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16CH 200G O Band PM DWDM Module Polarization Maintaining DWDM Mux Demux 1260 1380nm For PON CATV Broadband And Optical Network
1. Product Overview
This product is a 16CH 200G Oband PM DWDM Module (16-channel 200G O-band polarization-maintaining DWDM multiplexing/demultiplexing module), operating in the wavelength range of 1260–1380 nm. It provides 16 equally spaced 200G DWDM channels in the O-band, with a center wavelength covering 1295.56–1312.58 nm. Each channel has a passband of λc±0.2 nm and an in-band ripple of <0.5 dB, combining low insertion loss, high channel isolation, and good channel consistency. The module uses Corning PM-1310-U25D polarization-maintaining fiber and LC/UPC connectors, with connector keys aligned to the slow axis, suitable for integration into various O-band polarization-maintaining DWDM systems.
2. Product Advantages
Low Insertion Loss, Ample Link Budget
The insertion loss of the 16 channels gradually decreases from ≤4.5 dB in the Mux direction to ≤1.0 dB in the CH16 direction, and from ≤1.0 dB to ≤4.5 dB in the Demux direction. The overall link loss is <5.5 dB, while the in-band ripple is controlled within 0.5 dB, which helps maintain good OSNR and power margin, making it suitable for medium- to long-distance or multi-stage amplification applications.
High Channel Isolation, Extremely Low Crosstalk
Isolation between adjacent channels is >25 dB, and isolation between non-adjacent channels is >35 dB, effectively suppressing crosstalk between channels; port return loss is >45 dB, and directivity is >50 dB, significantly reducing the impact of reflections and port coupling on system stability and ensuring signal quality during multi-wavelength parallel transmission.
Polarization-Maintaining Design with Excellent Polarization Characteristics
Utilizing Corning PM-1310-U25D panda-type polarization-maintaining fiber, the device extinction ratio is >16 dB, and the connector keying is aligned with the slow axis, ensuring a stable and controllable polarization state within the polarization-maintaining system. This is more suitable for coherent detection, interferometry, and polarization-sensitive applications.
Good Channel Consistency and Easy System Calibration
The insertion loss of each channel is distributed according to a wavelength gradient with a clearly defined control range. The differences between channels are small, facilitating unified calibration and power compensation at the system level, reducing the workload of subsequent software calibration and maintenance.
High Reliability and Standard Compliance
The module can withstand a maximum optical power of <300 mW and operates at a temperature of 0～+65 ℃. Combined with high-reliability filtering technology and module packaging, it ensures stable long-term online operation. The overall design meets Telcordia and RoHS standards, making it suitable for mass deployment in both operational and engineering projects.
3. Product Features (Key Features)
Parameters
Specification
Operating Wavelength (nm)
1260~1380
Channel spacing
200G
Number of Channel
16
Pass band (nm)
λC±0.2
Ripple (dB)
＜0.5
Port
Insertion Loss
Channel
Mux
Demux
CH1- 1295.56nm
≤4.5
≤1.0
CH2- 1296.68nm
≤4.3
≤1.3
CH3- 1297.80nm
≤4.1
≤1.6
CH4- 1298.93nm
≤3.9
≤1.9
CH5- 1300.05nm
≤3.7
≤2.2
CH6- 1301.18nm
≤3.5
≤2.5
CH7- 1302.31nm
≤3.3
≤2.7
CH8- 1303.45nm
≤3.1
≤2.9
CH9- 1304.58nm
≤2.9
≤3.1
CH10- 1305.72nm
≤2.7
≤3.3
CH11- 1306.85nm
≤2.5
≤3.5
CH12- 1308.00nm
≤2.2
≤3.7
CH13- 1309.14nm
≤1.9
≤3.9
CH14- 1310.28nm
≤1.6
≤4.1
CH15- 1311.43nm
≤1.3
≤4.3
CH16- 1312.58nm
≤1.0
≤4.5
Link loss (dB)
< 5.5
Isolation (dB)
Adjacent
> 25
Non-adjacent
> 35
4. Package Outline
Dimensions
Module Housing Dimensions: 120 * 80 * 18 mm ABS box package, suitable for installation in 1U/2U chassis or module trays.
Ports and Structure
Port Configuration: 1 * COM common port + 16 * DWDM channel ports (CH1–CH16), as shown in the structure diagram on page 2 of the datasheet. The COM port multiplexes/demultiplexes 16 wavelengths from 1295.56 to 1312.58 nm.
Port Type: Mux / Demux configurations are available, supporting individual Mux modules or Demux modules, or they can be used in pairs.
Fiber Optics and Connectors
Fiber Type: Corning PM-1310-U25D Polarization-Maintaining Fiber
Pigtail Sheath: 0.9 mm Blue Loose Tube, for easy identification and chassis cabling
Standard Pigtail Length: 1 m (Customizable upon request)
Standard Connector: LC/UPC, connector key alignment with the slow axis for consistent polarization reference across the entire system; other interface types can be customized for projects requiring specific conditions.
Power and Environmental Conditions
Maximum Input Optical Power: <300 mW
Operating Temperature: 0～+65 ℃
Storage Temperature: -40～+85 ℃
