Graphene mode-locked Tm,Ho-codoped crystalline garnet laser producing 70-fs pulses near 21 µm
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Date
2019
Volume
2
Issue
9
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Publisher
Washington, DC : OSA
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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.
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Keywords
Chemical vapor deposition, Fiber lasers, Graphene, Passive mode locking, Pulse repetition rate, Saturable absorbers, Average output power, Bilayer Graphene, Garnet lasers, Mode-locked, Optical cycles, Repetition rate, Spectral region, Transform-limited pulse, Mode-locked fiber lasers
Citation
Zhao, Y., Chen, W., Wang, L., Wang, Y., Pan, Z., Dai, X., et al. (2019). Graphene mode-locked Tm,Ho-codoped crystalline garnet laser producing 70-fs pulses near 21 µm. 2(9). https://doi.org//10.1364/OSAC.2.002593
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