Dorelink
Dorelink
In the era of Artificial Intelligence (AI), Machine Learning (ML), and Big Data, the demand for high-bandwidth, low-latency interconnects has never been more critical. As a premier Optical Transceivers 100G/200G/400G Module Factory & Exporter, we recognize that the migration from 100G (QSFP28) to 400G (QSFP-DD) is not merely a speed upgrade—it is a fundamental shift in optical networking architecture. Our white paper provides a deep dive into the technical nuances, market dynamics, and supply chain strategies required to power modern hyper-scale data centers.
Utilizing PAM4 (Pulse Amplitude Modulation 4-level) technology to double the data rate compared to traditional NRZ signaling, enabling efficient 400G transmissions.
Full adherence to IEEE 802.3bs/cd and MSA (Multi-Source Agreement) standards ensures seamless interoperability with Cisco, Arista, Juniper, and Nvidia networking equipment.
Our China-based factory leverages a 12-year industrial ecosystem to offer shortened lead times and cost-effective scaling for global enterprises.
Manufacturing Base
Annual Export Revenue
R&D Engineers
Global Partners
Dorelink Optical Communications Co., Ltd. stands at the intersection of innovation and manufacturing excellence. Established in 2016, our 12-year industry expertise has allowed us to perfect the production of 100G, 200G, and 400G modules that meet the stringent demands of global telecom carriers and system integrators.
Navigating international trade requires more than just high-quality hardware. We provide comprehensive Localization Support including:
Being based in the heart of China’s optical valley provides us with an unparalleled supply chain advantage. We control every aspect of production, from wafer sourcing to final assembly. This integration allows us to release over 85 new models annually, keeping our clients at the forefront of the technology curve.
Our reliability is built on a rigorous 5-tier quality control system managed by 45 professional QC personnel. We don't just ship products; we deliver peace of mind.
Strict Incoming Material Inspection (IQC) of optical sub-assemblies (TOSA/ROSA) followed by In-Process Quality Control (IPQC) during high-speed automated assembly.
Every module undergoes 24-72 hours of continuous high-temperature aging and temperature cycling to ensure long-term stability in harsh data center environments.
Utilizing high-end oscilloscopes and Bit Error Rate Testers (BERT), we verify eye-diagram performance and signal-to-noise ratios for error-free transmission.
As we look toward 2025-2030, the optical communication industry is moving toward even higher densities and lower power consumption per bit.
Silicon Photonics (SiPh) is revolutionizing the 400G and 800G market by integrating laser sources and modulators onto a single silicon chip, reducing costs and thermal footprints.
While QSFP-DD remains the dominant form factor for 400G due to backward compatibility, OSFP (Octal Small Form-factor Pluggable) is gaining traction in 800G applications due to superior thermal management capabilities.
The explosive growth of Large Language Models (LLMs) requires massive GPU clusters. These clusters rely on low-latency 400G DR4 and FR4 modules to maintain high throughput between computing nodes.
Utilizing 400G QSFP-DD DR4/FR4 for spine-and-leaf architectures, enabling high-density interconnects across massive server racks.
100G QSFP28 LR4 and ER4 modules provide the long-reach (10km-40km) necessary for connecting base stations to metropolitan core networks.
Optimizing campus networks with 100G SR4 modules for short-reach high-speed fiber links between departmental switches.
