High Power CW Laser for Co-Packaged Optics
■The amount of annual global data center traffic has tripled in the last five years, and nearly three-fourths of it resides inside data centers thanks to drivers such as video, AI, and HPC [1]. Power consumption of next-generation switches such as 51T and 102T switches might exceed cooling facility limits if traditional switch construction techniques with pluggable optics are used. CPO is one of the key initiatives to reduce power consumption in next-generation datacenter networking systems. CPO-based switch designs utilizing ELSs provide the advantages of serviceability of the laser sources, separation of the temperature-sensitive lasers from the switch IC, and easing space limitations on Silicon-Photonic (SiPho) die by eliminating the integrated lasers. For CPO-based, 51T switches, each laser would need to provide approximately 22 to 25dBm of optical power. In addition to the high-power output, it is necessary for the ELS to provide high Power Conversion Efficiency (PCE) for CPO systems to achieve the power reduction sought. Preliminary PCE target of 10% should achieve this goal.
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Technical Documentation |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2022/5/24 |
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962 KB |
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