Optical Response of Strained- and Unstrained-Silicon Cold-Electron Bolometers

T. L R Brien, P. A R Ade, P. S. Barry, C. J. Dunscombe, D. R. Leadley, D. V. Morozov, M. Myronov, E. H C Parker, M. J. Prest, M. Prunnila, R. V. Sudiwala, T. E. Whall, Philip Mauskopf

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We describe the optical characterisation of two silicon cold-electron bolometers each consisting of a small ((Formula presented.)) island of degenerately doped silicon with superconducting aluminium contacts. Radiation is coupled into the silicon absorber with a twin-slot antenna designed to couple to 160-GHz radiation through a silicon lens. The first device has a highly doped silicon absorber, the second has a highly doped strained-silicon absorber. Using a novel method of cross-correlating the outputs from two parallel amplifiers, we measure noise-equivalent powers of (Formula presented.) and (Formula presented.) for the control and strained device, respectively, when observing radiation from a 77-K source. In the case of the strained device, the noise-equivalent power is limited by the photon noise.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalJournal of Low Temperature Physics
DOIs
StateAccepted/In press - Mar 9 2016

Fingerprint

Bolometers
bolometers
Silicon
Electrons
silicon
absorbers
electrons
Radiation
radiation
Slot antennas
slot antennas
Aluminum
control equipment
Lenses
Photons
amplifiers
lenses
aluminum
output
photons

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)

Cite this

Brien, T. L. R., Ade, P. A. R., Barry, P. S., Dunscombe, C. J., Leadley, D. R., Morozov, D. V., ... Mauskopf, P. (Accepted/In press). Optical Response of Strained- and Unstrained-Silicon Cold-Electron Bolometers. Journal of Low Temperature Physics, 1-7. https://doi.org/10.1007/s10909-016-1569-x

Optical Response of Strained- and Unstrained-Silicon Cold-Electron Bolometers. / Brien, T. L R; Ade, P. A R; Barry, P. S.; Dunscombe, C. J.; Leadley, D. R.; Morozov, D. V.; Myronov, M.; Parker, E. H C; Prest, M. J.; Prunnila, M.; Sudiwala, R. V.; Whall, T. E.; Mauskopf, Philip.

In: Journal of Low Temperature Physics, 09.03.2016, p. 1-7.

Research output: Contribution to journalArticle

Brien, TLR, Ade, PAR, Barry, PS, Dunscombe, CJ, Leadley, DR, Morozov, DV, Myronov, M, Parker, EHC, Prest, MJ, Prunnila, M, Sudiwala, RV, Whall, TE & Mauskopf, P 2016, 'Optical Response of Strained- and Unstrained-Silicon Cold-Electron Bolometers', Journal of Low Temperature Physics, pp. 1-7. https://doi.org/10.1007/s10909-016-1569-x
Brien, T. L R ; Ade, P. A R ; Barry, P. S. ; Dunscombe, C. J. ; Leadley, D. R. ; Morozov, D. V. ; Myronov, M. ; Parker, E. H C ; Prest, M. J. ; Prunnila, M. ; Sudiwala, R. V. ; Whall, T. E. ; Mauskopf, Philip. / Optical Response of Strained- and Unstrained-Silicon Cold-Electron Bolometers. In: Journal of Low Temperature Physics. 2016 ; pp. 1-7.
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