Light sources with ultra-low energy consumption and high performance are required to realize optical interconnects for on-chip communication. Photonic crystal (PhC) nanocavity lasers one of the most promising candidates fill this role. In work, we demonstrate an electrically-driven PhC nanolaser threshold current 10.2 {\mu}A emitting at 1540 nm operated room temperature. The InP-based bonded on...

Optical antennas play an important role in optical field manipulation. Among them, nanoscale bowtie have been extensively studied for its high confinement and enhancement. In this mini-review, we start with a brief introduction of underlying physics. Then review the applications respect to optically electrically excited antennas. Optically driven enable set such as near-field imaging/trapping, ...