A Mode-Locked Soliton Erbium-Doped Fiber Laser with a Single-Walled Carbon Nanotube Poly-Ethylene Oxide Film Saturable Absorber

Autor:	Sulaiman Wadi Harun, R. Z. R. R. Rosdin, Fauzan Ahmad, N.R. Zulkepely, N. M. Ali, Roslan Md Nor, Hamzah Arof
Rok vydání:	2014
Předmět:	Materials science business.industry Oxide General Physics and Astronomy Soliton (optics) Saturable absorption Carbon nanotube Evaporation (deposition) law.invention chemistry.chemical_compound Optics chemistry law Fiber laser Optoelectronics Fiber Thin film business
Zdroj:	Chinese Physics Letters. 31:094202
ISSN:	1741-3540 0256-307X
DOI:	10.1088/0256-307x/31/9/094202
Popis:	We present a simple, compact and low-cost mode-locked erbium-doped fiber laser (EDFL) using single-walled carbon nanotubes (SWCNTs) embedded in a poly-ethylene oxide (PEO) thin film as a passive saturable absorber. The film is fabricated by using a prepared homogeneous SWCNT solution, which is mixed with a diluted PEO solution and cast onto a glass Petri dish to form, by evaporation, a thin film. The 50 μm-thick film is sandwiched between two fiber connectors to construct a saturable absorber, which is then integrated in an EDFL cavity to generate self-started stable soliton pulses operating at 1560.8 nm. The soliton pulse starts to lase at a pump power threshold of 12.3 mW with a repetition rate of 11.21 MHz, a pulse width of 1.02 ps, an average output power of 0.65 mW and a pulse energy of 57.98 pJ.
Databáze:	OpenAIRE
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