Upmost Efficiency Mid IR Thin HgCdTe Photodetectors
2020
A new resonant-cavity photodetector architecture, where mirrors are surrogated by grating-patterned meta-surfaces is suggested. We show by design that thus structured, sub-10 μm thick mid-IR photodetectors, with 75nm thick HgCdTe photo-absorber, can attain unsurpassable peak efficiency.
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