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A novel phase-shifted optical analog-to-digital converter using cascaded step-size MMI as quantization module is demonstrated. The cascaded MMI on SOI has a compact footprint of 7.5×100 μm2 and ultra-low insertion loss of 0.2dB.
A approach of using high performance Ge photo-detectors (PD) integrated with Si waveguide based microresonators for multiplexing detection has been proposed. Simultaneous measurement of the resonance curves of sensor array using this approach has been demonstrated. The resonance peaks of integrated sensor array show good correlation (R2=0.9979) with that of normal resonator, proving the feasibility...
In this paper, we experimentally demonstrate continuously tunable pulse propagation in SOI microring resonators with mutual mode coupling, which is induced by nanosized gratings along the ring sidewalls. In the presence of the mutual mode coupling, dispersion-induced group delay is investigated in single-waveguide and double-waveguide coupled single-ring resonators, respectively. In particular, pulse...
We demonstrated the highest electro-optic (EO) coefficient with the highest poling efficiency (~100%) in actual modulator devices. This breakthrough was accomplished with contact poling of a crosslinkable EO polymer with an electrically conductive sol-gel cladding.
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