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Narrow core standard single mode fiber for supercontinuum generation from graphene-based mode-locked pulses

Syed Husin, Sharifah Aloyah and Muhammad, Farah Diyana and Norizan, Siti Fatimah and Abdul Latif, Amirah and Awang, Noor Azura and Zulkifli, Mohd Zamani (2018) Narrow core standard single mode fiber for supercontinuum generation from graphene-based mode-locked pulses. Optik, 172. pp. 347-352. ISSN 0030-4026

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Abstract

In this work, a supercontinuum (SC) source is proposed and demonstrated using a highly-doped, 2 m long zirconia-erbium doped fiber (Zr-EDF) with a dopant concentration of 3800 ppm/wt and a narrow core 100 m long single-mode-fiber (SMF). A graphene based saturable absorber (SA) is used as a passive mode-locker, generating pulses with an average output power, pulse energy and peak power of ∼0.9 mW, ∼69.8 pJ and ∼83 W respectively and a repetition rate of 12.9 MHz. This is then amplified using a 140 mW amplifier, giving an output power, pulse energy and peak power of ∼75.0 mW, 5.8 nJ and ∼6.76 kW respectively and injected into a 100 m long SMF, to generate an SC output which spans from 1450 to more than 1700 nm, with a pulse width at its full-width-at-half-maximum (FWHM) of 120 fs, 7 times lower than the 840 fs FWHM width of the pulses from the fiber laser. The narrow core SMF performs comparably to longer lengths of standard SMF-28 fibers.

Item Type: Article (Journal)
Additional Information: 7105/66230
Uncontrolled Keywords: Supercontinuum, narrow core single mode fiber, Graphene, Mode-locked fiber laser, Zirconia-based erbium-doped fiber
Subjects: Q Science > Q Science (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science
Depositing User: Mrs Siti Fatimah Norizan
Date Deposited: 07 Jan 2019 08:44
Last Modified: 14 Oct 2019 09:21
URI: http://irep.iium.edu.my/id/eprint/66230

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