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We propose a reflective phase-only modulator formed by two layers of high-contrast grating reflectors. By arranging such optical phase modulators in a 2D array, ultra-fast Si-based phase-only spatial light modulators can be realized.
We retrieve the thermal dissipation time of τ=0.25µs and investigate the power dependent absorption in a SiN microring resonator. We estimate n2=4.3×10−19m2/W based on clear 1 GHz optical modulation of the refractive index.
We report a total third-order intermodulation distortion elimination method for analog photonics link based on integrated dual-parallel Mach-Zehnder modulator. Theoretical analysis and experiment verification of 33.57 dB suppression are both carried out.
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