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Lee, Ju-Hyun; Kim, Dong-Woo; Wu, Yung-Hsun; Yu, Chang-Jae; Lee, Sin-Doo; Wu, Shin-Tson |
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Title |
High-speed infrared phase modulators using short helical pitch ferroelectric liquid crystals |
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Journal Article |
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Year |
2005 |
Publication |
Optics Express |
Abbreviated Journal |
Opt. Express |
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Volume  |
13 |
Issue |
20 |
Pages |
7732 |
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Keywords |
IR modulator |
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1094-4087 |
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541 |
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Author |
Huebers, Heinz-Wilhelm; Pavlov, S.; Semenov, A.; Köhler, R.; Mahler, L.; Tredicucci, A.; Beere, H.; Ritchie, D.; Linfield, E. |
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Title |
Terahertz quantum cascade laser as local oscillator in a heterodyne receiver |
Type |
Journal Article |
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Year |
2005 |
Publication |
Optics Express |
Abbreviated Journal |
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Volume |
13 |
Issue |
15 |
Pages |
5890-5896 |
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Keywords |
QCL heterodyne, 6 mW at 2.5 THz, HEB mixer, terahertz |
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Abstract |
Terahertz quantum cascade lasers have been investigated with respect to their performance as a local oscillator in a heterodyne receiver. The beam profile has been measured and transformed in to a close to Gaussian profile resulting in a good matching between the field patterns of the quantum cascade laser and the antenna of a superconducting hot electron bolometric mixer. Noise temperature measurements with the hot electron bolometer and a 2.5 THz quantum cascade laser yielded the same result as with a gas laser as local oscillator. |
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627 |
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Loudkov, D.; Tong, C. Y. E.; Blundell, R.; Kaurova, N.; Grishina, E.; Voronov, B.; Gol'tsman, G. |
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Title |
An investigation of the performance of the superconducting HEB슠mixer as a function of its RF슠embedding impedance |
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Journal Article |
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Year |
2005 |
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IEEE Trans. Appl. Supercond. |
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Volume |
15 |
Issue |
2 |
Pages |
472-475 |
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Keywords |
HEB mixer |
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IEEE |
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371 |
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Datesman, A.M.; Schultz, J.C.; Lichtenberger, A.W.; Golish, D.; Walker, C.K.; Kooi, J. |
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Title |
Fabrication and characterization of niobium diffusion-cooled hot-electron bolometers on silicon nitride membranes |
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Journal Article |
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Year |
2005 |
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IEEE Trans. Appl. Supercond. |
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Volume |
15 |
Issue |
2 |
Pages |
928-931 |
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1051-8223 |
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439 |
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Koshelets, V.P.; Dmitriev, P.N.; Ermakov, A.B.; Sobolev, A.S.; Torgashin, M.Y.; Kurin, V.V.; Pankratov, A.L.; Mygind, J. |
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Title |
Optimization of the phase-locked flux-flow oscillator for the submm integrated receiver |
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Journal Article |
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Year |
2005 |
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IEEE Trans. Appl. Supercond. |
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Volume |
15 |
Issue |
2 |
Pages |
964-967 |
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SIR |
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1051-8223 |
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515 |
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