| Records |
| Author |
Trifonov, A.; Tong, C.-Y. E.; Grimes, P.; Lobanov, Y.; Kaurova, N.; Blundell, R.; Goltsman, G. |
| Title |
Development of A Silicon Membrane-based Multi-pixel Hot Electron Bolometer Receiver |
Type |
Conference Article |
| Year |
2017 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume |
27 |
Issue |
4 |
Pages |
6 |
| Keywords |
Multi-pixel, HEB, silicon-on-insulator, horn array |
| Abstract |
We report on the development of a multi-pixel
Hot Electron Bolometer (HEB) receiver fabricated using
silicon membrane technology. The receiver comprises a
2 × 2 array of four HEB mixers, fabricated on a single
chip. The HEB mixer chip is based on a superconducting
NbN thin film deposited on top of the silicon-on-insulator
(SOI) substrate. The thicknesses of the device layer and
handling layer of the SOI substrate are 20 μm and 300 μm
respectively. The thickness of the device layer is chosen
such that it corresponds to a quarter-wave in silicon at
1.35 THz. The HEB mixer is integrated with a bow-tie
antenna structure, in turn designed for coupling to a
circular waveguide, |
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RPLAB @ kovalyuk @ |
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1111 |
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| Author |
Lobanov, Y.V.; Tong, C.-Y.E.; Hedden, A.S.; Blundell, R.; Voronov, B.M.; Gol'tsman, G.N. |
| Title |
Direct measurement of the gain and noise bandwidths of HEB mixers |
Type |
Journal Article |
| Year |
2011 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume |
21 |
Issue |
3 |
Pages |
645-648 |
| Keywords |
waveguide NbN HEB mixers |
| Abstract |
The intermediate frequency (IF) bandwidth of a hot electron bolometer (HEB) mixer is an important parameter of the mixer, in that it helps to determine its suitability for a given application. With the availability of wideband low noise amplifiers, it is simple to measure the performance of an HEB mixer over a wide range of IF at a fixed LO frequency using the standard Y-factor method. This in-situ method allows us to measure both the gain and noise bandwidths simultaneously. We have also measured mixer output impedance with a vector network analyser. Intrinsic time constant has been extracted from the impedance data and compared to the mixer's bandwidths determined from receiver Y-factor measurement. |
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RPLAB @ gujma @ |
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720 |
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Meledin, D.; Tong, C. Y.-E.; Blundell, R.; Kaurova, N.; Smirnov, K.; Voronov, B.; Gol'tsman, G. |
| Title |
Study of the IF bandwidth of NbN HEB mixers based on crystalline quartz substrate with an MgO buffer layer |
Type |
Journal Article |
| Year |
2003 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume |
13 |
Issue |
2 |
Pages |
164-167 |
| Keywords |
NbN HEB mixer |
| Abstract |
In this paper, we present the results of IF bandwidth measurements on 3-4 nm thick NbN hot electron bolometer waveguide mixers, which have been fabricated on a 200-nm thick MgO buffer layer deposited on a crystalline quartz substrate. The 3-dB IF bandwidth, measured at an LO frequency of 0.81 THz, is 3.7 GHz at the optimal bias point for low noise receiver operation. We have also made measurements of the IF dynamic impedance, which allow us to evaluate the intrinsic electron temperature relaxation time and self-heating parameters at different bias conditions. |
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341 |
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Kawamura, Jonathan; Blundell, Raymond; Tong, C.-Y. Edward; Papa, D. Cosmo; Hunter, Todd R.; Paine, Scot.t. N.; Patt, Ferdinand; Gol'tsman, Gregory; Cherednichenko, Sergei; Voronov, Boris; Gershenzon, Eugene |
| Title |
Superconductive hot-electron bolometer mixer receiver for 800 GHz operation |
Type |
Miscellaneous |
| Year |
2000 |
Publication |
IEEE Trans. Microwave Theory and Techniques |
Abbreviated Journal |
IEEE Trans. Microwave Theory and Techniques |
| Volume |
48 |
Issue |
4 |
Pages |
683-689 |
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RPLAB @ s @ Kawamura_superconductivehot-electron |
Serial |
424 |
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| Author |
Loudkov, D.; Tong, C. Y. E.; Blundell, R.; Kaurova, N.; Grishina, E.; Voronov, B.; Gol'tsman, G. |
| Title |
An investigation of the performance of the superconducting HEB슠mixer as a function of its RF슠embedding impedance |
Type |
Journal Article |
| Year |
2005 |
Publication |
IEEE Trans. Appl. Supercond. |
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| Volume |
15 |
Issue |
2 |
Pages |
472-475 |
| Keywords |
HEB mixer |
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IEEE |
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371 |
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Tong, C. Y. E.; Blundell, R.; Bumble, B.; Stern, J. A.; LeDuc, H. G. |
| Title |
Sub-Millimeter distributed quasiparticle receiver employing a non-Linear transmission line |
Type |
Conference Article |
| Year |
1996 |
Publication |
Proc. 7th Int. Symp. Space Terahertz Technol. |
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47 |
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271 |
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Tong, C. Y. E.; Blundell, R.; Paine, S.; Papa, D. C.; Kawamura, J.; Stern, J.; LeDuc, H. G. |
| Title |
Design and characterization of a 250-350 GHz fixed-tuned superconductor-insulator-insulator receiver |
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Journal Article |
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1996 |
Publication |
IEEE Trans. Microw. Theory Techn. |
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44 |
Issue |
9 |
Pages |
1548-1556 |
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273 |
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Tong, C. Y. E.; Chen, L.; Blundell, R. |
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Theory of distributed mixing and amplification in a superconductingquasi-particle nonlinear transmission line |
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Journal Article |
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1997 |
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IEEE Trans. Microw. Theory Techn. |
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45 |
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7 |
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1086-1092 |
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274 |
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Blundell, R.; Barrett, J.; H. Gibson, C. Gotteib; Hunter, T.; Kimberk, R.; Leiker, S.; Marrone, D.; Meledin, D.; Paine, S.; Papa, D. C.; Plante, R.; Riddle, P.; Smith, M.; Sridharan, T.; Tong, C. E.; Wilson, R.; Diaz, M.; Bronfman, L.; May, J.; Otarola, A.; Radford, S. J. |
| Title |
Prospects for terahertz radio astronomy from Northean Chile |
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Conference Article |
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2002 |
Publication |
Proc. 13th Int. Symp. Space Terahertz Technol. |
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159-166 |
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Cambridge, MA, USA |
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Harvard university |
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RPLAB @ s @ meledin_2p5_stability |
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327 |
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Cao, Q.; Yoon, S. F.; Tong, C. Z.; Ngo, C. Y.; Liu, C. Y.; Wang, R.; Zhao, H. X. |
| Title |
Two-state competition in 1.3 μm multilayer InAs/InGaAs quantum dot lasers |
Type |
Journal Article |
| Year |
2009 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
| Volume |
95 |
Issue |
19 |
Pages |
3 |
| Keywords |
2DEG |
| Abstract |
The competition of ground state (GS) and excited state (ES) is investigated from the as-grown and thermally annealed 1.3 μm ten-layer p-doped InAs/GaAs quantum dot (QD) lasers. The modal gain competition between GS and ES are measured and analyzed around the ES threshold characteristics. Our results show that two-state competition is more significant in devices with short cavity length operating at high temperature. By comparing the as-grown and annealed devices, we demonstrate enhanced GS and suppressed ES lasing from the QD laser annealed at 600 °C for 15 s. |
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RPLAB @ gujma @ |
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673 |
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