Advances in Soliton Crystal Microcombs
Soliton crystal microcombs, as a new type of Kerr frequency comb, offer advantages such as higher energy conversion efficiency and a simpler generation mechanism compared to those of traditional soliton microcombs. They have a wide range of applications in fields like microwave photonics, ultra-high...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-12-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/11/12/1164 |
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| author | Zhihui Liu Haoran Zhang Yuhang Song Xiaotian Zhu Caitlin E. Murray Yunping Bai Mengxi Tan Sai T. Chu David J. Moss Xingyuan Xu Kun Xu |
| author_facet | Zhihui Liu Haoran Zhang Yuhang Song Xiaotian Zhu Caitlin E. Murray Yunping Bai Mengxi Tan Sai T. Chu David J. Moss Xingyuan Xu Kun Xu |
| author_sort | Zhihui Liu |
| collection | DOAJ |
| description | Soliton crystal microcombs, as a new type of Kerr frequency comb, offer advantages such as higher energy conversion efficiency and a simpler generation mechanism compared to those of traditional soliton microcombs. They have a wide range of applications in fields like microwave photonics, ultra-high-speed optical communication, and photonic neural networks. In this review, we discuss the recent developments regarding soliton crystal microcombs and analyze the advantages and disadvantages of generating soliton crystal microcombs utilizing different mechanisms. First, we briefly introduce the numerical model of optical frequency combs. Then, we introduce the generation schemes for soliton crystal microcombs based on various mechanisms, such as utilizing an avoided mode crossing, harmonic modulation, bi-chromatic pumping, and the use of saturable absorbers. Finally, we discuss the progress of research on soliton crystal microcombs in the fields of microwave photonics, optical communication, and photonic neural networks. We also discuss the challenges and perspectives regarding soliton crystal microcombs. |
| format | Article |
| id | doaj-art-9ed4dc934ead402f97f25ad1ae6faae8 |
| institution | OA Journals |
| issn | 2304-6732 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj-art-9ed4dc934ead402f97f25ad1ae6faae82025-08-20T02:01:13ZengMDPI AGPhotonics2304-67322024-12-011112116410.3390/photonics11121164Advances in Soliton Crystal MicrocombsZhihui Liu0Haoran Zhang1Yuhang Song2Xiaotian Zhu3Caitlin E. Murray4Yunping Bai5Mengxi Tan6Sai T. Chu7David J. Moss8Xingyuan Xu9Kun Xu10State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaDepartment of Physics, City University of Hong Kong, Tat Chee Avenue, Hong Kong, ChinaPhotonic Communications Laboratory, Department Electrical and Computer Systems Engineering, Monash University, Melbourne, VIC 3800, AustraliaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaSchool of Electronic and Information Engineering, Beihang University, Beijing 100191, ChinaDepartment of Physics, City University of Hong Kong, Tat Chee Avenue, Hong Kong, ChinaOptical Sciences Center, Swinburne University of Technology, Hawthorn, VIC 3122, AustraliaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaSoliton crystal microcombs, as a new type of Kerr frequency comb, offer advantages such as higher energy conversion efficiency and a simpler generation mechanism compared to those of traditional soliton microcombs. They have a wide range of applications in fields like microwave photonics, ultra-high-speed optical communication, and photonic neural networks. In this review, we discuss the recent developments regarding soliton crystal microcombs and analyze the advantages and disadvantages of generating soliton crystal microcombs utilizing different mechanisms. First, we briefly introduce the numerical model of optical frequency combs. Then, we introduce the generation schemes for soliton crystal microcombs based on various mechanisms, such as utilizing an avoided mode crossing, harmonic modulation, bi-chromatic pumping, and the use of saturable absorbers. Finally, we discuss the progress of research on soliton crystal microcombs in the fields of microwave photonics, optical communication, and photonic neural networks. We also discuss the challenges and perspectives regarding soliton crystal microcombs.https://www.mdpi.com/2304-6732/11/12/1164soliton microcombssoliton crystal microcombsmicrowave photonicsoptical communicationphotonic neural networks |
| spellingShingle | Zhihui Liu Haoran Zhang Yuhang Song Xiaotian Zhu Caitlin E. Murray Yunping Bai Mengxi Tan Sai T. Chu David J. Moss Xingyuan Xu Kun Xu Advances in Soliton Crystal Microcombs Photonics soliton microcombs soliton crystal microcombs microwave photonics optical communication photonic neural networks |
| title | Advances in Soliton Crystal Microcombs |
| title_full | Advances in Soliton Crystal Microcombs |
| title_fullStr | Advances in Soliton Crystal Microcombs |
| title_full_unstemmed | Advances in Soliton Crystal Microcombs |
| title_short | Advances in Soliton Crystal Microcombs |
| title_sort | advances in soliton crystal microcombs |
| topic | soliton microcombs soliton crystal microcombs microwave photonics optical communication photonic neural networks |
| url | https://www.mdpi.com/2304-6732/11/12/1164 |
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