Ahmad H, Shahi S, Harun S W
Photonics Research Center, University of Malaya, Kuala Lumpur, Malaysia.
Opt Express. 2009 Jan 5;17(1):203-7. doi: 10.1364/oe.17.000203.
A multi-wavelength laser comb is demonstrated using a nonlinear effect in a backward pumped Bismuth-based Erbium-doped fiber (Bi-EDF) for the first time. It uses a ring cavity resonator scheme containing a 215 cm long highly nonlinear Bi-EDF, optical isolators, polarisation controller and 10 dB output coupler. The laser generates more than 10 lines of optical comb with a line spacing of approximately 0.41 nm at 1615.5 nm region using 146 mW of 1480 nm pump power.
