.5 eV) and quasi‐metallic (bandgap of few meV) single‐walled carbon nanotubes (SWNTs). Semiconducting CNTs show better performance up to 300 GHz with responsivity up to 100 V W−1, while quasi‐metallic CNTs are shown to operate up to 2.5 THz. |
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0370-1972 |
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1321 |
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Rodriguez-Morales, F.; Zannoni, R.; Nicholson, J.; Fischetti, M.; Yngvesson, K. S.; Appenzeller, J. |
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Direct and heterodyne detection of microwaves in a metallic single wall carbon nanotube |
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2006 |
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Applied Physics Letters |
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Appl. Phys. Lett. |
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89 |
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8 |
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083502 |
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carbon nanotube, GHz heterodyne detector, direct detector |
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0003-6951 |
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565 |
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Khasminskaya, S.; Pyatkov, F.; Słowik, K.; Ferrari, S.; Kahl, O.; Kovalyuk, V.; Rath, P.; Vetter, A.; Hennrich, F.; Kappes, M. M.; Gol'tsman, G.; Korneev, A.; Rockstuhl, C.; Krupke, R.; Pernice, W. H. P. |
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Fully integrated quantum photonic circuit with an electrically driven light source |
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Journal Article |
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2016 |
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Nat. Photon. |
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Nat. Photon. |
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10 |
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11 |
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727-732 |
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Carbon nanotubes and fullerenes, Integrated optics, Single photons and quantum effects, Waveguide integrated single-photon detector |
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Photonic quantum technologies allow quantum phenomena to be exploited in applications such as quantum cryptography, quantum simulation and quantum computation. A key requirement for practical devices is the scalable integration of single-photon sources, detectors and linear optical elements on a common platform. Nanophotonic circuits enable the realization of complex linear optical systems, while non-classical light can be measured with waveguide-integrated detectors. However, reproducible single-photon sources with high brightness and compatibility with photonic devices remain elusive for fully integrated systems. Here, we report the observation of antibunching in the light emitted from an electrically driven carbon nanotube embedded within a photonic quantum circuit. Non-classical light generated on chip is recorded under cryogenic conditions with waveguide-integrated superconducting single-photon detectors, without requiring optical filtering. Because exclusively scalable fabrication and deposition methods are used, our results establish carbon nanotubes as promising nanoscale single-photon emitters for hybrid quantum photonic devices. |
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RPLAB @ kovalyuk @ |
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1105 |
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Pyatkov, Felix; Khasminskaya, Svetlana; Fütterling, Valentin; Fechner, Randy; Słowik, Karolina; Ferrari, Simone; Kahl1, Oliver; Kovalyuk, Vadim; Rath, Patrik; Vetter, Andreas; Flavel, Benjamin S.; Hennrich, Frank; Kappes, Manfred M.; Gol’tsman, Gregory N.; Korneev, Alexander; Rockstuhl, Carsten; Krupke, Ralph; Pernice, Wolfram H. P. |
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Title |
Carbon nanotubes as exceptional electrically driven on-chip light sources |
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Miscellaneous |
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2016 |
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2Physics |
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2Physics |
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carbon nanotubes, CNT |
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Carbon nanotubes (CNTs) belong to the most exciting objects of the nanoworld. Typically, around 1 nm in diameter and several microns long, these cylindrically shaped carbon-based structures exhibit a number of exceptional mechanical, electrical and optical characteristics [1]. In particular, they are promising ultra-small light sources for the next generation of optoelectronic devices, where electrical components are interconnected with photonic circuits.
Few years ago, we demonstrated that electically driven CNTs can serve as waveguide-integrated light sources [2]. Progress in the field of nanotube sorting, dielectrophoretical site-selective deposition and efficient light coupling into underlying substrate has made CNTs suitable for wafer-scale fabrication of active hybrid nanophotonic devices [2,3].
Recently we presented a nanotube-based waveguide integrated light emitters with tailored, exceptionally narrow emission-linewidths and short response times [4]. This allows conversion of electrical signals into well-defined optical signals directly within an optical waveguide, as required for future on-chip optical communication. Schematics and realization of this device is shown in Figure 1. The devices were manufactured by etching a photonic crystal waveguide into a dielectric layer following electron beam lithography. Photonic crystals are nanostructures that are also used by butterflies to give the impression of color on their wings. The same principle has been used in this study to select the color of light emitted by the CNT. The precise dimensions of the structure were numerically simulated to tailor the properties of the final device. Metallic contacts in the vicinity to the waveguide were fabricated to provide electrical access to CNT emitters. Finally, CNTs, sorted by structural and electronic properties, were deposited from a solution across the waveguide using dielectrophoresis, which is an electric-field-assisted deposition technique. |
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2372-1782 |
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1219 |
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