Fully integrated electrically driven optical frequency comb at communication wavelength

To meet the high demand of data transmission capacity, optical communications systems have been developed. In order to increase the channel numbers for larger communication bandwidth, multi-mode lasers and laser arrays can be used. As an alternative coherent light source, optical frequency comb (OFC...

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Bibliographic Details
Published in:Nanophotonics (Berlin, Germany) Germany), 2022-06, Vol.11 (13), p.2989-3006
Main Authors: Li, Nanxi, Chen, Guanyu, Lim, Leh Woon, Ho, Chong Pei, Xue, Jin, Fu, Yuan Hsing, Lee, Lennon Y. T.
Format: Article
Language:English
Subjects:
Coherent light
Communications systems
Data communication
Data transmission
device
Four-wave mixing
frequency comb
Generators
integrated photonics
laser
Laser arrays
Laser mode locking
Lasers
Licenses
Light sources
nanophotonics
Optical communication
Optical frequency
Photonics
Review
Semiconductors
Spectrum analysis
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Summary:To meet the high demand of data transmission capacity, optical communications systems have been developed. In order to increase the channel numbers for larger communication bandwidth, multi-mode lasers and laser arrays can be used. As an alternative coherent light source, optical frequency comb (OFC) contains multi-wavelength signal, and hence enables communication with data stream of tens of terabit/s. Fully integrated electrically driven OFCs are expected as a compact, robust, and low-cost light source for data communication. In this review article, the recent development progress on fully integrated electrically driven OFC generators are reviewed, with focus on the demonstrations in the past five years. Based on comb generation approaches, the works are categorized into two main types: one is OFC generators based on four-wave mixing in high- resonator, and the other is OFC generators based on mode-locked laser. At the end, a summary and future outlook are provided.
ISSN:2192-8614
2192-8606
2192-8614
DOI:10.1515/nanoph-2022-0146