This paper highlights certain optical signal processing (OSP) functions that can be achieved when using optical frequency combs. An optical frequency comb can provide many narrow-linewidth, mutually coherent, and equidistant optical carriers, making it a potentially useful tool for facilitating efficient signal processing functions. In this paper, we explore the following general topics: (a) tailoring a comb for enhanced usability in OSP, such as inserting more lines, generating Nyquist pulse trains, and regenerating a comb at a distance; (b) achieving a tunable linear and nonlinear filter for correlation, equalization, and Volterra filtering, and (c) enabling various transmission and networking functions, such as multicasting, format conversion, and dynamic bandwidth allocation.

中文翻译：

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光频率梳辅助光信号处理

本文重点介绍了使用光频梳时可以实现的某些光信号处理 (OSP) 功能。光频梳可以提供许多窄线宽、相互相干和等距的光载波，使其成为促进高效信号处理功能的潜在有用工具。在本文中，我们探讨了以下一般主题： (a) 定制梳子以增强 OSP 中的可用性，例如插入更多行、生成奈奎斯特脉冲序列以及在远处重新生成梳子；(b) 实现用于相关、均衡和 Volterra 滤波的可调谐线性和非线性滤波器，以及 (c) 实现各种传输和网络功能，例如多播、格式转换和动态带宽分配。