2.5THz bandwidth on-chip photonic fractional Hilbert transformer based on a phase-shifted waveguide Bragg grating
Publication Type:Conference Proceedings
Source:IEEE Photonics Conference (IPC), Bellevue, WA, p.WD2.2 (2013)
Keywords:silicon photonics; Bragg grating; fractional Hilbert transformer
We propose and experimentally demonstrate the first THz-bandwidth on-chip fractional Hilbert transformer based on an integrated phase-shifted waveguide Bragg grating on silicon. Experimental results show an error of only 0.24% at 940 GHz bandwidth.