학술논문

Tight-Locking Mid-Infrared Quantum Cascade Frequency Combs by Near-Infrared Light Injection
Document Type
Conference
Source
2023 Conference on Lasers and Electro-Optics (CLEO) Lasers and Electro-Optics (CLEO), 2023 Conference on. :1-2 May, 2023
Subject
Photonics and Electrooptics
Optical filters
Spectroscopy
Frequency modulation
Semiconductor lasers
Laser stability
Lasers and electrooptics
Quantum cascade lasers
Language
Abstract
We demonstrate the tight-lock of a mid-infrared quantum cascade laser frequency comb by near-infrared light modulation. Our result, improved mutual coherence compared to drive-current modulation alone, is pertinent for highly-sensitive dual-comb spectroscopy.