High-speed electro-optic modulator integrated with graphene-boron nitride heterostructure and photonic crystal nanocavity.

@article{Gao2015HighspeedEM,
  title={High-speed electro-optic modulator integrated with graphene-boron nitride heterostructure and photonic crystal nanocavity.},
  author={Yuanda Gao and Ren-Jye Shiue and Xuetao Gan and Luozhou Li and Cheng Peng and Inanc Meric and Lei Wang and Attila A. Szep and Dennis E. Walker and James C. Hone and Dirk R. Englund},
  journal={Nano letters},
  year={2015},
  volume={15 3},
  pages={
          2001-5
        }
}
Nanoscale and power-efficient electro-optic (EO) modulators are essential components for optical interconnects that are beginning to replace electrical wiring for intra- and interchip communications.1-4 Silicon-based EO modulators show sufficient figures of merits regarding device footprint, speed, power consumption, and modulation depth.5-11 However, the weak electro-optic effect of silicon still sets a technical bottleneck for these devices, motivating the development of modulators based on… 

Figures from this paper

Electro-optic polymer and silicon nitride hybrid spatial light modulators based on a metasurface.

This work utilizes a specially designed metasurface to support a relatively high quality resonance and simultaneously confine most of the incident light in the active EO polymer layer and may open an attractive route towards compact SLM with an RF modulation higher than 100 GHz.

High-Responsivity Graphene-Boron Nitride Photodetector and Autocorrelator in a Silicon Photonic Integrated Circuit.

An on-chip ultrafast photodetector based on a two-dimensional heterostructure consisting of high-quality graphene encapsulated in hexagonal boron nitride that enables optical on- chip autocorrelation measurements with picosecond-scale timing resolution and exceptionally low peak powers.

Surface-normal electro-optic spatial light modulator using graphene integrated on a high-contrast grating resonator.

Efficient optical modulation of surface-normal reflection in a novel device structure integrating graphene on a high contrast grating (HCG) resonator indicates that the integrated structure of graphene-on-HCG shows great promise for display, imaging and interconnects applications with low-cost and large scalability.

Graphene-based all-optical modulators

All-optical devices, which are utilized to process optical signals without electro-optical conversion, play an essential role in the next generation ultrafast, ultralow power-consumption optical

Switching of Photonic Crystal Lasers by Graphene.

On/off switching of single- and double-cavity photonic crystal lasers is demonstrated by electrical gating of a monolayer graphene sheet on top of photonic Crystal cavity by investigating the fundamental properties of graphene through the transmittance measurement and numerical simulations.

Mid-infrared electro-optic modulator based on a graphene-embedded plasmonic rib waveguide with ultrahigh electro-optic wavelength tuning.

The results show that propagation length of 103mm and figure of merit of 106 are obtained by adjusting the bias voltage applied to the graphene-embedded plasmonic rib waveguide by using the finite element method.

Continuous-wave quantum dot photonic crystal lasers grown on on-axis Si (001)

Monolithically grow quantum-dot-based photonic crystal membrane lasers directly on an on-axis silicon substrate to form the basis of future monolithic light sources for high-density optical interconnects in future large-scale silicon electronic and photonic integrated circuits.

Attojoule-efficient graphene optical modulators.

This study provides a critical and encompassing discussion of the physics and performance of graphene, providing a holistic analysis of the underlying physics of modulators including graphene's index tunability, the underlying optical mode, and resulting performance vectors for this novel class of hybrid modulators.

Hybrid/Integrated Silicon Photonics Based on 2D Materials in Optical Communication Nanosystems

The present study sets out to objectively measure the feasibility of the hybrid integration between Si photonics and 2D materials in on‐chip optical communications and the advanced applications beyond.

Emerging photonic architectures in two-dimensional opto-electronics.

By comparing and contrasting critical advantages of integrating nanophotonic elements with 2D materials, this review highlights the challenges and advantages of such opto-electronic devices.
...

References

SHOWING 1-10 OF 57 REFERENCES

A graphene-based broadband optical modulator

Graphene-based optical modulation mechanism, with combined advantages of compact footprint, low operation voltage and ultrafast modulation speed across a broad range of wavelengths, can enable novel architectures for on-chip optical communications.

High-contrast electrooptic modulation of a photonic crystal nanocavity by electrical gating of graphene.

High-contrast electro-optic modulation of a photonic crystal nanocavity integrated with an electrically gated monolayer graphene to enable a cavity-enhanced determination of graphene's complex optical sheet conductivity at different doping levels is demonstrated.

42.7 Gbit/s electro-optic modulator in silicon technology.

A highly conductive electron accumulation layer which is induced by an external DC "gate" voltage is introduced and demonstrated for the first time data encoding with an SOH electro-optic modulator.

A high-speed silicon optical modulator based on a metal–oxide–semiconductor capacitor

An approach based on a metal–oxide–semiconductor (MOS) capacitor structure embedded in a silicon waveguide that can produce high-speed optical phase modulation is described and an all-silicon optical modulator with a modulation bandwidth exceeding 1 GHz is demonstrated.

Micrometre-scale silicon electro-optic modulator

Electro-optic modulators are one of the most critical components in optoelectronic integration, and decreasing their size may enable novel chip architectures, and here a high-speed electro-optical modulator in compact silicon structures is experimentally demonstrated.

Strained silicon as a new electro-optic material

The strain-induced linear electro-optic effect may be used to remove a bottleneck in modern computers by replacing the electronic bus with a much faster optical alternative.

Electrical control of silicon photonic crystal cavity by graphene.

By electrostatic gating a single layer of graphene on top of a photonic crystal cavity, the cavity resonance can be changed significantly and the analysis shows that a graphene-photonic crystal device can potentially be useful for a high speed and low power absorptive and refractive modulator, while maintaining a small physical footprint.

High-Q photonic nanocavity in a two-dimensional photonic crystal

A silicon-based two-dimensional photonic-crystal slab is used to fabricate a nanocavity with Q = 45,000 and V = 7.0 × 10-14 cm3; the value of Q/V is 10–100 times larger than in previous studies, underlying the realization that light should be confined gently in order to be confined strongly.

Double-layer graphene optical modulator.

Benefited from the symmetrical band structure of graphene near Dirac point, such design eliminates the optical loss widely existing in silicon photonics and has advantages including small footprint, low energy consumption, and low insertion loss.

High-Performance Modulators and Switches for Silicon Photonic Networks-on-Chip

Experimental measurements on fabricated silicon photonic devices verify the feasibility of the proposed system architecture, while previous works have verified its efficacy.
...