Abstract
Compared with Mach-Zehnder modulators, silicon microring modulators have the important advantages of smaller footprint and significantly lower energy per bit but suffer the disadvantages of inherent wavelength dependence and a modulation bandwidth that is limited by the resonator bandwidth. Here, we address the latter disadvantage of using an integrated silicon microring modulator with spectrally efficient modulation with 16-quadrature amplitude modulation on direct detection orthogonal frequency division multiplexing (OFDM). We demonstrate a line rate of 128-Gb/s and a net data rate of 107.6-Gb/s OFDM signal modulation using this tunable microring modulator. The 6.6- and 10-km single-mode fiber transmission of the modulated signal is presented. The measured bit error rates of back-to-back, 6.6-km, and 10-km fiber transmission are well below the forward error correction threshold.
| Original language | English |
|---|---|
| Article number | 7485897 |
| Pages (from-to) | 2058-2061 |
| Number of pages | 4 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 28 |
| Issue number | 19 |
| DOIs | |
| State | Published - 1 Oct 2016 |
| Externally published | Yes |
Keywords
- Silicon microring modulator
- advanced modulation format
- optical OFDM
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