CST Utilities (CST) announced the acquisition of Daystar Directional Drilling, a provider of essential infrastructure utility drilling services across central Indiana.

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We demonstrate calibration-free 8×8 Mach-Zehnder switches with bent directional couplers on silicon nitride, featuring a low excess loss of <0.7 dB and a low crosstalk of <-17.5 dB across a 25-nm ...

This letter presents a novel 3-dB transformer-based quadrature coupler (TFQC) that is based on lumped inductors connected between the coupler ports. Compared to previously reported 3-dB TFQCs that ...