II-VI FinisarFinisar Corp. has announced a new family of 100-Gb/s optical modules, extending communication reaches in modern enterprise and hyperscale data center environments. Based on the QSFP28 form factor, the comprehensive portfolio includes an eSR4 extended short reach transceiver designed for 200-m reaches, an eCWDM4 extended coarse wavelength division multiplexing transceiver for 10-km reaches and an eLR4 extended long reach transceiver for 20-km reaches, each operating using four 25-Gb/s channels. 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