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← ScienceWhich consequence results when back-reflections enter a high-power laser?
A)Suppression of mode-locking behavior
B)Increased pulsed duration minimum limit
C)Optical feedback instability emerges✓
D)Wavelength self-frequency shift occurs
💡 Explanation
Optical feedback instability emerges because back-reflections introduce unwanted external cavity effects affecting the population inversion dynamics, leading to chaotic power fluctuations; therefore, option C is correct, rather than mode-locking suppression, which typically requires specific cavity configurations.
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