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Micromachines
Special Issues
Applications of Microfiber Devices
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Applications of Microfiber Devices

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A：Physics".

Deadline for manuscript submissions: closed (14 May 2024) | Viewed by 4010

Special Issue Editor

Dr. Man Jiang

E-Mail Website
Guest Editor
School of Physics, Northwest University, Xi'an 710127, China
Interests: 2-D materials; microfiber; modulator; fiber sensor; saturable absorber

Special Issue Information

Dear Colleagues,  

This Special Issue aims to collect the latest advances in both theoretical and experimental research of microfiber devices and recent developments in their applications. Authors are invited to submit their recent research results in all new microfiber devices and the application innovations of microfiber devices. All theoretical, numerical, and experimental papers are welcomed. The topics of this Special Issue include the following:

  • microfiber devices, including saturable absorbers based on microfiber functionalized by low-dimension nanomaterials, and application in fiber lasers to generate ultrashort laser pulse;
  • microfiber devices, including optical modulators based on microfiber and 2-D nanomaterials for modulating the amplitude, frequency, phase and so on of the input light;
  • optical sensors based on microfiber, such as pressure sensors, temperature sensors, etc. and the application of sensors in physics, biology and chemistry field;
  • analysis and simulation of the mechanisms in microfiber devices, including the interaction between evanescent field with matter, nonlinear optical process, the transmission of light in microfiber, evanescent field coupling mechanism and the distribution of the light field in the microfiber.

Micro-nano fiber has a wide application in optical communication, optical fiber sensing, optical fiber laser, optical amplification and optical modulation, other related microfiber devices and applications beside the above mentioned are all welcomed to submitted.

Dr. Man Jiang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • microfiber
  • modulator
  • fiber sensor
  • saturable absorber

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

12 pages, 8872 KiB  
Article
Novel Optical Kerr Switching Photonic Device Based on Nonlinear Carbon Material
by Ke Wang, Zhoufa Xie, Jianhua Ji, Yufeng Song, Bin Zhang and Zhenhong Wang
Micromachines 2023, 14(12), 2216; https://doi.org/10.3390/mi14122216 - 8 Dec 2023
Cited by 5 | Viewed by 1416
Abstract
In the context of current communication systems, there is an urgent demand for more efficient and higher-speed optical signal processing technologies. Researchers are actively exploring new materials and devices to harness nonlinear optical phenomena, seeking advancements in this field. Nonlinear carbon materials, especially [...] Read more.
In the context of current communication systems, there is an urgent demand for more efficient and higher-speed optical signal processing technologies. Researchers are actively exploring new materials and devices to harness nonlinear optical phenomena, seeking advancements in this field. Nonlinear carbon materials, especially promising 2D materials, have garnered attention for their potential interaction with light and have become integral to the development of all-optical signal processing devices. This study focuses on utilizing a photonic device based on a nonlinear Au/CB composite material for optical Kerr switching. The application of Au/CB as a nonlinear material in the Kerr switch represents a noteworthy advancement, demonstrating its capability to modulate optical signals. By appropriately applying a pump light, the study achieves optical Kerr switching with an extinction ratio of approximately 15 dB in the fully off state of the signal light carrying a 10 GHz analog signal, marking a pioneering achievement in the field to the best of our knowledge. The experimental results, encompassing extinction ratios, signal control, and stability, not only validate the feasibility of this technology but also underscore its potential applicability within optical communication systems. The successful modulation and control of a 10 GHz analog signal showcase the practicality and effectiveness of the Au/CB-based optical Kerr switch. This progress contributes to the continuous evolution of optical Kerr switching, a crucial component in modern optical communication systems. Therefore, we believe that the Au/CB-based optical Kerr switch is an exceptionally promising and stable all-optical signal processing device. As the contemporary communication landscape evolves, the integration of this technology holds the potential to enhance the efficiency and speed of optical signal processing. Full article
(This article belongs to the Special Issue Applications of Microfiber Devices)
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11 pages, 2379 KiB  
Article
Monolithic Saturable Absorber with Gallium Arsenide Nanowires Integrated on the Flexible Substrate for Optical Pulse Generation
by Yifan Zhao, He Yang, Vladislav Khayrudinov, Harri Lipsanen, Xinyang Su, Mei Qi, Baole Lu and Ningfang Song
Micromachines 2023, 14(9), 1702; https://doi.org/10.3390/mi14091702 - 30 Aug 2023
Cited by 2 | Viewed by 2180
Abstract
In this work, we demonstrated a kind of flexibly monolithic saturable absorber (SA) with GaAs nanowires (NWs) on polyimide (PI) plastic substrate for broadband optical modulation at 1.0 and 1.5 µm, separately. The monolithic SA sample was prepared by the metalorganic vapor phase [...] Read more.
In this work, we demonstrated a kind of flexibly monolithic saturable absorber (SA) with GaAs nanowires (NWs) on polyimide (PI) plastic substrate for broadband optical modulation at 1.0 and 1.5 µm, separately. The monolithic SA sample was prepared by the metalorganic vapor phase epitaxy (MOVPE) method. The crystal structure and element analysis were examined carefully by high-resolution scanning transmission electron microscopy (HRSTEM) and energy-dispersive X-ray spectroscopy (EDX). We observed a high-density distribution of NWs on the flexible substrate by scanning electron microscopy (SEM). In addition, linear and nonlinear optical properties of the sample were examined by testing the photoluminescence and absorption properties, which showed its potential application as an optical switch due to the pure semiconducting properties. After the characterizations, we experimentally demonstrated this monolithic SA for laser modulation at 1.0 and 1.5 µm, which yielded the minimum optical pulse widths of 1.531 and 6.232 µs, respectively. Our work demonstrated such a kind of monolithic flexible NW substrate-integrated device used for broadband optical modulation, which not only eased the integration process of NWs onto the fiber endface, but also proved the potential of easily integrating with more semiconducting nanomaterials (e.g., graphene, MoS2, …) to realize monolithic active flexible photonic systems, such as a microscale phase modulator, delay-line, and so on, paving an easy avenue for the development of both active and flexible photonic devices. Full article
(This article belongs to the Special Issue Applications of Microfiber Devices)
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