Abstract
Variable power splitting ratio 2×2 MMI couplers using multi-mode waveguide holograms are analyzed. Theoretical analysis shows that variable splitting ratios can be obtained with surface relief holograms on MMI couplers with fixed dimensions. Devices with paired-imaging lengths are designed on a silicon-on-insulator (SOI) platform. Beam propagation simulations are used to verify a matrix theory analysis and to investigate proposed device performance. Fabrication tolerance of the proposed device is also analyzed.
| Original language | English |
|---|---|
| Pages (from-to) | 9015-9021 |
| Number of pages | 7 |
| Journal | Optics Express |
| Volume | 15 |
| Issue number | 14 |
| DOIs | |
| Publication status | Published - 2007 Jul 9 |
All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
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