Abstract
Planar hyperbolical lenses with an average efficiency of 85% for coupling a 40 mu m wide beam into a 4 mu m wide waveguide are realised. The total length required for the beam compression is 600 mu m, with a lateral index contrast of 0.01. Good agreement is found between the BPM predicted and the measured lens efficiencies
| Original language | English |
|---|---|
| Pages (from-to) | 1064-1066 |
| Journal | Electronics Letters |
| Volume | 26 |
| Issue number | 14 |
| Publication status | Published - 1990 |