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Optoelectronic Devices: Design, Fabrication, Characterization, Application and Challenges
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Optoelectronic Devices: Design, Fabrication, Characterization, Application and Challenges

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Optical and Photonic Materials".

Deadline for manuscript submissions: 20 July 2024 | Viewed by 3427

Special Issue Editors

Prof. Dr. Wei Lu

E-Mail Website
Guest Editor
State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
Interests: optoelectronics; semiconductor; solid-state spectroscopy
Dr. Yanru Song

E-Mail Website
Guest Editor
ShanghaiTech University Quantum Device Lab, ShanghaiTech University, Shanghai, China
Interests: superconductor optoelectronic detector; infrared; X-ray

Special Issue Information

Dear Colleagues,

Optoelectronic devices encompass a diverse and growing field of study, focusing on the interaction between light and electronics, spanning from gamma rays to microwaves. The domain of optoelectronics capitalizes on quantum mechanical effects, with applications ranging from traditional semiconductor devices to novel technologies such as superconducting devices.

This Special Issue of Materials is dedicated to the exploration of optoelectronic devices, covering aspects including the design, fabrication, characterization, applications, and challenges associated with these cutting-edge technologies. Our goal is to provide a platform for researchers to showcase their most recent work, foster inspiration and collaboration, and facilitate networking within the research community.

As a prominent contributor to this field, we cordially invite you to share your latest research in this Special Issue. In addition, we welcome review papers that address pertinent topics. We look forward to your contributions and the opportunity to advance this exciting area of research together.

Best regards,

Prof. Dr. Wei Lu
Dr. Yanru Song
Guest Editors

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. Materials is an international peer-reviewed open access semimonthly 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 2600 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

  • optoelectronic device
  • microwave
  • infrared
  • visible light
  • X-ray
  • gamma-ray

Published Papers (4 papers)

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Research

12 pages, 1216 KiB  
Article
Wafer-Scale Periodic Poling of Thin-Film Lithium Niobate
by Mengwen Chen, Chenyu Wang, Xiao-Hui Tian, Jie Tang, Xiaowen Gu, Guang Qian, Kunpeng Jia, Hua-Ying Liu, Zhong Yan, Zhilin Ye, Zhijun Yin, Shi-Ning Zhu and Zhenda Xie
Materials 2024, 17(8), 1720; https://doi.org/10.3390/ma17081720 - 9 Apr 2024
Viewed by 684
Abstract
Periodically poled lithium niobate on insulator (PPLNOI) offers an admirably promising platform for the advancement of nonlinear photonic integrated circuits (PICs). In this context, domain inversion engineering emerges as a key process to achieve efficient nonlinear conversion. However, periodic poling processing of thin-film [...] Read more.
Periodically poled lithium niobate on insulator (PPLNOI) offers an admirably promising platform for the advancement of nonlinear photonic integrated circuits (PICs). In this context, domain inversion engineering emerges as a key process to achieve efficient nonlinear conversion. However, periodic poling processing of thin-film lithium niobate has only been realized on the chip level, which significantly limits its applications in large-scale nonlinear photonic systems that necessitate the integration of multiple nonlinear components on a single chip with uniform performances. Here, we demonstrate a wafer-scale periodic poling technique on a 4-inch LNOI wafer with high fidelity. The reversal lengths span from 0.5 to 10.17 mm, encompassing an area of ~1 cm2 with periods ranging from 4.38 to 5.51 μm. Efficient poling was achieved with a single manipulation, benefiting from the targeted grouped electrode pads and adaptable comb line widths in our experiment. As a result, domain inversion is ultimately implemented across the entire wafer with a 100% success rate and 98% high-quality rate on average, showcasing high throughput and stability, which is fundamentally scalable and highly cost-effective in contrast to traditional size-restricted chiplet-level poling. Our study holds significant promise to dramatically promote ultra-high performance to a broad spectrum of applications, including optical communications, photonic neural networks, and quantum photonics. Full article
(This article belongs to the Special Issue Optoelectronic Devices: Design, Fabrication, Characterization, Application and Challenges)
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11 pages, 2349 KiB  
Article
Electro-Optical Comb Envelope Engineering Based on Mode Crossing
by Shuting Kang, Xiaomin Lv, Chen Yang, Rui Ma, Feng Gao, Xuanyi Yu, Fang Bo, Guoquan Zhang and Jingjun Xu
Materials 2024, 17(5), 1190; https://doi.org/10.3390/ma17051190 - 4 Mar 2024
Viewed by 732
Abstract
Resonator-enhanced electro-optical (EO) combs could generate a series of comb lines with high coherence and stability. Recently, EO comb based on thin-film lithium niobate (TFLN) has begun to show great potential thanks to the high second-order nonlinearity coefficient of lithium niobate crystal. Here [...] Read more.
Resonator-enhanced electro-optical (EO) combs could generate a series of comb lines with high coherence and stability. Recently, EO comb based on thin-film lithium niobate (TFLN) has begun to show great potential thanks to the high second-order nonlinearity coefficient of lithium niobate crystal. Here we demonstrate that EO comb envelope engineering based on mode crossing induced a quality factor reduction in the TFLN racetrack microcavity both in the numerical simulation and experiment. Our method paves the way for the generation of EO combs with an arbitrary envelope. Full article
(This article belongs to the Special Issue Optoelectronic Devices: Design, Fabrication, Characterization, Application and Challenges)
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12 pages, 4061 KiB  
Article
Pulsed Optical Vortex Array Generation in a Self-Q-Switched Tm:YALO3 Laser
by Luyang Tong, Changdong Chen, Yangjian Cai and Lina Zhao
Materials 2024, 17(5), 1144; https://doi.org/10.3390/ma17051144 - 1 Mar 2024
Viewed by 691
Abstract
Optical vortex arrays are characterized by specific orbital angular momentums, and they have important applications in optical trapping and manipulation, optical communications, secure communications, and high-security information processing. Despite widespread research on optical vortex arrays, the 2 μm wavelength range remains underexplored. Pulsed [...] Read more.
Optical vortex arrays are characterized by specific orbital angular momentums, and they have important applications in optical trapping and manipulation, optical communications, secure communications, and high-security information processing. Despite widespread research on optical vortex arrays, the 2 μm wavelength range remains underexplored. Pulsed lasers at 2 μm are vital in laser medicine, sensing, communications, and nonlinear optic applications. The need for 2 μm-pulsed structured optical vortices, combining the advantages of this wavelength range and optical vortex arrays, is evident. Therefore, using just three elements in the cavity, we demonstrate a compact self-Q-switched Tm:YALO3 vortex laser by utilizing the self-modulation effect of a laser crystal and a defect spot mirror. By tuning the position of the defect spot and the output coupler, the resonator delivers optical vortex arrays with phase singularities ranging from 1 to 4. The narrowest pulse widths of the TEM00 LG0,−1, two-, three-, and four-vortex arrays are 543, 1266, 1281, 2379, and 1615 ns, respectively. All the vortex arrays in our study have relatively high-power outputs, slope efficiencies, and single-pulse energies. This work paves the way for a 2 μm-pulsed structured light source that has potential applications in optical trapping and manipulation, free-space optical communications, and laser medicine. Full article
(This article belongs to the Special Issue Optoelectronic Devices: Design, Fabrication, Characterization, Application and Challenges)
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11 pages, 2702 KiB  
Article
Low-Threshold Anti-Stokes Raman Microlaser on Thin-Film Lithium Niobate Chip
by Jianglin Guan, Jintian Lin, Renhong Gao, Chuntao Li, Guanghui Zhao, Minghui Li, Min Wang, Lingling Qiao and Ya Cheng
Materials 2024, 17(5), 1042; https://doi.org/10.3390/ma17051042 - 24 Feb 2024
Viewed by 879
Abstract
Raman microlasers form on-chip versatile light sources by optical pumping, enabling numerical applications ranging from telecommunications to biological detection. Stimulated Raman scattering (SRS) lasing has been demonstrated in optical microresonators, leveraging high Q factors and small mode volume to generate downconverted photons based [...] Read more.
Raman microlasers form on-chip versatile light sources by optical pumping, enabling numerical applications ranging from telecommunications to biological detection. Stimulated Raman scattering (SRS) lasing has been demonstrated in optical microresonators, leveraging high Q factors and small mode volume to generate downconverted photons based on the interaction of light with the Stokes vibrational mode. Unlike redshifted SRS, stimulated anti-Stokes Raman scattering (SARS) further involves the interplay between the pump photon and the SRS photon to generate an upconverted photon, depending on a highly efficient SRS signal as an essential prerequisite. Therefore, achieving SARS in microresonators is challenging due to the low lasing efficiencies of integrated Raman lasers caused by intrinsically low Raman gain. In this work, high-Q whispering gallery microresonators were fabricated by femtosecond laser photolithography assisted chemo-mechanical etching on thin-film lithium niobate (TFLN), which is a strong Raman-gain photonic platform. The high Q factor reached 4.42 × 106, which dramatically increased the circulating light intensity within a small volume. And a strong Stokes vibrational frequency of 264 cm−1 of lithium niobate was selectively excited, leading to a highly efficient SRS lasing signal with a conversion efficiency of 40.6%. And the threshold for SRS was only 0.33 mW, which is about half the best record previously reported on a TFLN platform. The combination of high Q factors, a small cavity size of 120 μm, and the excitation of a strong Raman mode allowed the formation of SARS lasing with only a 0.46 mW pump threshold. Full article
(This article belongs to the Special Issue Optoelectronic Devices: Design, Fabrication, Characterization, Application and Challenges)
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