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We present a 30 GHz silicon photonic platform that includes low-loss passive components as well as high-speed modulators and photodetectors. The platform is available to the community as part of the OpSIS-IME MPW service.
We demonstrate high-quality (Q) factor grating-coupled silicon-on-sapphire ring resonators, operating around 4.5 µm. Total Q-factors of 151,000 and intrinsic Q-factors of 278,000 are measured, enabling applications in nonlinear wavelength generation and other areas.
Devices fabricated on 4 µm thick SOI wafers are presented. They include a router based on AWGs and SOAs, a demultiplexer based on cascaded MZIs, ring resonators, and a novel concept of MMI resonator.
In most integrated optics platforms, including silicon-on-insulator, only minor modifications in refractive index are possible. The geometry of the waveguiding structure is thus the only degree of freedom for the design of devices. The use of sub-wavelength gratings (SWGs), i.e. structures that are small enough to suppress diffraction effects, enables local engineering of both refractive index and...
A novel vertical grating coupler-based silicon photonic devices and photonic integrated circuits (PIC) have been demonstrated on CMOS-compatible SOI Platform. The monolithically PIC demonstrated 4Gb/s optical interconnection.
We developed a pin-diode silicon microring modulator that used side-wall grating waveguides. Modulator exhibits 0.28- V·cm-VπL at 25 GHz in forward-biased operation mode. We achieved 50-Gb/s operation at a driving voltage of 1.96 volts-peak-to-peak (Vpp).
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