Our QSFP28 Bidirectional (Bidi) transceivers delivers high-speed 100G connectivity over a single strand of fiber, with reach options up to 70km and support for both standard and industrial temperature environments. SAXONBURG, PA, September 26, 2025 (GLOBE NEWSWIRE) – Coherent Corp. (NYSE: COHR), a global leader in photonics, announces the industry's first QSFP28 Dual Laser 100G ZR solution that enables broadband providers to efficiently maximize capacity on existing fiber infrastructure. The Coherent 100G ZR. QSFP28 Single Fiber - Polish producer in photonics and fiber optic sector. * – transmission distance depends on optical link attenuation Enter single fiber QSFP28 modules —a game-changer using BiDi (Bidirectional) technology to transmit 100G data over one fiber strand. By leveraging different wavelengths (e., 1271nm/1331nm) for upstream/downstream traffic, these modules cut fiber infrastructure costs by 50% while maintaining full. Whether it's building a network or upgrading an existing network, the Cisco® QSFP-100G-B20U4-I and QSFP-100G-B20D4-I transceivers provide 100G connectivity for platforms at up to 20km on single SMF (Single Mode Fiber).
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