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Which degradation occurs within laser diodes, due to exceeding forward current limits?

A)Catastrophic Optical Mirror Damage (COMD)
B)Electron-hole plasma oscillations begin
C)Stimulated Brillouin Scattering (SBS)
D)Material refractive index homogenization

💡 Explanation

When increased current densities are present, leading to high optical power at the facet, **catastrophic optical mirror damage (COMD)** occurs due to localized heating disrupting the crystal lattice; therefore, this causes failure, rather than alternate effects at lower power.

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