Full characterisation of a background limited antenna coupled KID over an octave of bandwidth for THz radiation

J. Bueno*, O. Yurduseven, S.J.C. Yates, N. Llombart, V. Murugesan, D.J. Thoen, A.M. Baryshev, A. Neto, J.J.A. Baselmans

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)
34 Downloads (Pure)

Abstract

We present the design, fabrication, and full characterisation (sensitivity, beam pattern, and frequency response) of a background limited broadband antenna coupled kinetic inductance detector covering the frequency range from 1.4 to 2.8 THz. This device shows photon noise limited performance with a noise equivalent power of 2.5 × 10-19W/Hz1/2 at 1.55 THz and can be easily scaled to a kilo-pixel array. The measured optical efficiency, beam pattern, and antenna frequency response match very well the simulations.

Original languageEnglish
Article number233503
JournalApplied Physics Letters
Volume110
Issue number23
DOIs
Publication statusPublished - 2017

Keywords

  • Antennas
  • Etching
  • Electromagnettic radiation detectors
  • Machinery noise
  • Optical resonators

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