dr. K. Karatsu

Postdoc
Terahertz Sensing (THZ), Department of Microelectronics

Themes: Experimental Astronomy

Publications

  1. DESHIMA on ASTE: On-Sky Responsivity Calibration of the Integrated Superconducting Spectrometer
    K. Karatsu; J.J.A. Baselmans; S. Bosma; J. Bueno; S. Ikarashi; N. Llombart; Pascual Laguna, A.; D. J. Thoen; P.J. de Visser; O. Yurduseven; A. Endo; et al.;
    J. Low Temp. Phys.,
    2020.
    document

  2. Experimental Validation of the Beam Pattern of a Wide Band Quasi-Optical System for DESHIMA Spectrometer
    Shahab Oddin Dabironezare; Kenichi Karatsu; Stephen Yates; Vignesh Murugesan; David Thoen; Jochem Baselmans; Nuria LLombart;
    In 14th European Conference on Antennas and Propagation (EuCAP),
    Copenhagen, Denmark, March 2020.

  3. Wideband Superconducting Integrated Filter-bank for THz Astronomy
    Pascual Laguna, A.; Karatsu, K.; Thoen, D.J.; Murugesan, V.; Endo, A.; Baselmans, J.J.A.;
    In 14th European Conference on Antennas and Propagation (EuCAP),
    Copenhagen, Denmark, March 2020.

  4. Filter-bank for Broadband Sub-mm Wave Superconducting On-chip Spectrometers
    Pascual Laguna, A.; Karatsu, K.; Thoen, D. J.; Murugesan, V.; Endo, A.; Baselmans, J. J. A.;
    In SPIE Astronomical Telescopes + Instrumentation,
    Yokohama, Japan, 2020.

  5. Combining UV-and Electron beam lithography for superconducting bandpass filters in mm/sub-mm astronomy
    Thoen, D.J.; Murugesan, V.; Karatsu, K.; Pascual Laguna, A.; Endo, A.; Baselmans,J.J.A.;
    In SPIE Astronomical Telescopes + Instrumentation,
    Yokohama, Japan, 2020.

  6. Broadband Quasi-Optical System for On-chip Filter-bank Spectrometer Operating at Sub-mm Wavelengths
    Dabironezare, S.O.; Karatsu, K.; Yates, S.J.C.; Pascual Laguna, A.; Murugesan, V.; Thoen, D.J.; Endo, A.; Baselmans, J.J.A.; Llombart, N.;
    In SPIE Astronomical Telescopes + Instrumentation,
    Yokohama, Japan, 2020.

  7. DESHIMA on ASTE: on-sky performance and upgrade to ultra wideband
    A. Endo; K. Karatsu; Y. Tamura; S. Bosma; B. Buijtendorp; J. Bueno; S.O. Dabironezare; S. Hähnle; E. Huijten; S. Ikarashi; N. Llombart; Pascual Laguna, A.; D.J. Thoen; P.J. de Visser; and O. Yurduseven; J.J.A.;
    In SPIE Astronomical Telescopes + Instrumentation,
    Yokohama, Japan, 2020.

  8. Wideband on-chip terahertz spectrometer based on a superconducting filterbank
    Endo, A.; K. Karatsu; Pascual Laguna, A.; D.J. Thoen ; J. Bueno; N. van Marrewijk; S. Bosma; O. Yurduseven; N. Llombart; P.J. de Visser; J.J.A. Baselmans; et al.;
    J. Astron. Telesc. Instrum. Syst.,
    Volume 5, Issue 3, pp. 35004-(1-12), 2019.
    document

  9. First light demonstration of the integrated superconducting spectrometer
    A. Endo; K. Karatsu; S. Bosma; J. Bueno; S. Ikarashi; N. Llombart; Pascual Laguna, A.; D.J. Thoen; P.J. de Visser; O. Yurduseven; J.J.A. Baselmans; et al.;
    Nat. Astron.,
    Volume 3, pp. 989-996, 2019.
    document

  10. Wideband Sub-mm Wave Superconducting Integrated Filter-bank Spectrometer
    Pascual Laguna, A.; K. Karatsu; A. Neto; A. Endo; J. J. A. Baselmans;
    In 44th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW THz-2019),
    Paris, France, Sep. 2019.

  11. Designing a Gas Cell Experiment for the Calibration of DESHIMA
    Z. Zhang; K. Karatsu; S. O. Dabironezare; D. Thoen; B. Brandl; J. Baselmans;
    In 18th International Workshop on Low Temperature Detectors (LTD-18),
    Milan, Italy, July 2019.

  12. On the Design of Wideband Sub-mm Wave Superconducting Integrated Filter-bank Spectrometers
    Pascual Laguna, A.; Karatsu, K.; Neto, A.; Endo, A.; Baselmans, J. J. A.;
    In 18th International Workshop on Low Temperature Detectors,
    Milan, Italy, 2019.

  13. DESHIMA on ASTE: First astronomical light captured with an integrated superconducting spectrometer
    A. Endo; K. Karatsu; S. Bosma; J. Bueno; and S. Ikarashi; N. Llombart; Pascual Laguna, A.; D.J. Thoen; P.J. de Visser; O. Yurduseven; J.J.A. Baselmans; et al.;
    In 18th International Workshop on Low Temperature Detectors,
    Milan, Italy, 2019.

  14. Superconducting submicron-CPW resonators for on-chip THz filterbank
    Naruse, M.; Karatsu, K.; Pascual Laguna, A.; Yurduseven, O.; Thoen, D. J.; Murugesan, V.; Baselmans, J. J. A.;
    In 31st International Symposium on Superconductivity (ISS 2018),
    Tsukuba, Japan, 2018.

  15. A kilo-pixel imaging system for future space based far-infrared observatories using microwave kinetic inductance detectors
    J.J.A. Baselmans; J. Bueno; S.J.C. Yates; O. Yurduseven N. Llombart K. Karatsu; A.M. Baryshev L. Ferrari; A. Endo; D.J. Thoen; et al;
    arXiv preprint,
    2017. DOI: 10.1051/0004-6361/201629653
    document

  16. Development of ’DESHIMA’ on ASTE: towards a field test of a submillimeter wave superconducting on-chip filterbank spectrometer based on kinetic inductance detectors
    A. Endo; D. Thoen; K. Karatsu; N. van Marrewijk; S. Bosma; O. Yurduseven; N. Llombart; M. Naruse; N. Tomita; J. Suzuki; A. Taniguchi; K. Kohno; S. Ishii; J. Maekawa; R. Kawabe; T. Oshima; K. Chin; Y. Tamu;
    In 17th International Workshop on Low Temperature Detectors (LTD),
    Kurumu, Japan, July 2017.

  17. Development of Microwave Kinetic Inductance Detector for Cosmological Observations
    K. Karatsu; S. Mima; S. Oguri; et al;
    IEICE Transactions on Electronics,
    Volume E98-C, Issue 3, pp. 207-218, March 2015.
    document

  18. Development of Frequency Sweeping Readout System for Microwave Kinetic Inductance Detectors
    K. Karatsu; et al;
    In The International Workshop on Low Temperature Detectors (LTD),
    Grenoble, France, July 2015.

  19. Radiation Tolerance of Al Microwave Kinetic Inductance Detector
    K. Karatsu; et al;
    In The International Workshop on Low Temperature Detectors (LTD),
    Grenoble, France, July 2015.

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Last updated: 25 Jun 2019