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The low-loss and CMOS compatible Ta2O5 based optical waveguide has been demonstrated. The quality factor of 50,000 in the Ta2O5 micro-ring resonator is fabricated. Moreover, the four-wave-mixing has been realized in the submicron Ta2O5 channel waveguide.
We experimentally characterize the intermodulation crosstalk incurred by wavelength-parallel optical signals using a silicon microring resonator electro-optic modulator. We measure corresponding bit-error-rates and record eye diagrams, observing signal integrity degradation for varying wavelength channel spacing.
First demonstration of long-haul transmission reaching bandwidth-distance product of 1-Tb-km/s, using silicon microring resonator electro-optic modulator, sets new precedence for silicon photonic applications. 12.5-Gb/s bit-error-rate and power penalty measurements confirm 80-km of feasible fiber propagation.
Error-free 12.5-Gb/s operation of silicon microring resonator electro-optic modulator is experimentally demonstrated, with bit-error-rate and power penalty performance metrics measured using system-level comparative analysis for varying modulation rates. Results show functional feasibility for photonic networks-on-chip.
We demonstrate a high-speed integrated optical link on a silicon chip using low-power silicon microresonator electro-optic modulators and low-capacitance germanium photodetectors. Integrating compact devices to provide multiple functions is essential for building scalable optical interconnects.
We demonstrate a fast integrated germanium photodetector above 40 GHz and its integration with a silicon microring resonator-based wavelength division demultiplexer.
We demonstrate microring resonators on silicon-on-insulator with bandwidth tunable from 0.1 nm to 0.7 nm, an extinction ratio of 23 dB and a footprint of less than 0.001 mm2 using interferometric couplers and thermal tuning.
We simulate an evolutionary process for designing a novel high confinement photonic structure, starting with random patterns. We show an emergence of periodicity and the formation of a novel low modal volume resonator.
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