Near-packaged optics (NPO) gains ground as the industry hedges against CPO's growing pains — analysts say volume for NPO silicon photonics products will extend until the end of the decade
The case for near-packaged optics (NPO) is strengthening, as the growing pains of co-packaged optics (CPO) become apparent. We explain the material differences between the two technologies as optics and silicon photonics make waves in the AI industry.
Near-packaged optics (NPO) is gaining traction as the industry anticipates challenges with co-packaged optics (CPO), according to analysts. NPO offers three advantages: field-replaceable modules, a failure confined to a single socketed unit, and simpler assembly due to the optical engine being packaged separately from the switch ASIC.
NPO is seen as an interim solution bridging the gap between pluggable transceivers and true CPO. Broadcom has demonstrated a 3.2T VCSEL-based NPO product line, while six connector and optics firms have formed a standards group to define a common socket for this device. NPO presents an interim solution with benefits over CPO while maintaining most of CPO's advantages.
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