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Author  |
Morozov, D. V.; Smirnov, K. V.; Smirnov, A. V.; Lyakhov, V. A.; Goltsman, G. N. | ||||
| Title | A millimeter-submillimeter phonon-cooled hot-electron bolometer mixer based on two-dimensional electron gas in an AlGaAs/GaAs heterostructure | Type | Journal Article | ||
| Year | 2005 | Publication | Semicond. | Abbreviated Journal | Semicond. |
| Volume | 39 | Issue | 9 | Pages | 1082-1086 |
| Keywords | 2D electron gas, AlGaAs/GaAs heterostructures, mixers | ||||
| Abstract | Experimental results obtained by studying the main characteristics of a millimeter-submillimeter wave mixer based on the hot-electron effect in a two-dimensional electron gas in a AlGaAs/GaAs heterostructure with a phonon-scattering cooling mechanism for charge carriers are reported. The gain bandwidth of the mixer is 4 GHz, the internal conversion losses are 13 dB, and the optimum local-oscillator power is 0.5 μW (for a mixer area of 1 μm2). It is shown that a millimeter-submillimeter-wave receiver with a noise temperature of 1900 K can be developed on the basis of a AlGaAs/GaAs mixer. This mixer also appears to be promising for use in array receiver elements. | ||||
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| ISSN | 1063-7826 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1463 | |||
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