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Which consequence results when excessive power reflects back into a CW laser?

A)Increased junction temperature in diode
B)Stimulated Brillouin scattering increases linearly
C)Reduced mode-locking pulse duration
D)Higher Q cavity, reduced bandwidth

💡 Explanation

Laser diodes are susceptible to damage from back reflections; therefore, the increased power deposition leads to an increase in junction temperature because of thermal runaway due to decreased resistance, rather than a beneficial operating characteristic.

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