Abstract
Summary from only given. Recently it has been realized that photonic dispersion away and near the PBG regime exhibits many interesting optical properties. In particular, its an-isotropic, nonlinear and birefringent property can all be tailored through nano-structure engineering. This design flexibility is a very attractive feature for realizing integrated optical and optoelectronic chip. In this talk, examples of such a new class of photonic devices will be described. Near a photonic band edge, the frequency-wavevector dispersion is very nonlinear, which can lead to a highly dispersive prism. The slow down in speed-of-light at the band edge may enhance material absorption by order-of-magnitude. Interesting application of this effect on light-emitting devices and inter-subband based devices will be discussed. In the allowed band spectral regime, there exists a large birefringent effect, yielding an efficient and compact polarizer and rotator.
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