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In each CWDM channel (in O-band or E- Band), there are 16 sub-DWDM channels at the low-wavelength (Low-Band) side, or the high-wavelength (High- Band) side of each CWDM channel (1271, 1291, 1311, 1331, 1351, 1411, 1431, 1451 and 1471), respectively.
Each CWDM channel has a +/-7.5nm channel width, while the High-Band is defined as the CWDM channel + 7.5nm while the low-band is defined as CWDM channel – 7.5nm. Within the High- or the Low-Band, there are total 16 DWDM channels, respectively, with a channel spacing of about 0.37nm. The MUX (or DeMUX) is based on optical interleaver and DWDM thin film filters. This configuration has wide operating temperature range (-40C to +85C) and superior performance, such as wide passband width, low insertion loss, high isolation, and excellent thermal stability, etc., over AWG technology.
Each CWDM channel has a +/-7.5nm channel width, while the High-Band is defined as the CWDM channel + 7.5nm while the low-band is defined as CWDM channel – 7.5nm. Within the High- or the Low-Band, there are total 16 DWDM channels, respectively, with a channel spacing of about 0.37nm. The MUX (or DeMUX) is based on optical interleaver and DWDM thin film filters. This configuration has wide operating temperature range (-40C to +85C) and superior performance, such as wide passband width, low insertion loss, high isolation, and excellent thermal stability, etc., over AWG technology.
For more information on 5G PON MUX DeMUX talk to BBN International Ltd
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