Mode-locked L-band bismuth–erbium fiber laser using carbon nanotubes

Ahmad, Harith and Zulkifli, Ahmad Zarif and Muhammad, F.D. and Zulkifli, M.Z. and Thambiratnam, K. and Harun, Sulaiman Wadi (2014) Mode-locked L-band bismuth–erbium fiber laser using carbon nanotubes. Applied Physics B, 115 (3). pp. 407-412. ISSN 0946-2171, DOI

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A passively mode-locked, bismuth–erbium-co-doped fiber (Bi-EDF) with a pulse width of 460 fs is proposed and demonstrated. A highly doped, 180-cm Bi-EDF with an erbium concentration of 3,250 ppm/wt and an absorption rate of 133 dB/m at 1,530 nm serves as the gain medium. The cavity is 11.6 m long with an overall group velocity dispersion of +0.063 ps2. The output pulses have a repetition rate, average output power, pulse energy and peak power of 11.18 MHz, 5 mW, 448 pJ and 1 kW, respectively. The system has a high beam quality and a narrow pulse width output in the L-band region.

Item Type: Article
Uncontrolled Keywords: Mode-locked L-band bismuth–erbium fiber; Laser; Carbon nanotubes
Subjects: Q Science > QC Physics
Divisions: Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 26 Oct 2015 04:19
Last Modified: 20 Dec 2019 07:25

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