Gezhi Photonics (Shenzhen) Technology Co., Ltd.
Gezhi Photonics (Shenzhen) Technology Co., Ltd.
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C-band 40ch 100GHz Athermal AWG DWDM Modules for Metro & long haul Networks
GEZHI Dense Wavelength Division Multiplexer (DWDM) modules, which use Athermal Arrayed Waveguide (AWG) technology. The module can also provide a splitter (i.e. tap), for sampling and monitoring link traffic.
Athermal AWG (AAWG) DWDM Module have equivalent performance to standard Thermal AWG(TAWG) but require no electrical power for stabilization. They can be used as direct replacements for Thin Film Filters(Filter type DWDM module) for cases where no power is available, also suitable for outdoor applications over -30 to +70 degree in access networks.
Features
100-GHz channel spacing
Wide-Band design - maximizes uniformity in passband
Athermal design for non-powered distribution nodes.
Standard Fiber Connectors: SC, ST, FC, LC, or customized
Connector Polish: UPC or APC (as applicable)
Pigtail modules also available
Can be used as Mux or Demux
Applications
WDM transmission
WDM based ADM
Metro and long haul net works
Wavelength selective routing
Optical signal processing
Specification
| Parameter | Specifications | Unit | Comment | ||
| Min | Max | ||||
| Input Channel | 1 | ||||
| Output Channel | 40 | 32, 48 channels available | |||
| Channel Spacing | 100 | GHz | |||
| Reference Passband | -12.5 | 12.5 | GHz | ||
| Wavelength Accuracy | -50 | 50 | pm | Relative to ITU Grid | |
| 1dB Bandwidth | 0.4 | nm | F-Flat top Type | ||
| 3dB Bandwidth | 0.6 | nm | |||
| I.L | 6 | dB | Worst case in ITU passband | ||
| I.L UNI. | 1 | dB | |||
| Ripple | 0.7 | dB | Loss variation in ITU passband | ||
| PDL | 0.5 | dB | Max. value in ITU passband | ||
| Adjacent Crosstalk | 25 | dB | Worst case in ITU passband | ||
| Non-Adjacent Crosstalk | 30 | dB | Worst case in ITU passband | ||
| Total Crosstalk | 22 | dB | Cumulative crosstalk of all other channels | ||
| Return Loss | 40 | dB | |||
| Maximum Continuous Optical Power | 250 | mW | Maximum input optical power | ||
| Chromatic Dispersion(CD) | -20 | +20 | ps/nm | ||
| PMD | 0.5 | ps | |||
