Mode-Locked and Tunable 3.5 $\mu$m Fiber Laser Using an Acousto-Optic Modulator

Ori Henderson-Sapir,Nathaniel Bawden,Antreas Theodosiou,Matthew R. Majewski,Kyriacos Kalli,Stuart D. Jackson,David J. Ottaway

Journal of Lightwave Technology（2023）

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摘要

A mode-locked, dual-wavelength pumped 3.5

$\mu$

m fiber laser using frequency shifted feedback utilizing an acousto-optic modulator is reported. Pulses of 3.8 ps with 9.7 nJ were obtained at a repetition rate of 37.75 MHz. The resulting peak power is 2.55 kW. An electronically wavelength swept, mid-IR interrogator is built to characterize a mid-IR fiber Bragg grating.

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关键词

Acoustooptic modulation,dual-wavelength pumping,erbium,FBG interrogator,frequency shifted feedback,lasers,mid-infrared,mode locked lasers,optical fiber lasers,ZBLAN

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