High-reliability optical transceivers, media converters, and industrial switches optimized for high-density wave division multiplexing networks.
Shenzhen Soras Technology Co., Ltd. is an industry-leading manufacturer of optical transmission equipment and high-performance network hardware, leveraging over 10 years of intensive R&D and precision manufacturing experience. We rely on rigorous quality management systems, continuous technological innovation, and scalable production methodologies to supply global tier-1 telecom operators, system integrators, and distributors with cost-effective, high-value-added optical solutions.
Today, Soraslink works in close strategic partnership with telecommunication companies across more than 60 countries. With robust engineering capabilities and a highly experienced optical R&D team, our products are tailored precisely to meet bespoke customer requirements through comprehensive OEM and ODM services. Our primary export footprints span North America, South America, and Europe.
| Factory Profile & Operations | |
|---|---|
| Business Type | Original Equipment Manufacturer (OEM / Factory) |
| Operational Headquarters | Guangdong, China |
| Core Product Lines | Wave Division Multiplexers (WDM/CWDM/DWDM), Fiber Media Converters, SFP Modules, PoE Switches, GPON/EPON ONU & OLT |
| Total Staff | 11 - 50 Specialized Engineers & Assembly Technicians |
| Annual Revenue | US$ 5 Million - US$ 10 Million |
| Year Established | 2021 (Expanded Modernization) |
| Main Overseas Markets | Domestic Market (24%), Eastern Asia (15%), North America (15%), Europe & South America |
| Quality Certifications | ISO 9001, UL, CE, FCC, RoHS Compliant |
Understanding how WDM technologies unlock massive bandwidth capability across existing single-mode fiber infrastructure without capital-intensive fiber deployment.
Operating within the ITU-T G.694.2 grid from 1270nm to 1610nm with 20nm channel spacing, CWDM is an uncooled laser technology ideal for metro access rings, enterprise campus backbones, and 3G/4G/5G mobile backhaul. It offers a cost-effective 18-channel passive capacity upgrade path with low initial CAPEX.
Designed for long-haul networks and ultra-dense Data Center Interconnects (DCI), DWDM operates in the C-band (1528nm–1565nm) with tight channel spacing of 100GHz (0.8nm) or 50GHz (0.4nm). Utilizing thermally stabilized DFB/EML lasers, DWDM expands single fiber strand throughput up to 96+ wavelengths.
Engineered using mini-free-space optics technology rather than cascading thin-film filters (TFF), CCWDM drastically shrinks package size (up to 75% smaller than traditional CWDM modules) while reducing insertion loss (<1.5dB for 8-channel) and offering exceptional thermal stability across harsh operating environments.
| Parameter / Technology | CWDM (Coarse WDM) | DWDM (Dense WDM) | CCWDM (Compact CWDM) |
|---|---|---|---|
| Channel Spacing | 20 nm | 100 GHz (0.8 nm) / 50 GHz (0.4 nm) | 20 nm (Free-Space Micro-Optics) |
| Wavelength Range | 1270 nm – 1610 nm | 1528 nm – 1565 nm (C-Band) / L-Band | 1270 nm – 1610 nm |
| Typical Channel Count | 4, 8, 16, or 18 Channels | 40, 80, 96, to 192 Channels | 4, 8, 16 Channels + Express/Monitor |
| Max Transmission Distance | Up to 80 km (Unamplified) | > 1,000 km (EDFA Amplified) | Up to 80 km |
| Laser Technology | Uncooled DFB Lasers | Cooled DFB / EML Lasers | Uncooled DFB Lasers |
| Form Factor & Integration | ABS Box, LGX Cassette, 1U Rackmount | 1U/2U/4U Rackmount Chassis, DWDM SFP+/QSFP28 | Ultra-compact Metal Box (70x40x6 mm) |
Why telecom procurement directors and optical infrastructure engineers are shifting direct sourcing strategies to specialized Chinese WDM manufacturers.
Enterprise network builders face skyrocketing bandwidth demand while capital expenditure budgets remain tight. By eliminating intermediate markups through direct procurement from Shenzhen factory floors, telecom vendors realize up to 50% to 65% reduction in TCO without compromising insertion loss or polarization-dependent loss (PDL) metrics.
Laying new underground fiber cables in metropolitan areas costs anywhere from $20,000 to $100,000 per kilometer in civil engineering fees. Passive WDM multiplexers solve fiber exhaustion instantaneously by multiplying single-strand fiber capacity by up to 18x (CWDM) or 96x (DWDM) over existing dark fiber assets.
Modern procurement specifications demand strict adherence to ITU-T standards to guarantee 100% interoperability with major switch and router vendors (Cisco, Huawei, Juniper, Arista, Ciena). Soraslink passive WDM components and transceivers feature broad protocol-agnostic compliance (1G to 400G Ethernet, CPRI, Fibre Channel, SDH/SONET).
Engineered for extreme reliability across critical telecommunication networks, data center interconnects, and mission-critical enterprise infrastructure.
Deploying MWDM/LWDM passive multiplexers in 5G Baseband Units (BBU) to Remote Radio Heads (RRH) connections to save over 80% of optical cable installation cost while maintaining sub-microsecond low latency and CPRI/eCPRI protocol efficiency.
Linking geographically separated data centers with ultra-high density 40-channel or 96-channel DWDM Mux/Demux systems. Integrated EDFA amplifiers, Dispersion Compensation Modules (DCM), and OLP switches ensure zero data loss over 120km spans.
Combining 1490nm/1310nm GPON data signals with 1550nm CATV video signals onto a single fiber drop via WDM filter modules (FWDM). Enables seamless quad-play service distribution for municipal and rural FTTH deployments.
Our ISO 9001 certified production lines utilize advanced automated assembly, precision alignment, and comprehensive optical spectrum analysis.
Soraslink's engineering commitment to scaling next-generation wavelength multiplexing platforms for 800G, 1.6T, and Coherent Optical Ecosystems.
To satisfy AI compute cluster interconnect demands, our engineering team is expanding DWDM multiplexing filters beyond the conventional C-band into the L-band (1570nm–1610nm), doubling optical fiber carrying capacity to over 12 THz of usable spectrum.
Transitioning from discrete optical components to integrated Silicon Photonics micro-chips. This integration yields sub-1mm thick optical mux engines optimized for pluggable Co-Packaged Optics (CPO) and high-density 800G OSFP/QSFP-DD transceivers.
Next-gen intelligent WDM modules feature built-in 1610nm tap monitor ports and micro-OTDR circuit integration, enabling real-time optical power tracking and instant fiber fault localization without interrupting active payload traffic.
Get authoritative answers regarding OEM customization, optical link budget calculations, compliance standards, and order logistics.
CWDM (Coarse WDM) uses wider channel spacing (20nm) across 1270nm-1610nm and utilizes uncooled lasers, making it significantly less expensive for short-to-medium distances (up to 80km). DWDM (Dense WDM) uses tight channel spacing (0.8nm/0.4nm) in the C-band, requiring cooled lasers and enabling up to 96+ channels over hundreds of kilometers. Choosing CWDM reduces initial deployment costs, while DWDM protects massive long-term fiber scalability.
Yes, we provide extensive OEM/ODM customization. This includes custom port counts (2, 4, 8, 16, 18, 40 channel), custom passband widths, integration of express/monitor/1310nm expansion ports, tailored housing form factors (ABS Box, LGX Cassette, Micro CCWDM Metal Box, 19" 1U/2U Rackmounts), and custom logo branding/labeling.
Our passive optical products utilize premium Thin Film Filters (TFF) and high-precision micro-optics packaging. Every unit undergoes strict optical spectrum analyzer testing to ensure typical insertion loss is kept under 1.5dB for 8-channel units, channel isolation exceeds 30dB (adjacent) and 45dB (non-adjacent), and polarization-dependent loss (PDL) stays below 0.15dB.
Shenzhen Soras Technology Co., Ltd. operates under an ISO 9001 certified quality management system. Our product lines hold full international compliance certifications including CE, FCC, RoHS, and UL, ensuring seamless customs clearance and deployment in European, North American, and South American telecommunication markets.
Standard passive optical components and media converters are maintained in stock with shipment capability within 24 to 48 hours. Custom OEM/ODM orders or high-volume wholesale contracts typically carry a lead time of 7 to 15 business days depending on specific technical customization and batch size.
Explore our full ecosystem of GPON/EPON OLTs, ONUs, high-speed SFP28 optical modules, and industrial PoE switches.
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