Abstract
In this Letter, a four-channel silicon photonic mode-division-multiplexing (MDM) and wavelength-division multiplexing (WDM) transmitter chiplet is proposed over a 1.65 mm 2 footprint, utilizing add-drop micro-ring modulators to simultaneously achieve electro-optic modulation and two-wavelength multiplexing.A dual-mode grating coupler with a side-distributed Bragg reflector for equalized two-mode coupling is realized with high chip-to-fiber coupling efficiency, so as to support the MDM optical fiber interface.A high data rate of up to 4 56 Gbps signaling is experimentally demonstrated, featuring applications like 200G quad small form-factor pluggable (QSFP) transceivers and indicating significant potential for…
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Keywords
- Optics
- Computer science
- Physics
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