A new scheme of photodetector monolithically integrated with semiconductor optical amplifier (SOA) has been demonstrated. Optical-to-electrical frequency response of 30GHz was obtained with an optical gain of >8dB from SOA, leading to >0.6 A/W responsivities.
Broadband and high polarization-extinction ratio (PER) superluminescent diode integrated with Si photonics platform has been demonstrated. The light was transferred into grating coupler by reflection mirror, leading to >1mW, >25nm bandwidth, and >20dB PER.
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