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← ScienceWhich outcome increases drastically when exceeding gain saturation within a pulsed laser amplifier?
A)Amplified spontaneous emission spikes✓
B)Pulse duration consistently widens
C)Peak power compresses nonlinearly
D)Linewidth narrowing increases steadily
💡 Explanation
Amplified spontaneous emission (ASE) increases abruptly because population inversion clamping during gain saturation causes stimulated emission rate reduction, therefore ASE dominates early gain stages, rather than stable pulse amplification that requires unsaturated amplification throughout the medium.
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