50-Gbps Si photonic crystal slow light modulator by the electro-optic phase matching

Yosuke Hinakura; Hiroyuki Arai; Toshihiko Baba

doi:10.1117/12.2509227

4 March 2019 50-Gbps Si photonic crystal slow light modulator by the electro-optic phase matching

Yosuke Hinakura, Hiroyuki Arai, Toshihiko Baba

Proceedings Volume 10923, Silicon Photonics XIV; 109231A (2019) https://doi.org/10.1117/12.2509227
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

We demonstrate 50 Gbps operation of a compact Si photonic crystal optical modulator, employing meanderline electrodes which compensate phase mismatch between slow light and RF signals. Although low dispersion slow light increases the modulation efficiency, the phase mismatch becomes a limiting factor of the operation speed. The meanderline electrodes and termination resistors broke this limit and enhanced the cut-off frequency up to 31 GHz. The quality of the modulation characteristics was improved at 25, 32 Gbps, and a clear eye opening even observed at 40–50 Gbps.

Citation Download Citation

Yosuke Hinakura, Hiroyuki Arai, and Toshihiko Baba "50-Gbps Si photonic crystal slow light modulator by the electro-optic phase matching", Proc. SPIE 10923, Silicon Photonics XIV, 109231A (4 March 2019); https://doi.org/10.1117/12.2509227

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