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Ultrashort-pulse erbium-doped fibre laser using a saturable absorber based on single-wall carbon nanotubes synthesised by the arc-discharge method

Tausenev, A V and Obraztsova, E D and Lobach, A S and Konov, V I and Konyashchenko, A V and Kryukov, P G and Dianov, E M (2007) Ultrashort-pulse erbium-doped fibre laser using a saturable absorber based on single-wall carbon nanotubes synthesised by the arc-discharge method. Quantum Electronics, 37 (9). pp. 847-852.

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Official URL: http://stacks.iop.org/1063-7818/37/847

Abstract

An erbium-doped fibre laser operating in self-mode-locked regime achieved with the help of a saturable absorber based on single-wall carbon nanotubes synthesised by the arc-discharge method is fabricated and studied. Due to the development of an original method for preparing samples, films of the optical quality containing individual single-wall carbon nanotubes were synthesised. The study of the dependence of resonance absorption at a wavelength of 1.5 mm on the laser radiation intensity transmitted through a film showed that these films have nonlinear transmission and can be used in fibre lasers as saturable absorbers to provide self-mode locking. Stable transform-limited pulses having the shape of optical solitons were generated at a wavelength of 1557.5 nm in the laser with a ring resonator. The pulse duration was 1.13 ps at a pulse repetition rate of 20.5 MHz. The continuous output power achieved 1.1 mW upon pumping by a 25-mW laser diode at 980 nm.

Item Type:Article
ID Code:5290
Deposited By:Prof. Alexey Ivanov
Deposited On:06 Aug 2009 11:24
Last Modified:06 Aug 2009 11:32

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