Dual-Drive Directional Couplers for Programmable Integrated Photonics
2019 IEEE Photonics Society Summer Topical Meeting Series (SUM)（2019）
Abstract
We propose and experimentally demonstrate the use of directional couplers with an independent phase actuator on each waveguide. We show the configurations that allow the setting of the splitting ratio and the phase in a silicon-nitride platform and their applications in programable photonic integrated circuits.
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Key words
independent phase actuator,splitting ratio,silicon-nitride platform,programable photonic integrated circuits,dual drive directional couplers,Si3N4
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