All-optical wavelet-based orthogonal frequency division multiplexing system based on silicon photonic integrated components

Yosef Ben Ezra; Avinoam Zadok; Ran Califa; Dvir Munk; Boris I. Lembrikov

doi:10.1049/iet-opt.2015.0064

All-optical wavelet-based orthogonal frequency division multiplexing system based on silicon photonic integrated components

Yosef Ben Ezra, Avinoam Zadok, Ran Califa, Dvir Munk, Boris I. Lembrikov

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

In this study, the authors discuss in detail the implementation of all-optical orthogonal frequency-division multiplexing system based on discrete wavelet packet transform (DWPT) by using silicon-on-insulator (SOI) cascaded Mach-Zehnder interferometers (MZIs). DWPT can be used in the multiplexing and de-multiplexing of data channels in coherent optical communication in order to improve spectral efficiency excluding a cyclic prefix. DWPT and inverse-DWPT may be realised in an integrated-photonic MZI platform. They demonstrated experimentally the post-fabrication tuning of 1 × 4 cascaded MZI de-multiplexing filters. Tuning procedures effectively overcome fabrication tolerances and meet the target transfer function of the devices. The fabrication platform represents an essential stepping-stone toward the all-optical realisation of DWPT-based multiplexing.

Original language	English
Pages (from-to)	44-50
Number of pages	7
Journal	IET Optoelectronics
Volume	10
Issue number	2
DOIs	https://doi.org/10.1049/iet-opt.2015.0064
State	Published - 1 Apr 2016

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© The Institution of Engineering and Technology.

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abstract = "In this study, the authors discuss in detail the implementation of all-optical orthogonal frequency-division multiplexing system based on discrete wavelet packet transform (DWPT) by using silicon-on-insulator (SOI) cascaded Mach-Zehnder interferometers (MZIs). DWPT can be used in the multiplexing and de-multiplexing of data channels in coherent optical communication in order to improve spectral efficiency excluding a cyclic prefix. DWPT and inverse-DWPT may be realised in an integrated-photonic MZI platform. They demonstrated experimentally the post-fabrication tuning of 1 × 4 cascaded MZI de-multiplexing filters. Tuning procedures effectively overcome fabrication tolerances and meet the target transfer function of the devices. The fabrication platform represents an essential stepping-stone toward the all-optical realisation of DWPT-based multiplexing.",

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AU - Lembrikov, Boris I.

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All-optical wavelet-based orthogonal frequency division multiplexing system based on silicon photonic integrated components

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