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A platform technology for monolithic integration called Passive Active Resonant Coupler (PARC) is utilized for vertical resonant coupling from an active to a passive waveguide over a taper. The effect of reducing the taper length on the coupling loss between the two waveguides is studied. We experimentally demonstrate that tapers as short as 40 um can be used to couple optical power between the two waveguides with 1 dB coupling loss. As the PARC uses single epitaxial growth and conventional fabrication schemes, it offers an attractive option for monolithic integration of optical devices.
© 2000 Optical Society of America
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