Qian Ma;Wanghua Zhu;Qichao Wang;Enze Zhou;Yaohui Sun;Guohua Hu;Binfeng Yun;Liguo Shuai;Yiping Cui
{"title":"基于LNOI平台的八通道混合波长/模分(De)多路复用器","authors":"Qian Ma;Wanghua Zhu;Qichao Wang;Enze Zhou;Yaohui Sun;Guohua Hu;Binfeng Yun;Liguo Shuai;Yiping Cui","doi":"10.1109/LPT.2025.3563510","DOIUrl":null,"url":null,"abstract":"Multi-dimensional multiplexing technology is pivotal for enhancing on-chip communication capacity. In this letter, we proposed and fabricated an 8-channel hybrid (de)multiplexer chip based on a lithium niobate on insulator (LNOI) platform, which can simultaneously implement mode-division multiplexing (MDM) and wavelength-division multiplexing (WDM). The proposed (de)multiplexer comprises a two-channel mode (de)multiplexer utilizing an asymmetric directional coupler (ADC) and a four-channel WDM (de)multiplexer employing a set of second-order microring resonator (MRR) arrays. To further increase the number of channels, the two ports of the mode demultiplexer are interconnected, thereby doubling the communication capacity while maintaining the same number of MRRs. Experimental results demonstrate that the device achieves intermode crosstalk below −10 dB with a multiplexing bandwidth of exceeding 50 nm. The adjacent channel crosstalk and the non-adjacent channel crosstalk of the multiplexer’s eight channels are below −13 dB and −27 dB, respectively, over a free spectral range (FSR) from 1556 to 1562 nm. This research paves new avenues in the field of multi-dimensional multiplexing techniques on the LNOI platform.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 13","pages":"741-744"},"PeriodicalIF":2.5000,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"An Eight-Channel Hybrid Wavelength-/Mode-Division (De)multiplexer Based on LNOI Platform\",\"authors\":\"Qian Ma;Wanghua Zhu;Qichao Wang;Enze Zhou;Yaohui Sun;Guohua Hu;Binfeng Yun;Liguo Shuai;Yiping Cui\",\"doi\":\"10.1109/LPT.2025.3563510\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Multi-dimensional multiplexing technology is pivotal for enhancing on-chip communication capacity. In this letter, we proposed and fabricated an 8-channel hybrid (de)multiplexer chip based on a lithium niobate on insulator (LNOI) platform, which can simultaneously implement mode-division multiplexing (MDM) and wavelength-division multiplexing (WDM). The proposed (de)multiplexer comprises a two-channel mode (de)multiplexer utilizing an asymmetric directional coupler (ADC) and a four-channel WDM (de)multiplexer employing a set of second-order microring resonator (MRR) arrays. To further increase the number of channels, the two ports of the mode demultiplexer are interconnected, thereby doubling the communication capacity while maintaining the same number of MRRs. Experimental results demonstrate that the device achieves intermode crosstalk below −10 dB with a multiplexing bandwidth of exceeding 50 nm. The adjacent channel crosstalk and the non-adjacent channel crosstalk of the multiplexer’s eight channels are below −13 dB and −27 dB, respectively, over a free spectral range (FSR) from 1556 to 1562 nm. This research paves new avenues in the field of multi-dimensional multiplexing techniques on the LNOI platform.\",\"PeriodicalId\":13065,\"journal\":{\"name\":\"IEEE Photonics Technology Letters\",\"volume\":\"37 13\",\"pages\":\"741-744\"},\"PeriodicalIF\":2.5000,\"publicationDate\":\"2025-04-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Photonics Technology Letters\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/10975029/\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Photonics Technology Letters","FirstCategoryId":"5","ListUrlMain":"https://ieeexplore.ieee.org/document/10975029/","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
An Eight-Channel Hybrid Wavelength-/Mode-Division (De)multiplexer Based on LNOI Platform
Multi-dimensional multiplexing technology is pivotal for enhancing on-chip communication capacity. In this letter, we proposed and fabricated an 8-channel hybrid (de)multiplexer chip based on a lithium niobate on insulator (LNOI) platform, which can simultaneously implement mode-division multiplexing (MDM) and wavelength-division multiplexing (WDM). The proposed (de)multiplexer comprises a two-channel mode (de)multiplexer utilizing an asymmetric directional coupler (ADC) and a four-channel WDM (de)multiplexer employing a set of second-order microring resonator (MRR) arrays. To further increase the number of channels, the two ports of the mode demultiplexer are interconnected, thereby doubling the communication capacity while maintaining the same number of MRRs. Experimental results demonstrate that the device achieves intermode crosstalk below −10 dB with a multiplexing bandwidth of exceeding 50 nm. The adjacent channel crosstalk and the non-adjacent channel crosstalk of the multiplexer’s eight channels are below −13 dB and −27 dB, respectively, over a free spectral range (FSR) from 1556 to 1562 nm. This research paves new avenues in the field of multi-dimensional multiplexing techniques on the LNOI platform.
期刊介绍:
IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.