Abstract
In this letter, 3.072-Tb/s (six spatial and polarization modes × 4 wavelength-division multiplexing (WDM) × 128-Gb/s 16QAM) transmission over 30 km of few-mode fiber (FMF) is demonstrated employing a photonic integrated mode coupler based on silicon-on-insulator (SoI) technology. A 2-D top coupling solution with five small vertical grating couplers is proposed for coupling between an SoI chip and an FMF, guiding LP01 and LP11 modes. Push-pull and center launch configurations for exciting LP11 and LP01 modes, respectively, through mode-profile matching are analyzed and implemented on the SoI chip.
| Original language | English |
|---|---|
| Article number | 6588901 |
| Pages (from-to) | 2039-2042 |
| Number of pages | 4 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 25 |
| Issue number | 21 |
| DOIs | |
| Publication status | Published - 2013 |
Keywords
- coherent detection
- Mode division multiplexing (MDM)
- quadrature amplitude modulation
- silicon photonics
- wavelength division multiplexing (WDM)
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