TORONTO, Ontario - POET Technologies Inc. ('POET' or the 'Company') (TSX Venture: PTK; OTCQX: POETF), the designer and developer of integrated optical engines for the optical communications, computing and sensing markets, all based on the POET Optical Interposer, announces that samples of its 100G and 200G CWDM4 Optical Engines will be available beginning in early July. Powered by four flip-chipped 28G and 28G PAM4 CWDM (course wavelength division multiplexed) DFB (distributed feedback) lasers, the POET Optical Engines include an integrated athermal multiplexer and demultiplexer, 28G detecto...