| Arrayed-Waveguide Grating Multi/Demultiplxer | |
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Arrayed-Waveguide Grating Multi/Demultiplxer modules of an optical chip having focusing slab waveguides and a phase array of multiple-channel waveguides with constant path length differences between neighboring channels. The AWG modules function as 1′n optical multi/de-multiplexers for Dense Wavelength Division Multiplexing (DWDM) systems. |
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| Features |
Applications |
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|
Spec and Parameter |
| Parameter | Unit | Value | REM |
| Channel
Spacing |
GHz |
100 |
|
| Wavelength
Accurac |
nm | typ. ± 0.02, max ± 0.04 | |
| ITU
Band |
GHz | ± 12.5 | Centered at each ITU frequenc |
| Insertion
Loss |
dB | typ.3.0, <=4.0 | Maximun in ITU band |
| Uniformit |
dB | typ.1.0, < 1.5 | Loss variation across all channels |
| Ripple |
dB | typ.1.0, <= 1.75 | Loss variation with ITU band |
| 1
dB Passband |
nm | typ.0.25 , >=0.2 | Passband width 1 dB below peak |
| 3
dB Passband |
nm | typ.0.42 , >=0.4 | Passband width 3 dB below peak |
| PDL | dB | typ.0.2, <= 0.5 | Maximum in ITU band |
| Adjacent
Channel Crosstalk (AX) |
dB | typ.-30, <= -26 | Worst case in ITU band |
| Non-Adjacent
Crosstalk (NX) |
dB | typ.-40, <= -35 | Worst case in ITU band |
| Total
Crosstalk |
dB | typ.-25, <= -23 | Cumulative sum of all AX and NX |
| Return
Loss |
dB | >
45 |
|
| Directivit |
dB | >
50 |
|
| Power
Consumption |
W | 4 |
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