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Graphene-based integrated photonics for next-generation datacom and telecom

Romagnoli, Marco; Sorianello, Vito; Midrio, Michele; Koppens, Frank H. L.; Huyghebaert, Cedric; Neumaier, Daniel; Galli, Paola; Templ, Wolfgang; D'Errico, Antonio; Ferrari, Andrea C.

NATURE REVIEWS MATERIALS
2018
VL / 3 - BP / 392 - EP / 414
abstract
Graphene is an ideal material for optoelectronic applications. Its photonic properties give several advantages and complementarities over Si photonics. For example, graphene enables both electro-absorption and electro-refraction modulation with an electro-optical index change exceeding 10(-3). It can be used for optical add-drop multiplexing with voltage control, eliminating the current dissipation used for the thermal detuning of microresonators, and for thermoelectric-based ultrafast optical detectors that generate a voltage without transimpedance amplifiers. Here, we present our vision for graphene-based integrated photonics. We review graphene-based transceivers and compare them with existing technologies. Strategies for improving power consumption, manufacturability and wafer-scale integration are addressed. We outline a roadmap of the technological requirements to meet the demands of the datacom and telecom markets. We show that graphene-based integrated photonics could enable ultrahigh spatial bandwidth density, low power consumption for board connectivity and connectivity between data centres, access networks and metropolitan, core, regional and long-haul optical communications.

AccesS level

Green submitted

MENTIONS DATA