Table 3.
Insertion loss of the coupler 99:1.
| Port IN |
Port OUT |
IL from Datasheet (dB) |
IL at 1310 nm (dB) |
IL at 1550 nm (dB) |
|---|---|---|---|---|
| P1 | P4 | 20.47 | 22.50 | 20.66 |
| P1 | P3 | 0.37 | 0.35 | 0.23 |
| P2 | P4 | 0.33 | 0.31 | 0.26 |
| P2 | P3 | 20.43 | 21.91 | 20.14 |
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