POET Technologies Inc. (NASDAQ:POET) is among the 11 Most Active Small Cap Stocks to Buy. On March 17, POET Technologies Inc. (NASDAQ:POET) announced a joint development initiative with Lessengers to create a 1.6T 2xDR4 optical transceiver module tailored for next-generation AI clusters and hyperscale data center environments. The solution integrates POET’s optical engines—built on its Optical Interposer platform—with Lessengers’ Direct Optical Wiring technology, enabling a compact, high-density architect ...