In coherent optical modules, the Digital Signal Processor (DSP) acts as the brain of the system, processing both incoming and outgoing signals to correct distortions, ensure data integrity, and overcome transmission impairments. What Is DSP? DSP (Digital Signal Processing) refers to the use of digital computation to. The Marvell coherent DSP portfolio, including Orion™, Canopus™ and Deneb™ platforms, empower the optical module ecosystem with low-power, high-performance silicon for QSFP-DD, OSFP and CFP2-DCO coherent pluggable form factors for AI cloud data center interconnect and 5G telecom and long-haul. While direct detect transmission only uses the amplitude of the light signal, coherent optical transmission manipulates three different light properties: amplitude, phase, and polarization. Whilst these modules can support traditional point-to-point (P2P) applications, similar to e., 400ZR(+) –with at least the same performance, it. Built around Coherent Steelerton DSP, the 100G ZR QSFP28-DCO transceiver is fully compliant to the IEEE 802. 3™-2022 100GBASE-ZR standard, ensuring interoperability with other solutions. The DSPs used in these modules are based on 7nm CM S technology and operated at baud rates of up to 70 GBaud.