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Technologies are described for integrating multiple bandgaps and photonic crystal structures monolithically in a semiconductor chip. Practical devices examples include high power 980 nm pumps, 2×2 crosspoint switches and lasers modelocked at THz frequencies.
Technologies are described for integrating multiple bandgaps and photonic crystal structures monolithically in a semiconductor chip. Practical devices include high power 980 nm pumps, 2 × 2 crosspoint switches and lasers modelocked at THz frequencies.