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Title: A passively mode-locked erbium-doped fiber laser based on a single-wall carbon nanotube polymer
Authors: Ahmad, F.
Harun, S. W.
Nor, R. M.
Zulkepely, N. R.
Ahmad, H.
Shum, Perry Ping
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2013
Source: Ahmad, F., Harun, S. W., Nor, R. M., Zulkepely, N. R., Ahmad, H., & Shum, P. (2013). A passively mode-locked erbium-doped fiber laser based on a single-wall carbon nanotube polymer. Chinese physics letters, 30(5), 054210-.
Series/Report no.: Chinese physics letters
Abstract: We demonstrate a simple, compact and low-cost mode-locked erbium-doped fiber laser (EDFL) using a single-wall carbon nanotube (SWCNT) poly-ethylene oxide (PEO) composite as a passive saturable absorber (SA). The composite with an SWCNT concentration of 18wt% is prepared by mixing the SWCNT homogeneous solution with a diluted PEO polymer solution. A droplet of the polymer composite is applied on the fiber ferrule end, which is then mated to another clean ferrule connector to construct an SA. The SA is then integrated into the laser system to self-start stable mode locking at 1557 nm without employing a polarization controller. The EDFL generates a stable soliton pulse train with a duration of 0.81 ps, repetition rate of 44 MHz and average output power of 92.4 μW at a 980 nm pump power of 26.8 mW. The soliton laser starts to lase at a pump power threshold of 14.6 mW.
DOI: 10.1088/0256-307X/30/5/054210
Fulltext Permission: none
Fulltext Availability: No Fulltext
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