Abstract
A straight-shape Si-silica waveguide delay-line interferometer and Ge photodetectros(PD) are monolithically integrated for a DPSK demodulator. The device with a foot-print of 0.49 mm2 and a fiber-to-PD responsitivity of 0.29 A/W successfully demodulates 25-Gbit/s-DPSK signals.
© 2014 Optical Society of America
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