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Photonics
Special Issues
Design and Applications of Optical Amplifiers
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Design and Applications of Optical Amplifiers

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

Deadline for manuscript submissions: closed (1 April 2024) | Viewed by 2081

Special Issue Editor

Dr. Vladimir A. Kamynin

E-Mail Website
Guest Editor
Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov St., 119991 Moscow, Russia
Interests: optical amplifiers; fiber laser; supercontinuum

Special Issue Information

Dear Colleagues,

Trying to imagine a complex laser system without an amplifier or amplifier cascades is now impossible. These optical devices are in great demand, both in continuous wave systems and in ultrashort pulsed sources. Fibre optic amplifiers have become one of the basic elements of the modern worldwide telecommunications system, and powerful solid-state amplifiers have made it possible to use lasers to ignite nuclear fusion. For these reasons, the design of optical amplifiers is a crucial area from both scientific and technical points of view.

Furthermore, it is well known that the development of optical amplifiers can include the suppression of nonlinear effects such as stimulated Brillion or Raman scattering or mode instability. And besides amplification media, amplifiers also come in the form of media for nonlinear conversion. As a result, the output radiation can be controlled according to the gain level of the amplifier. For this reason, many scientific groups are working on developing new amplifying optical materials and investigating nonlinear effects, gain saturation effects, thermo-optical effects, etc.

This Special Issue on "Design and Applications of Optical Amplifiers" will welcome fundamental, experimental, and applied cutting-edge research in the form of both regular articles and reviews concerning the following:
  • Fiber amplifiers;
  • Solid-state amplifiers;
  • Hybrid amplification system;
  • Nonlinear effects in optical amplifiers;
  • New optical materials;
  • Supercontinuum generation;
  • Stimulated Brillouin scattering;
  • Stimulated Raman scattering.

Dr. Vladimir A. Kamynin
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. Photonics 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 2400 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

  • fiber amplifiers
  • solid-state amplifiers
  • nonlinear effects in optical amplifiers
  • new optical materials
  • supercontinuum generation
  • stimulated Brillouin scattering
  • stimulated Raman scattering

Published Papers (2 papers)

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Research

28 pages, 5915 KiB  
Article
A Comprehensive Study on Phase Sensitive Amplification and Stimulated Brillouin Scattering in Nonlinear Fibers with Longitudinally Varying Dispersion
by Debanuj Chatterjee, Sugeet Sunder, Mrudula Krishna, Suchita Yadav, Alexej Sysoliatin, Konstantin Gochelashvili, Sergey Semjonov, Deepa Venkitesh and Andrey Konyukhov
Photonics 2024, 11(1), 3; https://doi.org/10.3390/photonics11010003 - 20 Dec 2023
Viewed by 902
Abstract
Fiber optic parametric and phase sensitive amplifiers (PSA) are interesting for modern day communication technologies due to their low noise and high gain amplification properties with a potential for all optical signal processing and wide band operation. PSAs are typically employed in either [...] Read more.
Fiber optic parametric and phase sensitive amplifiers (PSA) are interesting for modern day communication technologies due to their low noise and high gain amplification properties with a potential for all optical signal processing and wide band operation. PSAs are typically employed in either a single pump or dual pump configuration. In this article we explore the utilities of both configurations, however considering a fiber with a longitudinally varying dispersion profile. For the single pump case, PSA operation at large pump-signal detunings, that arise due to the longitudinal dispersion variation, were studied numerically, and recipes of using the system as a wide band wavelength selective filter were laid out. For the dual-pump case, emphasis was laid on achieving a larger signal gain, by reducing stimulated Brillouin scattering (SBS) that prevents large pump power transport through the nonlinear fiber. First, the effects of dispersion variation on the gain of a dual pump PSA were studied analytically and numerically in order to optimize the dispersion variation profile, neglecting SBS processes. Then we independently studied the SBS dynamics of the system numerically. A sinusoidally dispersion oscillating fiber (DOF) was found to be an optimal candidate with respect to its PSA and SBS performances. To establish this claim, we also experimentally compared the performance of an available DOF over a standard highly nonlinear fiber (HNLF) that has a constant dispersion profile and established its utility for designing a high gain PSA system, thanks to the SBS mitigation due to the longitudinal dispersion variation of the fiber. Full article
(This article belongs to the Special Issue Design and Applications of Optical Amplifiers)
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9 pages, 1994 KiB  
Communication
Dual-Stage Double-Pass Extended L-Band Erbium-Doped Fiber Amplifier with Improved Gain Performance
by Haoxian Lao, Jiyu Ruan, Manbing Lin, Li Zhong, Song Wang, Pengbai Xu and Xinyong Dong
Photonics 2023, 10(11), 1266; https://doi.org/10.3390/photonics10111266 - 16 Nov 2023
Viewed by 950
Abstract
Extended L-band erbium-doped fiber amplifiers (EDFAs) have attracted much attention in recent years despite their relatively low gain levels. In this paper, a dual-stage extended L-band EDFA with improved gain level is demonstrated by using an Er/Yb/P co-doped fiber-based double-pass structure assisted by [...] Read more.
Extended L-band erbium-doped fiber amplifiers (EDFAs) have attracted much attention in recent years despite their relatively low gain levels. In this paper, a dual-stage extended L-band EDFA with improved gain level is demonstrated by using an Er/Yb/P co-doped fiber-based double-pass structure assisted by a low noise pre-amplifier. High gain levels of up to 48.79 dB at 1566 nm and 20.05 dB at 1621.4 nm are achieved with saturated output power at 1605 nm of 20.58 dBm under a total pump power of only 400 mW. Bandwidths with the gain of more than 20 and 30 dB are reached up to 66 nm (1555.4–1621.4 nm) and 58.4 nm (1557.5–1615.9 nm), respectively. The noise figure benefited by using the low noise pre-amplifier is 5.40 ± 1.55 dB in the 1565–1610 nm range. The wide gain bandwidth, high gain level and relatively low pump power give it great potential for future high-capacity optical fiber communication systems. Full article
(This article belongs to the Special Issue Design and Applications of Optical Amplifiers)
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