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Graphene mode-locked Tm,Ho-codoped crystalline garnet laser producing 70-fs pulses near 21 µm

Year: 2019

Type: article

Abstract: Bilayer graphene synthesized by chemical vapor deposition is successfully applied as a saturable absorber (SA) for the passive mode-locking of a Tm,Ho:CLNGG laser at 2093nm. Near transform-limited pulses as short as 70 fs, i.e., 10 optical cycles, are produced at a 89 MHz repetition rate with 69 mW average output power. To the best of our knowledge, these are the shortest pulses ever reported from graphene-SA mode-locked Tm, or Ho-lasers in the 2 µm spectral region, including bulk and fiber lasers.

Source: RENATE

DOI: 10.34657/7600

Authors: Zhao, Yongguang, Chen, Weidong, Wang, Li, Wang, Yicheng, Pan, Zhongben, Dai, Xiaojun, Yuan, Hualei, Cai, Huaqiang, Zhang, Yan, Bae, Ji Eun, Park, Tae Gwan, Rotermund, Fabian, Loiko, Pavel, Serres, Josep Maria, Mateos, Xavier, Shen, Deyuan, Griebner, Uwe, Petrov, Valentin

Language: English

Topic: Solid State Laser Technologies

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7213622681

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