Photonic crystal devices

In this presentation we will discuss photonic crystal lasers and waveguide components. We have demonstrated both suspended membrane and sapphire-bonded photonic crystal microcavity lasers. These devices are optically pumped at and above room temperature. These devices are fabricated in the InGaAsP/InP, GaAs/AlGaAs, and SiO/sub 2//Si material systems. We also discuss our efforts to model the electromagnetic properties of these devices, using both finite-difference time-domain and finite element methods. Finally we report on the demonstrations of waveguide bends and branches in these photonic crystal waveguides including a photonic crystal Mach-Zehnder interferometer.