Conceptual design of multimode interference-based photonic crystal Mach-Zehnder interferometer (de)interleavers

IF 4 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Optical and Quantum Electronics Pub Date : 2025-02-14 DOI:10.1007/s11082-024-08021-y

Masoud Kamran, Kambiz Abedi

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Abstract

In this paper, we propose a novel and general approach for designing flat-top (de)multiplexers, particularly (de)interleavers, utilizing a Photonic Crystal Mach-Zehnder Interferometer (PC-MZI) based on multimode interference (MMI). We demonstrate the design and performance of 4-, 6-, 8-, and 16-channel PC-MZI (de)interleavers with minimal loss, low crosstalk, and a flat-top transmission spectrum achieved through a hexagonal photonic crystal structure. Simulation results at a central wavelength of 1.55 µm reveal 1 dB and 3 dB bandwidths of 3.3 nm and 7 nm for the 4-channel, 8.1 nm and 14 nm for the 6-channel, and 2.5 nm and 4.3 nm for the 16-channel (de)interleavers, respectively. Furthermore, the 16-channel device exhibits channel spacing of 11 nm between adjacent channels and 22 nm for non-adjacent channels separated by one intervening channel. Finally, we achieve power losses ranging from 0.05 dB to 3 dB and channel isolation between − 10 dB and − 22 dB.

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基于多模干涉的光子晶体马赫-曾德尔干涉仪交织器的概念设计

在本文中，我们提出了一种新的和通用的方法来设计平顶（去）多路复用器，特别是（去）交织器，利用光子晶体马赫-曾德干涉仪（PC-MZI）基于多模干涉（MMI）。我们展示了4通道、6通道、8通道和16通道PC-MZI （de）交织器的设计和性能，这些交织器具有最小损耗、低串扰和通过六边形光子晶体结构实现的平顶传输频谱。仿真结果显示，在1.55µm的中心波长下，4通道的1 dB和3 dB带宽分别为3.3 nm和7 nm， 6通道的8.1 nm和14 nm， 16通道（de）交织器的2.5 nm和4.3 nm。此外，该16通道器件在相邻通道之间的通道间距为11 nm，对于由一个中间通道分隔的非相邻通道，其通道间距为22 nm。最后，我们实现了0.05 dB至3db的功率损耗和−10 dB至−22 dB之间的通道隔离。

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来源期刊

Optical and Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.60

自引率

20.00%

发文量

810

审稿时长

3.8 months

期刊介绍： Optical and Quantum Electronics provides an international forum for the publication of original research papers, tutorial reviews and letters in such fields as optical physics, optical engineering and optoelectronics. Special issues are published on topics of current interest. Optical and Quantum Electronics is published monthly. It is concerned with the technology and physics of optical systems, components and devices, i.e., with topics such as: optical fibres; semiconductor lasers and LEDs; light detection and imaging devices; nanophotonics; photonic integration and optoelectronic integrated circuits; silicon photonics; displays; optical communications from devices to systems; materials for photonics (e.g. semiconductors, glasses, graphene); the physics and simulation of optical devices and systems; nanotechnologies in photonics (including engineered nano-structures such as photonic crystals, sub-wavelength photonic structures, metamaterials, and plasmonics); advanced quantum and optoelectronic applications (e.g. quantum computing, memory and communications, quantum sensing and quantum dots); photonic sensors and bio-sensors; Terahertz phenomena; non-linear optics and ultrafast phenomena; green photonics.