Development of Superconducting On-chip Fourier Transform Spectrometers

Ritoban Basu Thakur, A. Steiger, S. Shu, F. Faramarzi, N. Klimovich, P. K. Day, E. Shirokoff, P. D. Mauskopf, P. S. Barry

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Superconducting On-chip Fourier Transform Spectrometers (SOFTS) are broadband, ultra-compact and electronic interferometers. SOFTS will enable kilo-pixel spectro-imaging focal planes, enhancing sub-millimeter astrophysics and cosmology. Particular applications include cluster astrophysics, cosmic microwave background (CMB) science, and line intensity mapping. This article details the development, design and bench-marking of radio frequency (RF) on-chip architecture of SOFTS for Ka and W-bands.

Original languageEnglish (US)
Pages (from-to)227-236
Number of pages10
JournalJournal of Low Temperature Physics
Issue number5-6
StatePublished - Jun 2023


  • CMB
  • Line Intensity Mapping
  • Nonlinear Kinetic Inductance
  • Spectrometer

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Materials Science
  • Condensed Matter Physics


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