Graphene Phase Modulator
Mesoscale and Nanoscale Physics
2018-07-10 v1
Abstract
We demonstrate a 10Gb/s Graphene Phase Modulator (GPM) integrated in a Mach-Zehnder interferometer configuration. This is a compact device, with a phase-shifter length of only 300m, and 35dB extinction ratio. The GPM has modulation efficiency of 0.28Vcm, one order of magnitude higher compared to state-of-the-art depletion p-n junction Si phase modulators. Our GPM operates with 2V peak-to-peak driving voltage in a push-pull configuration, and it has been tested in a binary transmission of a non-return-to-zero data stream over 50km single mode fibre. This device is the key building block for graphene-based integrated photonics, enabling compact and energy efficient hybrid Si-graphene modulators for telecom, datacom and other applications
Keywords
Cite
@article{arxiv.1704.01525,
title = {Graphene Phase Modulator},
author = {V. Sorianello and M. Midrio and G. Contestabile and I. Asselberg and J. Van Campenhout and C. Huyghebaerts and I. Goykhman and A. K. Ott and A. C. Ferrari and M. Romagnoli},
journal= {arXiv preprint arXiv:1704.01525},
year = {2018}
}