Multi-wavelength ytterbium doped fiber laser based on longitudinal mode interference

Multi-wavelength ytterbium doped fiber laser based on longitudinal mode interference

Multi-wavelength Ytterbium-doped fiber laser (YDFL) is demonstrated using a longitudinal mode interference assisted by a four-wave mixing (FWM) effect in a ring laser cavity. The gain medium is a 16 m long of the fabricated (Ytterbium-doped fiber) YDF, which has a core composition of 0.8 wt % of Yb...

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Bibliographic Details
Main Authors: Shahabuddin, Nurul Shahrizan, Ismail, Mohd Afiq, Paul, Mukul Chandra, Damanhuri, Siti Sarah Ahmad, Harun, Sulaiman Wadi, Ahmad, Harith, Pal, Mrinmay, Bhadra, Shyamal Kumar
Format: Article
Published: IOP Publishing 2012
Subjects:
QC Physics
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.um.edu.my/19889/
https://doi.org/10.1134/S1054660X12010173
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Institution: Universiti Malaya
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Summary:Multi-wavelength Ytterbium-doped fiber laser (YDFL) is demonstrated using a longitudinal mode interference assisted by a four-wave mixing (FWM) effect in a ring laser cavity. The gain medium is a 16 m long of the fabricated (Ytterbium-doped fiber) YDF, which has a core composition of 0.8 wt % of Yb 2O 3, 1.8 wt % of Al 2O 3 and 23 wt % of GeO 2, Ytterbium ion fluorescence lifetime of 1.1 ms and absorption of 9.0 dB/m at the pump wavelength of 976 nm. 20 m long photonic crystal fiber (PCF) is used to provide FWM effect so that the energy of different oscillating lines can be redistributed to improve multi-wavelength operation. The proposed laser generates 12 lines of optical comb with a line spacing of approximately 0.59 nm at 1035 nm region.

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