Chip-scale frequency combs for data communications in computing systems

Author:

Okawachi YoshitomoORCID,Kim Bok YoungORCID,Lipson Michal1,Gaeta Alexander L.1

Affiliation:

1. Columbia University

Abstract

Recent developments in chip-based frequency-comb technology demonstrate that comb devices can be implemented in applications where photonic integration and power efficiency are required. The large number of equally spaced comb lines that are generated make combs ideal for use in communication systems, where each line can serve as an optical carrier to allow for massively parallel wavelength-division multiplexing (WDM) transmission. In this review, we summarize the developments in integrated frequency-comb technology for use as a WDM source for communication systems in data centers and high-performance computing systems. We highlight the following three approaches for chip-scale comb generation: semiconductor modelocked lasers, electro-optic combs, and Kerr frequency combs.

Funder

Defense Advanced Research Projects Agency

Advanced Research Projects Agency - Energy

Air Force Office of Scientific Research

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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