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High efficiency pump-enhanced difference frequency generation for mid-IR communications

From National Research Council Canada

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DOIResolve DOI: https://doi.org/10.1109/PN62551.2024.10621807
AuthorSearch for: ORCID identifier: https://orcid.org/0000-0003-4694-419X; Search for: ; Search for: ; Search for: 1ORCID identifier: https://orcid.org/0000-0003-4403-8214; Search for:
Affiliation
  1. National Research Council of Canada. Advanced Electronics and Photonics
FormatText, Article
Conference2024 Photonics North (PN), May 28-30, 2024, Vancouver, BC, Canada
Subjectdifference frequency generation; optical communication; DPSS laser; mid-infrared; satcom; micrometers; prototypes; packaging; light emitting diodes; laser excitation; mirrors; laser beams
Abstract
We report a compact difference frequency generation (DFG) intracavity structure emitting at 3.43 microns with greater than 100 mW output power. The device consists of a diode-pumped Nd:YVO 4 cavity providing the 1064 nm pump light, and a C-band EDFA signal beam coupled into the cavity via a dichroic mirror. The pump and signal are combined in a 50 mm PPLN to generate mid-infrared light via quasi phase matching. The proof of principle prototype was previously published, but we have since improved the total output power and have a more developed prototype ready for professional packaging. We also present the theory and simulation work that led to the improvements and discuss future possible optimizations using insights from the modelling.
Publication date
PublisherIEEE
In
  • 2024 Photonics North (PN), 10621807 (14 August 2024).
LanguageEnglish
Peer reviewedYes
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Record identifier57e46a25-19bd-4c2e-b31e-c0460a335642
Record created2024-10-28
Record modified2024-10-29
Date modified: