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

IF 3.3 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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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.