Jie Fan | Electroweak Physics | Best Researcher Award

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Assoc. Prof. Dr. Jie Fan | Electroweak Physics | Best Researcher Award

Associate Researcher at Changchun University of Science and Technology  | China

Dr. Jie Fan is an Associate Researcher, Doctoral Supervisor, and Research Teacher at Changchun University of Science and Technology. Recognized as a High-Level D Talent in Jilin Province, Dr. Fan is a rising force in the field of semiconductor laser technology. With more than 30 academic publications and involvement in innovative laser device development, Dr. Fan is carving a significant niche in optoelectronic device research.

👨‍🎓Profile

Scopus

🎓 Early Academic Pursuits

Dr. Fan pursued advanced studies in semiconductor optoelectronics, laying a robust academic foundation in laser device physics and engineering. The academic journey was defined by an early focus on semiconductor light sources and beam quality enhancement, which later evolved into targeted, high-impact research directions.

💼 Professional Endeavors

Currently serving at the Changchun University of Science and Technology, Dr. Fan has taken on multiple roles including research leader, doctoral mentor, and project investigator. Leading 9 scientific research projects showcases not only scientific depth but also the ability to manage complex, long-term research efforts effectively.

🔬 Contributions and Research Focus

Dr. Fan’s core research revolves around high-power and high beam quality semiconductor laser technology. A standout contribution is the monolithic integration of DBR master oscillator and tapered power amplifier (MOPA) structure, enabling lasers with enhanced beam quality and peak power. Another key innovation is the development of dual-wavelength semiconductor laser devices using double Bragg grating diffraction feedback, achieving stable dual-output modes. Furthermore, Dr. Fan has addressed the challenge of transverse multi-lobe output in high-power lasers, enhancing near-fundamental mode performance—a vital step for real-world applications.

🌐 Impact and Influence

Despite a currently low citation index (1), the originality and applied relevance of Dr. Fan’s work present strong potential for future academic and industrial impact. The submission of 8 additional patents underlines continuous innovation and the intention to bridge research with practical solutions in optoelectronics.

📚 Academic Citations

With 27 SCI/Scopus-indexed journal articles, including contributions to Optics Letters and Optics Communications, Dr. Fan has made substantial efforts in academic dissemination. While the current citation index reflects early-stage impact, the volume and quality of publications indicate strong groundwork for rising academic influence.

🧠 Research Skills

Dr. Fan brings expertise in semiconductor laser modeling, structural integration, diffraction feedback design, and device fabrication. The ability to move from conceptual design to physical realization of complex laser systems showcases a rare combination of theoretical insight and experimental skill.

👨‍🏫 Teaching Experience

As a doctoral supervisor, Dr. Fan is deeply involved in mentoring graduate students and guiding cutting-edge research topics. The integration of teaching and research helps foster a new generation of optoelectronics researchers equipped with both academic rigor and applied skills.

🏆 Awards and Honors

Dr. Fan is listed among the High-Level D Talents in Jilin Province, recognizing his scientific excellence and research leadership. This designation is a testament to his growing status as a key contributor in China’s advanced optoelectronics research landscape.

🧬 Legacy and Future Contributions

Looking ahead, Dr. Fan is poised to further influence the semiconductor laser industry through scalable device designs and collaborative innovation. While more visibility through citations, industry partnerships, and global collaboration will enhance his profile, the foundational research already promises a lasting legacy in high-performance laser device engineering.

Publications Top Notes

Research on the Asymmetric Phase-Shift Laterally-Coupled DFB Semiconductor Lasers with High Single Longitudinal Mode Yield

  • Authors: Zhang, Naiyu; Qiu, Bocang; Zou, Yonggang; Li, Qingmin; Ma, Xiaohui
    Journal: Optics Express
    Year: 2025

Study on Mode Characteristics of Supersymmetric Transversally Coupled Array Semiconductor Lasers

  • Authors: Wang, Zelong; Fan, Jie; Zou, Yonggang; Li, Yan; Ma, Xiaohui
    Journal: Optics Communications
    Year: 2025

Thermal Characteristics Analysis of Multi-Material Composite Heat Sink Structure Based on VCSEL Array

  • Authors: Wang, Chenxin; Zou, Yonggang; Fan, Jie; Song, Yingmin; Liang, Hongjin
    Journal: Laser and Optoelectronics Progress
    Year: 2025

Near 1050 nm Laterally Coupled DFB Laser with Tightened-Ridge-Waveguide for Improving Grating Coupling Capability and Controlling Lateral Modes

  • Authors: Hou, Huilong; Fan, Jie; Fu, Xiyao; Zou, Yonggang; Ma, Xiaohui
    Journal: Optics Letters
    Year: 2025

Dual-Wavelength Composite Grating Semiconductor Laser for Raman Detection

  • Authors: Huang, Zhuoer; Zou, Yonggang; Fu, Xiyao; Wang, Xiaozhuo; Cheng, Biyao
    Journal: Optics and Laser Technology
    Year: 2025

 

 

Xuechao Zhai | Chiral symmetry breaking | Best Researcher Award

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Prof. Xuechao Zhai | Chiral symmetry breaking | Best Researcher Award

Nanjing University of Science and Technology | China

Xuechao Zhai is a Professor and doctoral advisor at the Department of Applied Physics at Nanjing University of Science and Technology, China. His primary research focuses on condensed matter theory, semiconductor physics, and quantum device design. He is well known for his work on topological phase transitions, quantum transport in low-dimensional structures, and spin and valley control. Over the years, he has contributed significantly to quantum information encoding mechanisms, enhancing low-power quantum devices.

👨‍🎓Profile

Scopus 

ORCID

Early Academic Pursuits 🎓

Xuechao Zhai’s academic journey began at Xiangtan University, where he obtained his B.S. in Physics in 2009. He continued his studies at Nanjing University, earning his Ph.D. in Physics in 2014. His early academic years were marked by a keen interest in quantum mechanics and material science, which laid the foundation for his pioneering research in condensed matter physics.

Professional Endeavors 💼

Following his doctoral studies, Zhai took on several roles at Nanjing University of Posts & Telecommunications, where he served as Lecturer (2014–2017) and Associate Professor (2017–2021). His expertise led him to a Visiting Scholar position at the Kavli Institute at Delft University of Technology (2019–2020), where he collaborated on international research projects in the fields of semiconductor physics and quantum transport. In 2021, Zhai was appointed Professor at Nanjing University of Science & Technology, where he continues to mentor graduate students and advance his research in quantum devices.

Contributions and Research Focus 🔬

Zhai’s research focuses primarily on topological phase transitions and quantum transport in low-dimensional structures. His work in spin and valley control and the design of quantum devices has significantly influenced the understanding of spintronics and valleytronics. He is particularly known for his studies on the electrical control of spin polarization and valley-mediated effects, which have important applications in quantum computing and advanced material design.

Impact and Influence 🌍

Xuechao Zhai’s research has garnered recognition in both the academic and scientific communities. His work has been published in top journals, such as Nature Communications, Advanced Functional Materials, and Physical Review series. His contributions to the understanding of quantum transport and the development of low-power quantum devices have positioned him as a leading figure in the field of semiconductor physics. Zhai has also been awarded several prestigious National Natural Science Foundation projects and has earned accolades such as the “Youth Top Talent” program at Nanjing University of Science and Technology.

Research Skills 📚

His research is widely referenced in the scientific community, contributing significantly to advancements in quantum device design. Zhai’s proficiency in condensed matter theory, material characterization, and theoretical modeling allows him to approach complex problems from a multidisciplinary perspective. His work on spin-orbit coupling and valleytronics continues to shape current research trends.

Teaching Experience 📖

As a doctoral advisor and professor, Zhai has mentored numerous graduate students and postdoctoral researchers. He emphasizes the importance of critical thinking, research innovation, and scientific rigor. His teaching approach integrates advanced theoretical concepts with hands-on experience in quantum device fabrication, preparing students to contribute to the next generation of quantum scientists and material engineers. Zhai’s leadership in the classroom is complemented by his role in guiding the future of applied physics research.

Awards and Honors 🏆

Xuechao Zhai has been recognized for his excellence in both research and teaching. His achievements include:

  • Four National Natural Science Foundation projects, including three general projects and one youth fund.
  • A Jiangsu Provincial Natural Science Foundation project.
  • Selection for the “Youth Top Talent” program at Nanjing University of Science and Technology in 2021.
  • Recognition as an outstanding young backbone teacher in the “Qinglan Project” of Jiangsu Province in 2019.

These accolades reflect his outstanding contributions to the scientific community and his commitment to nurturing young researchers.

Legacy and Future Contributions 🔮

Xuechao Zhai’s research is shaping the future of quantum devices, spintronics, and low-dimensional materials. His work on topological materials and quantum transport is paving the way for the development of next-generation quantum computing technologies. As he continues to make strides in quantum information encoding and device design, Zhai’s legacy will likely influence future advancements in material science and quantum physics. His ongoing dedication to pushing the boundaries of theoretical physics ensures that he will remain a key figure in the global scientific community.

Publications Top Notes

Realization of robust Ohmic contact for semiconducting black arsenic by coupling with graphene

  • Authors: Xinjuan Cheng, Xuechao Zhai
    Journal: Chinese Physics B, 2025

Large Anomalous Hall Effect in a Noncoplanar Magnetic Heterostructure

  • Authors: Anke Song, Jine Zhang, Yequan Chen, Rong Zhang, Xuefeng Wang
    Journal: Advanced Functional Materials, 2025

Defect-induced helicity dependent terahertz emission in Dirac semimetal PtTe2 thin films

  • Authors: Zhongqiang Chen, Hongsong Qiu, Xinjuan Cheng, Rong Zhang, Xuefeng Wang
    Journal: Nature Communications, 2024

Rashba spin splitting based on trilayer graphene systems

  • Authors: Xinjuan Cheng, Liangyao Xiao, Xuechao Zhai
    Journal: Physical Review B, 2024

Proximity-induced diversified magnetic states and electrically controllable spin polarization in bilayer graphene: Towards layered spintronics

  • Authors: Xuechao Zhai, Yaroslav M. Blanter
    Journal: Physical Review B, 2022

 

Spontaneous symmetry breaking

Posted on by High Energy Physics

 

Introduction to Spontaneous Symmetry Breaking:

Spontaneous symmetry breaking is a fundamental concept in physics that plays a crucial role in explaining various phenomena across different branches of science. It occurs when a system that possesses certain symmetries at the fundamental level ends up in a state where those symmetries are no longer apparent or manifest. This phenomenon has far-reaching implications, ranging from the behavior of subatomic particles to the formation of cosmic structures, and it plays a central role in understanding phase transitions and the emergence of diverse physical phenomena.

Higgs Mechanism and Electroweak Symmetry Breaking:

Explore the Higgs mechanism, a fundamental aspect of the Standard Model of particle physics, which explains the spontaneous breaking of electroweak symmetry and the generation of particle masses.

Chiral Symmetry Breaking:

Investigate chiral symmetry breaking in quantum chromodynamics (QCD), a phenomenon responsible for the generation of hadron masses and the confinement of quarks.

Superconductivity and Superfluidity:

Delve into how spontaneous symmetry breaking explains the emergence of superconductivity in materials, where electrons form Cooper pairs, and superfluidity in liquid helium, where atoms condense into a single quantum state.

Cosmic Symmetry Breaking:

Focus on the role of spontaneous symmetry breaking in cosmology, particularly during the early moments of the universe, and how it led to the formation of cosmic structures and the cosmic microwave background.

Critical Phenomena and Phase Transitions:

Examine critical phenomena and phase transitions, where spontaneous symmetry breaking is responsible for the emergence of distinct phases in materials, such as the transition from a liquid to a gas.

 

 

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