NeoPhotonics Corp. (NYSE: NPTN) says “multiple major customers” are using all or part of its line of 64-GBaud optical components to add coherent 600-Gbps transmission capabilities to their platforms. The company says the components, which include a 64-GBaud coherent driver modulator (CDM), intradyne coherent receiver (ICR), and ultra-narrow linewidth micro tunable laser, will support single-wavelength 600 Gbps or dual-wavelength 1.2 Tbps for 80-km applications such as data center interconnect (DCI; see "NeoPhotonics shipping 64-GBaud coherent optical components for 600-Gbps, 1.2-Tbps designs").
Three of the OEM customers are using the complete line. NeoPhotonics notes that the components also can be used for 400G over metro distances of 400-600 km using 64 GBaud and 16 QAM or 200G over distances greater than 1000 km using 64 GBaud and QPSK.
Meanwhile, NeoPhotonics touted the next generation of its 64-GBaud technology at OFC 2018 this past March. The Coherent Optical Subassembly (COSA) integrates the 64-GBaud CDM and the 64-Gbaud coherent receiver. A “nano” ultra-narrow linewidth external cavity tunable laser, which reduces size by approximately half, also was introduced.
“We are working closely with customers to provide a matched suite of high speed optical components for 600G per wavelength to enhance system performance and reduce time to market,” said Tim Jenks, chairman and CEO of NeoPhotonics. “With our next generation highly integrated COSA, operating at 64 Gbaud and beyond, and our Nano-Tunable Laser, we are working to enable highly compact pluggable 400G modules.”
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