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← ScienceWhich 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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