16-Channel Hybrid WDM-PDM-MDM (de) Multiplexer for Multi-Band Large-Capacity Optical Transmission System Based on Thick Si$_{3}$N$_{4}$ Platform

IF 2.1 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Photonics Journal Pub Date : 2024-07-11 DOI:10.1109/JPHOT.2024.3426933
Deyue Ma;Xiwen He;Chen Zhou;Mingyue Xiao;Jiqiao Liu;Weibiao Chen;Zhiping Zhou
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Abstract

We propose a novel design of hybrid multi-band wavelength/polarization/mode (de)multiplexer based on 800 nm thick Si $_{3}$ N $_{4}$ platform. The 16 channels are enabled by asymmetric rib polarization beam splitters, subwavelength polarization rotators and asymmetric directional couplers, consisting of two operating frequency bands, dual polarization and four transmission modes (2 $\times 2\times$ 4). A broad bandwidth range from 930 nm to 1600 nm is supported simultaneously on a same chip. This chip can achieve low insertion loss and crosstalk in the 100 nm range near the center wavelength (1550 nm and 980 nm). Our results demonstrate that all channels of the (de)multiplexer have an average insertion loss of less than −1.1 dB. In addition, the crosstalk in the same band is less than −20 dB, while less than −15 dB in different frequency bands. This hybrid (de)multiplexer chip has a great potential for application in multi-band large-capacity optical communication systems, especially in integrated multi-band (de)multiplexing systems.
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基于厚硅 $_{3}$ N$_{4}$ 平台的多波段大容量光传输系统的 16 通道混合波分复用-波分复用-波分复用(de)复用器
我们提出了一种基于 800 nm 厚 Si$_{3}$N$_{4}$ 平台的新型混合多波段波长/偏振/模式(去)复用器设计。通过非对称肋偏振分束器、亚波长偏振旋转器和非对称定向耦合器实现了 16 个通道,包括两个工作频段、双偏振和四种传输模式(2×2×4)。同一芯片可同时支持从 930 纳米到 1600 纳米的宽带宽范围。该芯片可在中心波长(1550 nm 和 980 nm)附近 100 nm 范围内实现低插入损耗和低串扰。我们的研究结果表明,(去)多路复用器的所有通道的平均插入损耗均小于 -1.1 dB。此外,同一频段的串扰小于-20 dB,而不同频段的串扰小于-15 dB。这种混合(去)多路复用器芯片在多频段大容量光通信系统,特别是集成多频段(去)多路复用系统中具有巨大的应用潜力。
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来源期刊
IEEE Photonics Journal
IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS
CiteScore
4.50
自引率
8.30%
发文量
489
审稿时长
1.4 months
期刊介绍: Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.
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