Abstract

Silicon photonics has experienced phenomenal transformations over the last decade. In this paper, we present some of the notable advances in silicon-based passive and active optical interconnect components, and highlight some of our key contributions. Light is also cast on few other parallel technologies that are working in tandem with silicon-based structures, and providing unique functions not achievable with any single system acting alone. With an increasing utilization of CMOS foundries for silicon photonics fabrication, a viable path for realizing extremely low-cost integrated optoelectronics has been paved. These advances are expected to benefit several application domains in the years to come, including communication networks, sensing, and nonlinear systems.

Highlights

  • Copper based electrical interconnects have dominated short-range communication links for over four decades

  • The increasing availability of complementary metal-oxide-semiconductor (CMOS) photonic foundries, development of component libraries, and integration capability with microelectronics promises low-cost development of devices compared to other material technologies [6]

  • We aim to provide an overview of recent progress in silicon based passive and active optical interconnect components, and highlight some of our research contributions

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Summary

Introduction

Copper based electrical interconnects have dominated short-range communication links for over four decades. We aim to provide an overview of recent progress in silicon based passive and active optical interconnect components, and highlight some of our research contributions. An entire plethora of different components fall under the umbrella of silicon photonics, we will discuss some of the basic “building block” devices, including fiber-to-chip light couplers, power splitters, optical modulators, and photodetectors.

Passive optical interconnect components
Power dividers
Polarization splitters
Waveguide crossings
Optical filters
Optical switch
Optical modulators
Photodetectors
Complementary technologies on silicon platform
Findings
Concluding remarks
Full Text
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