A passively harmonically mode-locked soliton erbium-doped fiber laser with low pumping threshold using a single-walled carbon nanotubes

Rosdin, R.Z.R. and Ali, N.M. and Arof, Hamzah and Harun, Sulaiman Wadi (2015) A passively harmonically mode-locked soliton erbium-doped fiber laser with low pumping threshold using a single-walled carbon nanotubes. Microwave and Optical Technology Letters, 57 (4). pp. 799-803. ISSN 0895-2477

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/mop.289...

Abstract

We demonstrate a passively harmonically mode-locked soliton Erbium-doped fiber laser (EDFL) with low pumping threshold using single-walled carbon nanotubes (SWCNTs) embedded in poly ethylene oxide (PEO) thin film as a passive saturable absorber. The film with a thickness of 50 m was fabricated using a prepared homogeneous SWCNT solution with 0.1 loading percentage, which was mixed with a diluted PEO solution and casted onto a glass petri dish to form a thin film by evaporation technique. The film is sandwiched between two fiber connectors to construct a saturable absorber, which is then integrated in an EDFL cavity to generate a stable passive mode-locking of a soliton laser operating at 1560 nm at the 4th, 7th, and 15th harmonic of fundamental cavity frequency when the pump powers of 1480 nm laser diode are 14.9, 17.5, and 20.1 mW, respectively. The 4th harmonic pulses are characterized in detail with a repetition rate of 44.84 MHz, a transform-limited pulse width of 1.19 ps, side-mode suppression ratio of larger than 20 dB and pulse energy of 9.14 pJ. (c) 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:799-803, 2015

Item Type: Article
Additional Information: Cd4kv Times Cited:0 Cited References Count:21
Uncontrolled Keywords: Single-walled carbon nanotubes; Mode-locking; Passive saturable absorber; Saturable absorber; Composites; Conductivity
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 03 Sep 2015 01:36
Last Modified: 09 Oct 2018 04:08
URI: http://eprints.um.edu.my/id/eprint/14026

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