Photon noise limited radiation detection with lens-antenna coupled Microwave Kinetic Inductance Detectors
S. J. C. Yates, J. J. A. Baselmans, A. Endo, R. M. J. Janssen, L., Ferrari, P. Diener, and A. M. Baryshev
TL;DR
This paper demonstrates photon noise limited performance in lens-antenna coupled Microwave Kinetic Inductance Detectors (MKIDs) in the sub-mm band, highlighting their potential for scalable sub-mm instrumentation.
Contribution
It is the first to show photon noise limited operation of antenna-coupled MKID arrays in the sub-mm band and relates photon noise to intrinsic detector noise.
Findings
Photon noise limited performance achieved in sub-mm MKID arrays
Optical efficiency measured at 0.8±0.2
Established relation between photon noise and intrinsic noise
Abstract
Microwave Kinetic Inductance Detectors (MKIDs) have shown great potential for sub-mm instrumentation because of the high scalability of the technology. Here we demonstrate for the first time in the sub-mm band (0.1...2 mm) a photon noise limited performance of a small antenna coupled MKID detector array and we describe the relation between photon noise and MKID intrinsic generation-recombination noise. Additionally we use the observed photon noise to measure the optical efficiency of detectors to be 0.8+-0.2.
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