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Kilohertz linewidth from frequency-stabilized mid-infrared quantum cascade lasers.

PubMed
Authors: Williams RM, Kelly JF, Hartman JS, Sharpe SW, Taubman MS, Hall JL, Capasso F, Gmachl C, Sivco DL, Baillargeon JN, Cho AY

Year

1999

Paper ID

13342

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

66

Citations

123

Abstract

Frequency stabilization of mid-IR quantum cascade (QC) lasers to the kilohertz level has been accomplished by use of electronic servo techniques. With this active feedback, an 8.5-microm QC distributed-feedback laser is locked to the side of a rovibrational resonance of nitrous oxide (N(2) O) at 1176.61cm (-1) . A stabilized frequency-noise spectral density of 42Hz/ radicalHz has been measured at 100 kHz; the calculated laser linewidth is 12 kHz.

Why This Paper Matters

  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 1999 reference point for readers tracking recent quantum research.
  • Frequency stabilization of mid-IR quantum cascade (QC) lasers to the kilohertz level has been accomplished by use of electronic servo techniques.

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References & Citation Signals

[1] DOI https://doi.org/10.1364/ol.24.001844 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/18079950/

Local Citation Graph (Related-Paper Links)

Current Paper #13342 #68465 Bounding Eigenstate Overlap fro... #68440 Classical State Preparation for... #68437 Transition-state lattice modes ... #68423 Selective Fermi-Level Pinning: ...

External citation index: OpenAlex citation signal • updated 2026-06-10 23:41:24

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