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Ultrasmall photonic-crystal photodetector-modulator integration provides a highly efficient alloptical functionality for high-bit-rate optical signals thanks to the high RC bandwidth. Wavelength conversion for 10-Gb/s optical signals was confirmed in a simulation and a preliminary experiment.
For large-scale, multi-partite photonic quantum information system, stable on-demand single photon sources are particularly important building blocks. A scheme to implement the source is to multiplex many heralded single photon sources of identical photon pair generators [1]. To achieve this, we must increase the integration density of the photon pair generators. Slow light enhanced nonlinearity in...
We demonstrate enhanced optical nonlinearity in a coupled-resonator optical waveguide comprised of 200 silicon photonic crystal nanocavities. We have obtained the effective nonlinear constant γ as 6,600 /W/m through the four wave mixing experiment.
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