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Design and Performance of SuperSpec: An On-Chip, KID-Based, mm-Wavelength Spectrometer

Shirokoff, E. and Barry, P. S. and Bradford, C. M. and Chattopadhyay, G. and Day, P. and Doyle, S. and Hailey-Dunsheath, S. and Hollister, M. I. and Kovács, A. and LeDuc, H. G. and McKenney, C. M. and Mauskopf, P. and Nguyen, H. T. and O'Brient, R. and Padin, S. and Reck, T. J. and Swenson, L. J. and Tucker, C. E. and Zmuidzinas, J. (2014) Design and Performance of SuperSpec: An On-Chip, KID-Based, mm-Wavelength Spectrometer. Journal of Low Temperature Physics, 176 (5). pp. 657-662. ISSN 0022-2291. http://resolver.caltech.edu/CaltechAUTHORS:20140225-134352590

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Abstract

SuperSpec is an ultra-compact spectrometer-on-a-chip for mm and submm wavelength astronomy. Its very small size, wide spectral bandwidth, and highly multiplexed detector readout will enable construction of powerful multi-object spectrometers for observations of galaxies at high redshift. SuperSpec is a filter bank with planar, lithographed, superconducting transmission line resonator filters and lumped-element kinetic inductance detectors made from Titanium Nitride. We have built an 81 detector prototype that operates in the 195–310 GHz band. The prototype has a wide-band metal feed horn with a transition to microstrip that feeds the filter bank. The prototype has demonstrated optical filter bank channels with a range of resolving powers from 300 to 700, measured fractional frequency noise of 10^(−17)Hz^(−1) at 1 Hz.


Item Type:Article
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URLURL TypeDescription
http://link.springer.com/article/10.1007%2Fs10909-014-1122-8PublisherArticle
http://dx.doi.org/10.1007/s10909-014-1122-8DOIArticle
http://rdcu.be/qWm2PublisherFree ReadCube access
ORCID:
AuthorORCID
Chattopadhyay, G.0000-0001-7942-5025
Additional Information:© 2014 Springer Science+Business Media New York. Received: 10 September 2013. Accepted: 28 January 2014. This project is supported by NASA Astrophysics Research and Analysis (APRA) Grant No. 399131.02.06.03.43. ES, CMM, and LJS acknowledge support from the W. M. Keck Institute for Space Studies. MIH, LJS, and TR acknowledge support from the NASA Postdoctoral Program. PSB acknowledges the continuing support from the Science and Technology Facilities Council Ph.D. studentship programme and grant programmes ST/G002711/1 and ST/J001449/1. Device fabrication was performed the JPL Microdevices Laboratory.
Group:Keck Institute for Space Studies
Funders:
Funding AgencyGrant Number
NASA399131.02.06.03.43
Keck Institute for Space Studies (KISS)UNSPECIFIED
NASA Postdoctoral ProgramUNSPECIFIED
Science and Technology Facilities Council (STFC)ST/G002711/1
Science and Technology Facilities Council (STFC)ST/J001449/1
Subject Keywords:Kinetic inductance detectors, Resonators, Millimeter-wavelength, Spectroscopy
Record Number:CaltechAUTHORS:20140225-134352590
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140225-134352590
Official Citation:Shirokoff, E., Barry, P.S., Bradford, C.M. et al. J Low Temp Phys (2014) 176: 657. doi:10.1007/s10909-014-1122-8
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:43987
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:25 Feb 2014 22:17
Last Modified:10 Apr 2017 21:22

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