Integrated Nanocavity Plasmon Light Sources for On-Chip Optical Interconnects

• DOI: 10.1021/acsphotonics.5b00476
• Publication Date: 2016-01-19T20:45:12Z
• Authors: Ke Liu; Ning Li; Devendra K. Sadana; Volker J. Sorger
• Keywords: Footprint

Next generation on-chip light sources require high modulation bandwidth, compact footprint, and efficient power consumption. Plasmon-based are able to address the footprint challenge set by both diffraction limited of internal laser physics such as plasmon utilization. However, losses, large plasmonic-momentum these hinder coupling waveguides, thus, questioning their usefulness. Here we show that can be useful devices; they deliver outcoupling waveguides surpass speeds gain-compression. We find waveguide-integrated nanocavity allow transfer about ∼60% emission into planar while sustaining a physical small ∼0.06 μm2. These provide output powers tens microwatts for microamp-low injection currents reach milliwatts higher pump rates. Moreover, direct bandwidth exceeds classical, gain compression-limited more than 200%. Furthermore, novel feature efficiencies (∼1 fJ/bit) enabled minuscule electrical capacitance photon Such strong light–matter interaction devices might redesigning photonic circuits only demand signal in future.