Conference on Lasers and Electro-Optics · 2018 · 54 citations · 0 references
EngineeringElectrical EngineeringPhysicsOpticsOptoelectronicsPhotonicsIntegrated OpticsOptical WaveguidesPhotonic Integrated CircuitsPhysical OpticsSilicon PhotonicsWave OpticsGrating LobesIntegrated Waveguide CircuitsOptical Phased ArraysPhased ArraysSiliconSilicon Waveguides
Using index-mismatched waveguides, we demonstrate the first optical phased array with half-wavelength emitter pitch. We show operation without grating lobes over an entire 180° field of view and beam formation up to 60° off-axis.