Electronic Products & Technology

Chiplet-based transmitter platform serves pluggable transceivers

Stephen Law   

Semiconductors 5G automotive platform Chiplet-based platform Poet semiconductor transmitter

POET Technologies Infinity is a chiplet-based transmitter platform for 400G, 800G and 1.6T pluggable transceivers and co-packaged optics solutions. Chiplet incorporates 100G PAM4 directly modulated lasers (DML), DML drivers and an integrated optical multiplexer for a complete 400GBASE-FR4 transmitter solution on a chip. Device’s small size and a daisy chain architecture enable side-by-side placement of multiple chiplets to achieve 800G and 1.6T speeds. Pluggable transceiver customers can use two Infinity chiplets to achieve 800G in a 2xFR4 transmitter in a QSFP-DD or OSFP package, or use four Infinity chiplets for 1.6T 4xFR4 solutions in an OSFP-XD package. Product line carries forward firm’s differentiation of all passive alignments and monolithically integrated waveguides, multiplexers and demultiplexers, which translates to lower cost, power and ease of assembly benefits to customers.

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