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We propose to develop tunable, high-power handling, low-loss phase-to-amplitude conversion photonic-integrated circuit (PIC) based device on heterogeneous SiN platform. The use of SiN for waveguide is the key to meet the stringent requirements, while additional heterogeneously integrated components are the key to enable tuning and locking of the phase-to-amplitude device. Nexus Photonics, realizi ...

We propose a serially concatenated switchable asymmetric Mach Zehnder switching network on a silicon nitride photonic integrated circuit platform to provide flexible and switchable demodulation of signals from less than 1 GHz to greater than 45 GHz. The silicon nitride platform provides a low size weight and power solution while reducing the stabilization requirements and providing long path lengt ...

It has been shown that hydrophobic surfaces can reduce skin-friction drag in micro-fluidic devices. During Phase I research, we will fabricate and test a high performance durable hydrophobic surface coating created by a simple, cost-effective, and environmentally friendly method. This coating could have significant effects on skin-friction drag reduction and/or transition delay in boundary layers. ...