2021 Ranking of Optical Module Companies

In 2021, Xutron Technology and II-VI (acquiring Finisar) tied for first place in the global optical module market, marking the first time a domestic Chinese vendor reached the top.

Top 10 Optical Module Suppliers in 2021

The 2021 ranking, as reported by LightCounting, highlights a significant shift toward Chinese suppliers in the global optical module market :

1. Xutron Technology – Tied for 1st place, marking its first time at the top of the global market .
2. II-VI (acquired Finisar) – Also tied for 1st, benefiting from the acquisition of Finisar, a leading optical module company .
3. Huawei (HiSilicon) – Ranked 3rd, maintaining a strong position despite U.S. trade restrictions .
4. Coherent – Overseas supplier, formerly Finisar, with nearly $1.4 billion in revenue .
5. Optical Xun Technology – Chinese vendor, ranked 5th .
6. Hisense Broadband – Ranked 6th, another Chinese supplier .
7. Eoptolink – Ranked 7th, showing growth from 9th in 2020 .
8. Accelink – Maintained 8th position .
9. Cisco (Acacia) – Included after LightCounting revised its methodology to count modules from equipment vendors .
10. Intel – Rounded out the top 10 .

Key Trends in 2021

• Chinese Dominance: Four Chinese companies made the 2021 TOP10 list (Xutron, Huawei, Optical Xun Technology, Hisense Broadband), reflecting the growing competitiveness of Chinese optical module suppliers .
• Acquisitions Impact: II-VI's acquisition of Finisar and Cisco's acquisition of Acacia significantly influenced the rankings, consolidating market share among major players .
• Market Shifts: Japanese and Korean suppliers, previously common in the TOP10, largely disappeared from the 2021 list, highlighting a shift toward Chinese and U.S.-based vendors .
• Revenue Highlights: Coherent and Asahi Technologies each earned nearly $1.4 billion in revenue, while Cisco and Huawei were positioned as potential leaders due to their extensive networking resources .

Market Context

The optical module market in 2021 was driven by high-speed data transmission demands, particularly in data centers, which accounted for 58% of the fiber optic transceiver module segment revenue . The global production capacity for 400G optical modules was 2.3 million units, reflecting rapid growth in high-speed networking infrastructure . This ranking illustrates the emerging dominance of Chinese suppliers and the strategic role of acquisitions in shaping the global optical module landscape in 2021.