Abstract
We report the design and fabrication of a compact multi-core fiber fan-in/fan-out using a grating coupler array on the SOI platform. The grating couplers are fully-etched, enabling the whole circuit to be fabricated in a single lithography and etching step. Thanks to the apodized design for the grating couplers and the introduction of an aluminum reflective mirror, a highest coupling efficiency of -3.8 dB with 3 dB coupling bandwidth of 48 nm and 1.5 dB bandwidth covering the whole C band, together with crosstalk lower than -32 dB are demonstrated. (C)2015 Optical Society of America
| Original language | English |
|---|---|
| Journal | Optics Express |
| Volume | 23 |
| Issue number | 3 |
| Pages (from-to) | 3292-3298 |
| ISSN | 1094-4087 |
| DOIs | |
| Publication status | Published - 2015 |
Keywords
- OPTICS
- EFFICIENCY
- FIBER
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