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Title: Broadband parametric amplifiers based on nonlinear kinetic inductance artificial transmission lines

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4980102· OSTI ID:1360761
 [1];  [2]; ORCiD logo [3];  [4]; ORCiD logo [5];  [5];  [5];  [5]
  1. Stanford Univ., CA (United States). Dept. of Physics
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Stanford Univ., CA (United States). Dept. of Physics; SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Univ. of California, Santa Barbara, CA (United States). Dept. of Physics
  5. National Inst. of Standards and Technology (NIST), Boulder, CO (United States)

Here, we present broadband parametric amplifiers based on the kinetic inductance of superconducting NbTiN thin films in an artificial (lumped-element) transmission line architecture. We demonstrate two amplifier designs implementing different phase matching techniques: periodic impedance loading and resonator phase shifters placed periodically along the transmission line. Our design offers several advantages over previous CPW-based amplifiers, including intrinsic 50 Ω characteristic impedance, natural suppression of higher pump harmonics, lower required pump power, and shorter total trace length. Experimental realizations of both versions of the amplifiers are demonstrated. In conclusion, with a transmission line length of 20 cm, we have achieved gains of 15 dB over several GHz of bandwidth.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE; National Aeronautics and Space Administration (NASA)
Grant/Contract Number:
AC02-76SF00515; NNH12ZDA001N; NNX14AM48H
OSTI ID:
1360761
Journal Information:
Applied Physics Letters, Vol. 110, Issue 15; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 37 works
Citation information provided by
Web of Science

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Cited By (11)

Ultra-broadband Optical Gain Engineering in Solution-processed QD-SOA Based on Superimposed Quantum Structure journal September 2019
Kinetic inductance traveling-wave amplifiers for multiplexed qubit readout journal December 2018
Frequency-tunable high- Q superconducting resonators via wireless control of nonlinear kinetic inductance journal May 2019
Wide-band parametric amplifier readout and resolution of optical microwave kinetic inductance detectors journal July 2019
Loss and saturation in superconducting travelling-wave parametric amplifiers journal July 2019
Fabrication and Characterization of Aluminum SQUID Transmission Lines journal December 2019
Josephson Array-Mode Parametric Amplifier journal February 2020
Nanowire Superinductance Fluxonium Qubit journal January 2019
Kinetic Inductance Traveling Wave Amplifiers For Multiplexed Qubit Readout text January 2018
Wide-band Parametric Amplifier Readout and Resolution of Optical Microwave Kinetic Inductance Detectors text January 2019
Josephson Array Mode Parametric Amplifier text January 2019