Widely-tunable mid-IR frequency comb source based on difference\n frequency generation

2012/03/12 by Axel Ruehl, Alessio Gambetta, Ruehl, Axel +9
Engineering · Physics and Astronomy · #Advanced Fiber Laser Technologies #Advanced Fiber Optic Sensors #FOS: Physical sciences #Optics (physics.optics) #Photonic and Optical Devices

paper · pdf · doi:10.48550/arxiv.1203.2441

openalex publication_date 2012/03/12 · openalex created_date 2022/09/04 · openalex updated_date 2026/07/28

Abstract

We report on a mid-infrared frequency comb source of unprecedented tunability\ncovering the entire 3-10 \μm molecular fingerprint region. The system is\nbased on difference frequency generation in a GaSe crystal pumped by a 151 MHz\nYb:fiber frequency comb. The process was seeded with Raman shifted solitons\ngenerated in a highly nonlinear suspended-core fiber with the same source.\nAverage powers up to 1.5 mW were achieved at 4.7 \μm wavelength.\n

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