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Time and frequency -Domain Interpretation of Phase-lag Control01:21

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Frequency-Domain Multiplexing Readout with a Self-Trigger System for Pulse Signals from Kinetic Inductance Detectors.

Y Yamada1, H Ishino1, A Kibayashi1

  • 11Department of Physics, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama Japan.

Journal of Low Temperature Physics
|March 7, 2019
PubMed
Summary
This summary is machine-generated.

We developed a new readout system for kinetic inductance detectors (KIDs) that uses a self-trigger to efficiently process fast pulse signals. This system reduces data rates, enabling simultaneous readout of multiple detector channels for applications like X-ray detection.

Keywords:
Frequency-domain multiplexing readoutKinetic inductance detectorsPhonon detectionSelf-trigger system

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Area of Science:

  • Superconducting detector technology
  • Microwave frequency electronics
  • Particle detection instrumentation

Background:

  • Kinetic Inductance Detectors (KIDs) utilize superconducting resonators for sensitive energy detection.
  • Traditional readout systems face bandwidth limitations with fast pulse signals from KIDs.
  • Efficient data acquisition is crucial for applications involving short time-constant signals.

Purpose of the Study:

  • To develop an advanced frequency-domain multiplexing readout system for KIDs.
  • To implement a self-triggering mechanism for efficient pulse signal extraction.
  • To reduce the overall data rate for high-sampling-rate applications.

Main Methods:

  • Utilized an array of superconducting resonators with distinct resonant frequencies for frequency-domain multiplexing.
  • Employed a microwave-frequency comb for simultaneous readout of multiple channels via a single wire.
  • Integrated a self-trigger system on a Field-Programmable Gate Array (FPGA) board to manage data flow.
  • Tested the system using alpha particle irradiation from Americium-241 on aluminum KIDs fabricated on a silicon substrate.

Main Results:

  • Successfully demonstrated simultaneous readout of pulse signals from 15 individual KID resonators.
  • Achieved an event rate of approximately 10 Hz, indicating efficient data processing.
  • The self-trigger system effectively reduced the data rate, overcoming bandwidth limitations.
  • Verified the system's capability to detect and process pulse signals from energy deposition events.

Conclusions:

  • The developed KID readout system with a self-trigger is effective for handling fast pulse signals.
  • This technology offers a solution for high data rate challenges in sensitive detector applications.
  • The system enables efficient, multi-channel readout, advancing superconducting detector instrumentation.