At present, the import of optical modules into the United States requires a 10% basic tariff, but according to Executive Order No. 14257, two exemptions have been obtained: one is the exemption from the 245% ad valorem tariff on Chinese goods, and the other is that. Procurement models for hyperscale data centers are currently operating on a dangerous assumption: that the cost-per-bit for optical interconnects will naturally decay along historical curves. In reality, the physical layer physics of 800G and 1. 6T networking have fundamentally broken the. The 100G-DR-LPO specification by the LPO (Linear Pluggable Optics) MSA defines 100 Gb/s/lane 53. 125 GBd PAM4 optical interfaces, optical links using standard single-mode fiber with up to 500 m reach, and host-module electrical interfaces for hosts with DSP based SerDes and RS(544,514) FEC. It. The Marvell Ara PAM4 DSP is a next generation solution for GenAI and cloud datacenter interconnects utilizing pluggable transceivers. Ara features eight 200Gbps/channel PAM4 host electrical interfaces, and an octal 200Gbps/lane PAM4 optical interface with integrated high-swing laser-modulator. Optical transceivers are critical components in today's digital communication landscape. Figure 1-1 shows the typical waveform. Last November, Credo Semiconductor was first to announce a transmit-only 800G PAM4 DSP for half-retimed modules, which are now known as linear-receive optics (LRO).