Photonic Devices for Optical Signal Processing

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 1779

Special Issue Editors


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Guest Editor
Department of Electronic Engineering, Center for Advanced Research in Photonics, The Chinese University of Hong Kong, Shatin, Hong Kong
Interests: silicon photonics; nonlinear optics; optical signal processing; optical communication

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Co-Guest Editor
Institute of Optical Communication Materials, South China University of Technology, Guangzhou, China
Interests: fiber laser; optical signal processing; fiber sensing; optical precision measurement

Special Issue Information

Dear Colleagues,

Recent progress in the field of photonic devices helps to establish new prospects in optical signal processing which appear to have impressive performance in the areas of optical/RF communications, quantum communications, optical computing, and optical sensing. Optical signal processing offers different degrees of freedom in multiple dimensions of light waves, i.e., amplitude, phase, wavelength, polarization, and space. This Special Issue invites manuscript submissions in the area of “Photonic Devices for Optical Signal Processing”. This Special Issue seeks to highlight the recent advances and trends in developing state-of-the-art techniques in optical signal processing. Areas of interest include, but are not limited to, the following:

  • Nonlinear photonic devices in photonic integrated circuits, semiconductor devices, novel material platforms, and highly nonlinear fibers;
  • Progress on nonlinear optical sources (optical frequency combs; mode-locked lasers and supercontinuum; and applications in optical communications, data centers, and sensing);
  • Photonic-based time–frequency techniques and Fourier techniques for communications and information processing;
  • Ultrafast optical switching for optical communication networks, optical computing systems, and quantum information processing;
  • Reconfigurable and programmable photonic systems and subsystems for monitoring and controlling the optical signals.

Dr. Yuanfei Zhang
Dr. Qilai Zhao
Guest Editors

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Keywords

  • optical signal processing
  • integrated optics
  • nonlienar optics
  • fiber optics
  • optical communication
  • optical fibers and devices

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Published Papers (1 paper)

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Research

15 pages, 2070 KiB  
Article
A Semi-Analytical Method for the S-Parameter Calculations of an N × M Multimode Interference Coupler
by Dmitrii Moskalev, Andrei Kozlov, Uliana Salgaeva, Victor Krishtop, Anatolii V. Perminov and Vladimir Venediktov
Photonics 2023, 10(11), 1260; https://doi.org/10.3390/photonics10111260 - 14 Nov 2023
Cited by 2 | Viewed by 1420
Abstract
A semi-analytical method for the S-parameter calculations of an N×M multimode interference coupler (MMI coupler) is presented. The proposed semi-analytical method is based on the mode decomposition and utilizes an effective index method to approximate the channel waveguide using an equivalent [...] Read more.
A semi-analytical method for the S-parameter calculations of an N×M multimode interference coupler (MMI coupler) is presented. The proposed semi-analytical method is based on the mode decomposition and utilizes an effective index method to approximate the channel waveguide using an equivalent slab waveguide whose modes are described by exact analytic expressions. In comparison to the commonly used beam propagation method (BPM) and finite difference time domain method, which require significant time and computational resources, the proposed method accelerates the design process of photonic integrated circuits and basic building blocks such as an MMI coupler. The simulation results obtained using the developed method and the BPM were compared and showed very similar outcomes for different topologies of the MMI coupler. The key advantage of the proposed semi-analytical method over other analytical models is its ability to accurately simulate MMI couplers with an arbitrary position and number of input and output waveguides. In addition, this method can be extended using the theory of local coupled modes by taking into account the reflections from the end face of the MMI box. Full article
(This article belongs to the Special Issue Photonic Devices for Optical Signal Processing)
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