期刊
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
卷 29, 期 6, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSTQE.2023.3253846
关键词
Optical attenuators; Optical fiber networks; Optical signal processing; Optical network units; Optical modulation; Optical polarization; Optical interconnections; Optical fiber communications; optical signal processing; nonlinear optics; optical parametric amplifiers; parametric amplifiers
This paper introduces and reviews the advances of optical format conversion technologies, focusing on the format conversions between one dimensional and two dimensional constellation signals. The important enabling technologies for flexible constellation manipulation, including linear and nonlinear optical effects-based functions, are detailed. The key format conversion researches in four categories, including one-to-one conversions, optical aggregations, optical de-aggregations, and optical interconversions, are reviewed. Finally, the current issue and future trend of this research field are analyzed and discussed.
Optical format conversion technologies have attracted a lot of attention to bridge the different optical networks employing different formats. In this paper, the advances of optical format conversion technologies are introduced and reviewed. Through analyzing the optical network architecture and modulation technology development, we focus on the format conversions between the signals with one dimensional and two dimensional constellations. The important enabling technologies for flexible constellation manipulation are introduced in detail, including the linear and nonlinear optical effects-based functions. Then the key format conversion researches are reviewed in four categories: one-to-one conversions, optical aggregations, optical de-aggregations, and optical interconversions. Finally, the current issue and future trend of this research field is analyzed and discussed.
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