Investigation of the effects of SOA locations in the linear cavity of an O-band Brillouin SOA fiber laser

• Published in: Journal of modern optics Vol. 58; no. 7; pp. 580 - 586
• Main Authors: Ahmad, H., Norizan, S.F., Zulkifli, M.Z., Pua, C.H., Ghani, Z.A., Harun, S.W.
• Format: Journal Article
• Language: English
• Published: Abingdon Taylor & Francis Group 10.04.2011; Taylor & Francis Ltd
• Subjects: Back propagation; Brillouin zone; Fiber lasers; Fiber optics; Holes; Lasers; multi-wavelength Brillouin fiber laser; O-band semiconductor optical amplifier; Placing; Pumps; Semiconductor optical amplifiers; Semiconductors; Wave division multiplexing; Wavelengths
• ISSN: 0950-0340; 1362-3044
• DOI: 10.1080/09500340.2011.554894

An investigation into the effect of semiconductor optical amplifier (SOA) location in an O-band Brillouin SOA fiber laser (BSFL) was performed. Better output peak power flatness was generated by placing the SOA after the nonlinear medium, which is a 20 km true wave fiber (TWF) than placing it before the TWF. A maximum power of six flat output peaks with average power of −22.0 dBm for a BP (Brillouin pump) wavelength of 1320 nm was obtained, generated from a BSFL with a SOA located after the TWF, compared with three flat Stokes signals with the SOA before the TWF at a BP wavelength of 1310 nm. The flat peak power output for the O-band Brillouin fiber laser is important, especially in producing a good O-band source.