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Which limitation reduces peak power during chirped-pulse amplification?

A)Gain narrowing reduces bandwidth selectively
B)Material dispersion causes pulse broadening
C)Spatial hole burning lowers inversion
D)Self-phase modulation induces spectral broadening

💡 Explanation

Gain narrowing reduces the amplified bandwidth because it attenuates frequencies at the spectral edges during amplification, thereby limiting the supportable pulse duration. Therefore, peak power decreases, rather than alternative effects such as dispersion-induced broadening.

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