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Phase-locking THz QC-VECSEL local oscillators using diode mixers and sources

  • Christopher A. Curwen
  • , Alain Maestrini
  • , Anthony Kim
  • , Sadhvikas J. Addamane
  • , John L. Reno
  • , Boris S. Karasik
  • , Benjamin S. Williams
  • , Jonathan H. Kawamura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The output frequency and phase of an external cavity quantum-cascade laser is phase-locked to an RF reference via two techniques: 1) down conversion with a diode harmonic mixer and locking to 100 MHz reference using the laser as a voltage tunable oscillator, and 2) directly injection locking the laser using the output of a 2.5 THz diode frequency multiplier source.
Original languageEnglish
Title of host publication32nd International Symposium of Space Terahertz Technology, ISSTT 2022
StatePublished - Jan 1 2022
Externally publishedYes

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