Nonlinear resonance phenomena of a doped fibre laser under cavity-loss modulation: Experimental demonstrations

Ghosh, A.; Goswami, B.; Vijaya, R.
November 2010
Pramana: Journal of Physics;Nov2010, Vol. 75 Issue 5, p915
Academic Journal
Our experiments with an erbium-doped fibre ring laser (CW, single transverse mode and multiaxial mode) with an intracavity LiNbO electro-optic modulator (EOM ) display the characteristic features of a nonlinear oscillator (e.g., harmonic and period-2 sub-harmonic resonances ) when the EOM driver voltage is modulated periodically. Harmonic resonance leads to period-1 bistability and hysteresis. Inside the period-2 sub-harmonic resonance region, the laser exhibits Feigenbaum sequence and generalized bistability.


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