Electro-optic Modulation Programmable Optical Frequency Comb based on Deep Learning

LI Hongda; ZHENG Ziang; MA Luojia; MA Yunjie; LI Peili

doi:10.13756/j.gtxyj.2024.220087

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Electro-optic Modulation Programmable Optical Frequency Comb based on Deep Learning

更新时间：2024-04-02

- Electro-optic Modulation Programmable Optical Frequency Comb based on Deep Learning
- Study on Optical Communications Issue 2, Pages: 22008701-22008707(2024)
- 作者机构：
  
  南京邮电大学　电子与光学工程学院、柔性电子（未来技术）学院，南京　210023
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2024.220087
  CLC： O433
- Published：10 April 2024，
  
  Received：20 January 2023，
  
  Revised：10 February 2023，
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李洪达，郑子昂，马洛嘉，等. 基于深度学习的电光调制型可编程光学频率梳[J].光通信研究，2024(2):220087.

Li H D, Zheng Z A, Ma L J, et al. Electro-optic Modulation Programmable Optical Frequency Comb based on Deep Learning [J]. Study on Optical Communications, 2024(2):220087.
李洪达，郑子昂，马洛嘉，等. 基于深度学习的电光调制型可编程光学频率梳[J].光通信研究，2024(2):220087. DOI： 10.13756/j.gtxyj.2024.220087.

Li H D, Zheng Z A, Ma L J, et al. Electro-optic Modulation Programmable Optical Frequency Comb based on Deep Learning [J]. Study on Optical Communications, 2024(2):220087. DOI： 10.13756/j.gtxyj.2024.220087.

摘要

【目的】

为了满足各种应用领域对高性能光学频率梳（OFC）的需求，特别是在宽带宽、高平坦度、中心波长和谱线间距等参数可以独立调节方面，文章提出了一种基于2次耦合射频（RF）信号来驱动单个双驱动马赫—曾德尔调制器（DDMZM）以产生OFC的方法。

【方法】

通过使用单个乘法器来生成2次耦合RF信号，不仅增加了所产生OFC的梳线数量，而且具有结构简单和成本低廉等优点。此外，为了进一步提高OFC的优化效率和性能，文章还采用了基于深度学习的逆向设计和分析方法。

【结果】

研究结果显示，基于构建级联网络的逆向设计能够在不到1 s的时间内找到目标OFC的对应参数。这种快速参数确定方法不仅可以实现梳线数量、OFC功率和梳线间隔的可编程性，还能生成具有1.769 dB平坦度的13线OFC。文章所提高效率设计方法为OFC的快速制备和应用提供了强大的支持。

【结论】

文章所提方案在OFC的生成技术中具有显著优势，特别是在性能、灵活性和优化效率方面表现卓越。文章所提基于2次耦合RF信号驱动DDMZM的OFC生成方法，不仅简化了系统结构，降低了成本，还通过深度学习的逆向设计方法大幅提高了设计效率。这些特点使得文章所提方案能够满足广泛的应用需求，尤其适用于需要快速、高效且灵活调节OFC参数的场合。

Abstract

【Objective】

To meet the diverse application demands for high-performance Optical Frequency Comb (OFC)

especially in terms of independently adjustable parameters like bandwidth

flatness

central wavelength

and spectral line spacing

a method based on secondary coupled Radio Frequency (RF) signals to drive a single Dual Drive Mach-Zehnder Modulator (DDMZM) for OFC generation is proposed.

【Methods】

Utilizing a single multiplier to generate the secondary RF coupled signals not only increases the number of comb lines produced by the OFC but also offers the advantages of a simple structure and low cost. Additionally

to further enhance the optimization efficiency and performance of the OFC

a deep learning-based inverse design and analysis approach is adopted.

【Results】

The study shows that the inverse design based on the constructed cascaded network can identify the corresponding parameters for the target OFC in less than one second. This rapid parameter determination method enables programmability of the number of comb lines

OFC power

and line spacing. It can also generate a 13-line OFC with a flatness of 1.769 dB. This efficient design method provides robust support for the rapid preparation and application of OFCs.

【Conclusion】

The proposed solution in this study demonstrates significant advantages in OFC generation technology

particularly in performance

flexibility

and optimization efficiency. The method of generating OFC through DDMZM driven by secondary coupled RF signals not only simplifies the system structure and reduces costs but also significantly improves design efficiency through the reverse design approach of deep learning. These characteristics make this solution suitable for a wide range of applications

especially in scenarios requiring quick

efficient

and flexible adjustment of OFC parameters.

关键词

光学频率梳深度学习逆向设计平坦度

Keywords

OFCdeep learninginverse designflatness

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