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We review our recent progress on silicon photonic switches based on electro-optic MZI and dual-ring assisted MZI switch elements. Phase error corrections are performed using thermal tuning to set the initial switching state.
We report our recent progress on large-scale integrated silicon optical routers and buffers. The optical router is made of a 16×16 switch fabric with low loss and loss crosstalk. The optical buffer can provide nanosecond-range continuous delay tuning.
Microring resonators are basic building blocks for a variety of functions such as modulators, switches, buffers, and filters. Active tuning of resonators and external coupling are widely used to change the resonance properties. In this lecture, we will present the basic elementary switch devices and the NxN switching fabric made of various types of silicon active microring resonators. An elementary...
We report a 4×4 silicon switch based on a double layer network architecture by cascading three stages of electrically tunable Mach-Zehnder interferometers (MZIs). Preliminary experiment reveals that the switch has on-chip insertion loss less than 4 dB and crosstalk lower than −30 dB.
We demonstrate a 4 ×4 silicon switch using double-ring assisted Mach-Zehnder interferometers. The maximum electro-optic switching power consumption is 1.38 mW, with phase correction power consumption 22.37 mW. The on-chip insertion loss is <5.8 dB and crosstalk <-18 dB.
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