Product features

  • Single card maximum can support 8-channel MUX and 8-channel DEMUX

  • Low insertion loss

  • Low polarization dependent loss

  • High channel isolation

  • Good environment reliability

  • High level of integration by plug-in design

Product overview

CWDM: Coarse Wavelength Division Multiplexer is a metropolitan area network backbone layer or a long wavelength division transmission technology. It transmits signal by making different ITU-T CWDM wavelength signals multiplex to single fiber in receiving terminal. It decomposes composite signal into different ITU-T CWDM wavelength signal.

Performance index

Parameters Unit Specifications
Wavelength Range ITU channels 186.6 to196.1 THz
Channel Center Wavelength nm ITU channels
Channel Spacing Ghz 20
Channel Pass band (@-0.5dB) nm λ±7.5
Channel No. λ 2 4 8 16
Insertion Loss dB ≤ 0.8 ≤ 1.5 ≤ 2.5 ≤5.2
Adjacent Channel Isolation dB ≥ 30
Non-adjacent Channel Isolation dB ≥ 40
Wavelength thermal stability nm/℃ ≤ 0.003
Insertion loss thermal stability dB/℃ ≤ 0.005
PDL dB ≤ 0.1 ≤ 0.15 ≤ 0.15 ≤ 0.20
Polarization mode dispersion ps ≤ 0.1
Directivity dB ≥ 50
Return loss dB ≥ 45
Optical Power mW ≤ 500

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