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INTRODUCTION:
50G 80ch AAWG - Application Note
The specifications serve for C-band 80 channels Flat-top MUX/DEMUX Athermal AWG module inDWDM system
50G 80ch AAWG - Optical Specifications
Table 1 Optical Specifications
|
Parameters |
Notes |
Specifications |
Units |
|
|
Min |
Max |
|||
|
Channels |
|
80 |
Ch |
|
|
Channel Spacing |
|
50 |
GHz |
|
|
Reference Pass- band |
Relative to ITU Grid |
± 0.05 |
nm |
|
|
ITU Frequency |
On ITU grid in C-band |
196.05 |
192.10 |
THz |
|
ITU Wavelength |
On ITU grid in C-band |
1529.163 |
1560.606 |
nm |
|
Center Frequency Accuracy |
Maximum of the absolute deviation of the 3 dB center wavelength from ITU grid over all channels |
-0.024 |
+0.024 |
nm |
|
Insertion Loss |
Maximum of the insertion loss across the ITU pass-band over all channels |
|
7.0 |
dB |
|
Insertion Loss Uniformity |
Maximum insertion loss variance across all channels |
|
1.5 |
dB |
|
Ripple |
Maximum of the loss variance across the ITU pass-band over all channels |
|
0.7 |
dB |
|
1dB Bandwidth |
1dB from min Insertion Loss, full width, average polarization |
0.18 |
|
nm |
|
3dB Bandwidth |
3 dB from min Insertion Loss, full width, average polarization |
0.28 |
|
nm |
|
20 dB bandwidth |
20 dB from min Insertion Loss, full width, |
|
0.7 |
nm |
|
|
|
average polarization |
|
|
|
|
|
|
Adjacent Channel Isolation |
Ratio of peak transmission to the maximum transmission over both adjacent pass-bands |
25 |
|
dB |
|
|
|
Non-Adjacent Channel Isolation |
Ratio of peak transmission in channel pass- bands to maximum transmission over all non-adjacent pass-bands |
30 |
|
dB |
|
|
|
Total Crosstalk |
Ratio of power in channel to power in all other pass-bands |
20 |
|
dB |
|
|
|
Polarization Dependent Loss |
Maximum ratio of transmissions over all polarization states, over the ITU pass-band |
|
0.5 |
dB |
|
|
|
Return Loss |
|
40 |
|
dB |
|
|
|
Polarization Mode Delay (PMD) |
In Reference Passband over all channels |
|
1.0 |
ps |
|
|
|
Chromatic Dispersion |
In Reference Passband over all channels |
-35 |
35 |
ps/nm |
z Connector is included.
Table 2 Channels List：Passbands for 80 channel AAWG
|
Channel |
Frequency(THz) |
Wavelength(nm) |
Channel |
Frequency(THz) |
Wavelength(nm) |
|
1 |
196.05 |
1529.163 |
2 |
196 |
1529.553 |
|
3 |
195.95 |
1529.944 |
4 |
195.9 |
1530.334 |
|
5 |
195.85 |
1530.725 |
6 |
195.8 |
1531.116 |
|
7 |
195.75 |
1531.507 |
8 |
195.7 |
1531.898 |
|
9 |
195.65 |
1532.290 |
10 |
195.6 |
1532.681 |
|
11 |