Photon noise limited performance over an octave of bandwidth of kinetic inductance detectors for sub-millimeter astronomy

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

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

We present the development of background limited kinetic inductance detectors (KIDs) for THz astronomy applications to be used in space based observatories. The THz radiation is coupled to the KID via a leaky wave antenna covering the frequency range from 1.4 to 2.8 THz. We have developed a hybrid niobium titanium nitride/aluminium (NbTiN/Al) KID, fabricated on a silicon (Si) substrate, in which the leaky wave antenna and absorbing section of the KID are fabricated on a suspended silicon nitride (SiN) membrane. The radiation is coupled to the leaky wave antenna with a Si lens placed on top of it at a distance of 3μm. We observe photon noise limited performance both in the phase and amplitude readout simultaneously. Both the optical efficiency and the antenna beam patterns have been measured with excellent agreement with the simulations, and the measured FTS shows a large frequency range (over an octave), only limited by the optical filters placed in the setup.
Original languageEnglish
Title of host publication41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)
PublisherIEEE
Pages1-2
Number of pages2
ISBN (Electronic)978-1-4673-8485-8
ISBN (Print) 978-1-4673-8486-5
DOIs
Publication statusPublished - 1 Dec 2016
EventIRMMW-THz 2016: 41st International Conference on Infrared, Millimeter, and Terahertz Waves - Bella Center, Copenhagen, Denmark
Duration: 25 Sep 201630 Sep 2016
Conference number: 41
http://www.irmmw-thz2016.org/

Conference

ConferenceIRMMW-THz 2016
Abbreviated titleIRMMW-THz
CountryDenmark
CityCopenhagen
Period25/09/1630/09/16
Internet address

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    Bueno, J., Yurduseven, O., Yates, S. J. C., Llombart Juan, N., Murugesan, V., Thoen, D. J., Baryshev, A. M., Neto, A., & Baselmans, J. J. A. (2016). Photon noise limited performance over an octave of bandwidth of kinetic inductance detectors for sub-millimeter astronomy. In 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) (pp. 1-2). IEEE. https://doi.org/10.1109/IRMMW-THz.2016.7758429