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arXiv 2606.20004physics.optics
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面向高维直接检测光通信的统一资源池架构

A unified resource-pool architecture for high-dimensional direct-detection optical communication

School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology（华中科技大学光学与电子信息学院及武汉光电国家研究中心）；School of Future Technology, Huazhong University of Science and Technology（华中科技大学未来技术学院）；Department of Electronics and Nanoengineering, Aalto University（阿尔托大学电子与纳米工程系）；State Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze Optica Fibre and Cable Joint Stock Limited Company（长飞光纤光缆股份有限公司光纤光缆制造技术国家重点实验室）；Hubei Optical Fundamental Research Centre（湖北光学原始技术研究中心）

Jingze Liu, Zhijuan Gu, Xinyang Yu, Ziwen Zhou, Zhuyixiao Liu, Mingming Zhang, Yuxuan Xiong, Peng Li, Zhongyao Luo1, Jiajie Yuan, Hao Wu, Zhipei Sun, Siqi Yan, Yu Yu, Ming Tang

备注：
24 pages, 5 figures
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AI总结：

提出统一资源池架构，将波长、偏振和强度联合组织为复合光符号空间，通过集成无序光子处理器实现光学域联合投影，在双波长实验中实现12比特/符号传输，误码率4.25e-4。

摘要：

在不比例增加接收机复杂度的情况下提高光通信容量仍然是直接检测链路的关键挑战。传统系统通常将波长、偏振和强度分配给固定的、单独恢复的功能，因此字母表扩展伴随着额外的解复用、偏振处理、接收分支和电子处理。这里我们介绍一种用于高维直接检测光通信的统一资源池架构，其中波长、偏振和强度被联合组织为一个复合光符号空间，并通过光学域联合投影而非逐维分离来恢复。接收机采用集成无序光子处理器实现，该处理器将每个复合光学状态转换为可重复的多输出电指纹，用于单次直接恢复。在双波长传输实验中，系统分辨出4096个复合符号，对应每个符号时隙12比特，经过10公里标准光纤传输后误码率为4.25e-4。额外实验展示了密集偏振字母表、波长索引状态空间扩展以及空芯光纤上的高发射功率操作。这些结果确立了集成光子处理器中无序使能的联合投影，作为超越传统维度划分接收机架构的硬件高效高维直接检测通信的途径。

英文摘要：

Increasing optical communication capacity without proportionally increasing receiver complexity remains a key challenge for direct-detection links. Conventional systems typically assign wavelength, polarization and intensity to fixed, separately recovered functions, so that alphabet expansion is accompanied by additional demultiplexing, polarization handling, receiver branches and electronic processing. Here we introduce a unified resource-pool architecture for high-dimensional direct-detection optical communication, in which wavelength, polarization and intensity are jointly organized as a composite optical symbol space and recovered through optical-domain joint projection rather than dimension-by-dimension separation. The receiver is implemented with an integrated disordered photonic processor that transforms each composite optical state into a reproducible multi-output electrical fingerprint for single-shot direct recovery. In a dual-wavelength transmission experiment, the system resolves 4096 composite symbols, corresponding to 12 bits per symbol slot, with a bit error rate of 4.25e-4 after 10 km standard-fiber transmission. Additional experiments demonstrate dense polarization alphabets, wavelength-indexed state-space expansion and high-launch-power operation over hollow-core fiber. These results establish disorder-enabled joint projection in an integrated photonic processor as a route to hardware-efficient high-dimensional direct-detection communication beyond conventional dimension-partitioned receiver architecture.

机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。

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