Abstract
The coupling loss between directly W-written planar waveguides and standard telecom fibre has been reduced by index matching the three layer structure used for UV writing. Insertion losses down to 0.1 dB for 3 cm long waveguides have been achieved.
| Original language | English |
|---|---|
| Journal | Electronics Letters |
| Volume | 34 |
| Issue number | 16 |
| Pages (from-to) | 1582-1584 |
| ISSN | 0013-5194 |
| DOIs | |
| Publication status | Published - 1998 |