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§ Private Profile · 7585 Irvine Center Drive Suite 100 Irvine, CA 92618, USA
Developed communications semiconductors, coherent DSP SoCs for high-speed data in optical networking, telecom, data centers.
Based in Irvine, California, ClariPhy Communications developed communications semiconductors, electronic dispersion compensation technologies, and coherent digital signal processing systems-on-chip for multi-terabit data, telecom networking, and data center applications. The company's specialized semiconductor chips enabled high-speed data transfers of up to 100 gigabits per second, thereby reducing deployment costs for internet bandwidth scaling across long-haul transport infrastructure, metro networks, and cloud computing environments. Prior to its strategic exit, the enterprise secured approximately $93 million in total venture funding from a syndicate of institutional backers, including Nokia Siemens Networks, Norwest Venture Partners, Oclaro, and ONSET Ventures. In December 2016, the Irvine-based semiconductor manufacturer was officially acquired by Inphi Corporation for a total consideration of $275 million in cash and assumed debt. ClariPhy Communications was originally established in 2002 by co-founders Paul Voois and Oscar Agazzi.
ClariPhy Communications has raised $72.0M across 4 funding rounds.
ClariPhy Communications has raised $72.0M in total across 4 funding rounds.
ClariPhy Communications has raised $72.0M across 4 funding rounds. Most recently, it raised $20.0M Series U in August 2014.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Aug 1, 2014 | $20M Series U | — | ICONIQ Capital, Norwest Venture Partners | Announced |
| Jun 20, 2011 | $14M Venture Round | Vesa Tykkyläinen | Robert Abbott | Announced |
| Jun 1, 2011 | $14M Series C | Nokia | ICONIQ Capital, Norwest Venture Partners | Announced |
| May 1, 2010 | $24M Series C | — | ICONIQ Capital, Norwest Venture Partners, Allegis Capital, Norwest Venture Partners, Oclaro, ONSET Ventures, Pacific General Partners | Announced |
ClariPhy Communications was a fabless semiconductor company that developed ultra-high-speed systems-on-chip (SoCs) and digital signal processing (DSP) solutions for multi-terabit data and telecom networking, emphasizing performance, bandwidth, power efficiency, and extended reach while reducing deployment costs.[1][2][3] It targeted optical networking applications, including coherent DSP for long-haul, metro, data center interconnect (DCI), and intra-data center links at speeds like 40G, 100G, and beyond, serving OEMs, module suppliers, and network operators upgrading for cloud computing, IPTV, and bandwidth surges.[1][3][4] Founded in 2002 in Irvine, California, ClariPhy raised $97.94M before its acquisition by Inphi Corporation for $275M in cash in late 2016, integrating its tech into Inphi's optical portfolio.[1][2]
ClariPhy emerged in 2002 amid rising demand for high-speed optical transport, developing mixed-signal CMOS SoCs with advanced DSP for 10G, 40G, and 100G networks in enterprise, data center, and telecom markets.[1][4] Key early leaders included CEOs Paul Voois (during a funding round led by Nokia Siemens Networks) and later Nariman Yousefi, alongside DSP architect Oscar Agazzi, who joined Inphi post-acquisition.[2][4] The idea stemmed from coherent optical transmission needs, with ClariPhy pioneering the first 40nm CMOS SoC for 40G coherent networks like the LightSpeed CL4010 ASSP, enabling volume deployment and roadmap scaling to 28nm for lower power.[4][8] Investors such as Allegis Capital, Norwest Venture Partners, Oclaro, Onset Ventures, Nokia Siemens Networks, and Pacific General Ventures fueled early traction.[4]
ClariPhy rode the shift to coherent DWDM optical networks, migrating from long-haul to metro/DCI amid exploding bandwidth from smartphones, IPTV, cloud computing, and data center scaling.[2][3][4] Its timing aligned with 100G/200G market growth at 18% CAGR (2015-2020, per IHS), enabling cost-effective upgrades via DSP-driven coherent tech that boosted spectral efficiency and reach without fiber trenches.[2] By democratizing coherent SoCs, ClariPhy influenced ecosystem adoption, accelerating OEM innovation in transport infrastructure and paving the way for Inphi's end-to-end optical blocks (DSP + TIAs/drivers/photonics), which shaped hyperscale and telco deployments.[2][3]
Post-2016 acquisition, ClariPhy's tech fueled Inphi's optical dominance, likely evolving within Marvell (which acquired Inphi in 2021) amid 400G/800G+ eras and AI-driven data surges. Next steps hinge on coherent DSP scaling for 1.6T+ coherent optics, edge computing, and power-optimized 5G/6G backhaul, propelled by trends like generative AI traffic and subsea cables. Its legacy endures in merchant silicon's role, potentially amplifying Marvell's influence as optical bottlenecks intensify—echoing ClariPhy's original mission to slash costs while scaling Internet bandwidth.[2][3]
ClariPhy Communications has raised $72.0M in total across 4 funding rounds.
ClariPhy Communications's investors include ICONIQ Capital, Norwest Venture Partners, Vesa Tykkyläinen, Robert Abbott, Nokia, Allegis Capital, Oclaro, ONSET Ventures, Pacific General Partners.