A 4.7THz heterodyne receiver for a balloon borne telescope

D. J. Hayton, J. L. Kloosterman, Y. Ren, T. Y. Kao, J. R. Gao, T. M. Klapwijk, Q. Hu, C. K. Walker, J. L. Reno

Research output: Chapter in Book/Report/Conference proceedingConference contribution

14 Scopus citations

Abstract

We report on the performance of a high sensitivity 4.7 THz heterodyne receiver based on a NbN hot electron bolometer mixer and a quantum cascade laser (QCL) as local oscillator. The receiver is developed to observe the astronomically important neutral atomic oxygen [OI] line at 4.7448 THz on a balloon based telescope. The single-line frequency control and improved beam pattern of QCL have taken advantage of a third-order distributed feedback structure. We measured a double sideband receiver noise temperature (Trec(DSB)) of 815 K, which is ∼ 7 times the quantum noise limit (hÎ1/2/2kB). An Allan time of 15 s at an effective noise fluctuation bandwidth of 18 MHz is demonstrated. Heterodyne performance was further supported by a measured methanol line spectrum around 4.7 THz.

Original languageEnglish (US)
Title of host publicationMillimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII
EditorsJonas Zmuidzinas, Wayne S. Holland
PublisherSPIE
ISBN (Electronic)9780819496218
DOIs
StatePublished - Jan 1 2014
EventMillimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII - Montreal, Canada
Duration: Jun 24 2014Jun 27 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9153
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherMillimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII
CountryCanada
CityMontreal
Period6/24/146/27/14

Keywords

  • Heterodyne
  • Terahertz
  • astronomy
  • hot electron bolometer
  • quantum cascade laser

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • Cite this

    Hayton, D. J., Kloosterman, J. L., Ren, Y., Kao, T. Y., Gao, J. R., Klapwijk, T. M., Hu, Q., Walker, C. K., & Reno, J. L. (2014). A 4.7THz heterodyne receiver for a balloon borne telescope. In J. Zmuidzinas, & W. S. Holland (Eds.), Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII [91531R] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9153). SPIE. https://doi.org/10.1117/12.2055790