Large energy soliton erbium-doped fiber laser with a graphene-polymer composite mode locker

Large energy soliton erbium-doped fiber laser with a graphene-polymer composite mode locker

Applied Physics Letters, Vol. 95, pp.141103.

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http://www3.ntu.edu.sg/home2006/ZHAN0174/apl.pdf

Due to its unique electronic property and the Pauli blocking principle, atomic layer graphene possesses wavelength-independent ultrafast saturable absorption, which can be exploited for the ultrafast photonics application. Through chemical functionalization, a graphene-polymer nanocomposite membrane was fabricated and first used to mode lock a fiber laser. Stable mode locked solitons with 3 nJ pulse energy, 700 fs pulse width at the 1590 nm wavelength have been directly generated from the laser. We show that graphene-polymer nanocomposites could be an attractive saturable absorber for high power fiber laser mode locking.

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