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| Author |
Brown, E. R.; Lee, A. W. M.; Navi, B. S.; Bjarnason, J. E. |
| Title |
Characterization of a planar self-complementary square-spiral antenna in the THz region |
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Journal Article |
| Year |
2006 |
Publication |
Microwave and Optical Technology Letters |
Abbreviated Journal |
Microwave Opt Technol Lett |
| Volume |
48 |
Issue |
3 |
Pages |
524-529 |
| Keywords |
optical antennas; square spiral antenna; self complementary THz; photomixing; lens; method of moments; geometric optics; physical optics |
| Abstract |
This paper describes a compact, self-complementary square-spiral antenna on a GaAs substrate with a broadside high-directivity (~9 dB) frequency-independent pattern when coupled through a silicon hyperhemisphere. The driving-point resistance undulates between ~00 and 300Ω from 200 GHz to 1 THz—much higher than the 72Ω value from Booker's modified formula, but quite beneficial for coupling to high-impedance broadband devices |
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RPLAB @ gujma @ |
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736 |
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Zhang, Qiang; Goebel, Alexander; Wagenknecht, Claudia; Chen, Yu-Ao; Zhao, Bo; Yang, Tao; Mair, Alois; Schmiedmayer, Jörg; Pan, Jian-Wei |
| Title |
Experimental quantum teleportation of a two-qubit composite system |
Type |
Journal Article |
| Year |
2006 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
2 |
Issue |
10 |
Pages |
678-682 |
| Keywords |
fromIPMRAS; quantum teleportation |
| Abstract |
Quantum teleportation, a way to transfer the state of a quantum system from one location to another, is central to quantum communication and plays an important role in a number of quantum computation protocols. Previous experimental demonstrations have been implemented with single photonic or ionic qubits. However, teleportation of single qubits is insufficient for a large-scale realization of quantum communication and computation. Here, we present the experimental realization of quantum teleportation of a two-qubit composite system. In the experiment, we develop and exploit a six-photon interferometer to teleport an arbitrary polarization state of two photons. The observed teleportation fidelities for different initial states are all well beyond the state estimation limit of 0.40 for a two-qubit system. Not only does our six-photon interferometer provide an important step towards teleportation of a complex system, it will also enable future experimental investigations on a number of fundamental quantum communication and computation protocols |
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795 |
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HgCdTe detectors technical data sheet |
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Miscellaneous |
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2006 |
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HgCdTe |
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RPLAB @ s @ |
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464 |
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Hajenius, M.; Baselmans, J. J. A.; Baryshev, A.; Gao, J. R.; Klapwijk, T. M.; Kooi, J. W.; Jellema, W.; Yang, Z. Q. |
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Full characterization and analysis of a terahertz heterodyne receiver based on a NbN hot electron bolometer |
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Journal Article |
| Year |
2006 |
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J. Appl. Phys. |
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100 |
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7 |
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074507 |
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HEB |
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0021-8979 |
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385 |
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McDonald, P.C.; Jaramillo, E.; Baudouy, B. |
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Thermal design of the CFRP support struts for the spatial framework of the Herschel Space Observatory |
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Journal Article |
| Year |
2006 |
Publication |
Cryogenics |
Abbreviated Journal |
Cryogenics |
| Volume |
46 |
Issue |
4 |
Pages |
298-304 |
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0011-2275 |
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RPLAB @ s @ |
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442 |
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