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Table 2
Overview of the coupler properties.
| 3.39 μm | L band | M band | |
|
|
|||
| integrated splitting | – | 49.4% | 42.3% |
| spectral splitting variation | – | 35.5% | 5.1% |
| throughput | – | 25.4% | – |
| diff. polarization | 0.2 rad | ||
| & see Sect. 4.4 | |||
| phase variation | – | 0.04 rad | 0.07 rad |
| contrast | 98.0% | 94.9% | 92.1% |
Notes. Numbers are averaged over the two inputs for the splitting and averaged over the two outputs for the phase and contrast.
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