Ultra-Low-Loss Silicon Nitride Optical Beamforming Network for Wideband Wireless Applications - Yuan Liu; Wichman, Adam R.; Isaac, Brandon; Kalkavage, Jean; Adles, Eric J.; Clark, Thomas R.; Klamkin, Jonathan (IEEE journal of selected topics in quantum electronics, 2018)
Keywords: Antenna arrays; Bandwidth; Bandwidths; Beamforming; Broadband; Delay; Delays; Dipole antennas; Genetic algorithms; Group delay; High-speed optical techniques; Integrated optics; Microwave photonics; millimeter wave communication; Millimeter waves; Nonlinear optics; Optical communication; Optical losses; optical ring resonators; Optical waveguides; phased arrays; photonic integrated circuits; Silicon nitride; Time lag; true time delays; Ultrawideband; Upconversion; Wireless networks