Explanipedia

Tunable amplitude and frequency modulated optical frequency combs in external-cavity-locked quantum dot lasers Open

Jianan Duan, Shihao Ding, Bo Yang, Xiangru Cui, Xin Meng , et al. · 2025

Development of force field parameters for the atomic simulation of Mycobacterial membranes Open

Kuan Liang, Lydia Mathew, Liang Fu, Aswin T. Srivatsav, Jianan Duan , et al. · 2025

Tuberculosis (TB), caused by Mycobacterium tuberculosis (Mtb), remains a global leading cause of death from a single infectious agent. The unique cell envelope of Mtb, rich in complex lipids, is critical for its pathogenicity, host interac…

Excitonic Modeling of Ground-State Quenching Dynamics in Epitaxial Quantum Dot Lasers on Silicon Open

Zihan He, Qi Chu, Feng He, Jiawei Wang, Yong Yao , et al. · 2025

This work theoretically investigates ground-state (GS) quenching in dual-state lasing quantum dot (QD) lasers epitaxially grown on silicon. GS quenching, characterized by suppressiong of GS emission as bias current increases, results in a …

High-brightness photon-pair source based on high-Q multimode waveguide racetrack resonator Open

Jinzhao Wang, Zheng Cao, Jiewen Li, Yi Li, Kunrun Lu , et al. · 2025

Efficient generation of correlated photon pairs through spontaneous four-wave mixing (SFWM) in silicon devices serves as a crucial resource for integrated quantum photonic technologies. Enhancing the intracavity field in high-quality-facto…

Gut microbiota contribute to high-altitude adaptation in tree sparrows Open

Tingbei Bo, Gang Song, Mengru Zhang, Xiaoming Xu, Jianan Duan , et al. · 2025

The intricate relationship between gut microbiota and various physiological functions in animals has emerged as a focal point in understanding host adaptability. Unlike the native birds of the Qinghai-Tibet Plateau (QTP), the tree sparrow …

Higher-order chiral exceptional points in asymmetric photonic molecules Open

Jin Li, Kui Wu, Jian Ding, Mingquan Deng, Xiujie Dou , et al. · 2025

Exceptional points (EPs), representing unique non-Hermitian degeneracies in open systems, have been the focus of significant research due to their remarkable phenomena and applications across various fields. While second-order EPs are exte…

Enhanced Radiation Hardness of InAs/GaAs Quantum Dot Lasers for Space Communication Open

Manyang Li, Jianan Duan, Zhiyong Jin, Shujie Pan, Wenkang Zhan , et al. · 2025

Semiconductor lasers hold significant promise for space laser communication. However, excessive radiation in space can cause laser failures. In principle, quantum dot (QD) lasers are more radiation‐resistant than traditional semiconductor …

Optical noise suppression in epitaxial quantum dot lasers on silicon under mutual injection locking Open

Luochen Qu, Qi Chu, Wenlu Wang, Zhiyong Jin, Fengji Gui , et al. · 2025

This paper presents a theoretical investigation into the influence of mutual injection locking on the optical noise characteristics of epitaxial quantum dot (QD) lasers on silicon. The findings reveal that mutual injection locking signific…

Exploring microbiome shifts across taxonomic and ecological groups of birds at a key stopover site in Punjab, Pakistan Open

Amina Tufail, Tingbei Bo, Na Zhao, Sandi Willows‐Munro, Bushra Khan , et al. · 2025

Demonstration of ultrathin film silicon-organic hybrid modulator with long-term stability in a damp heat environment Open

Feng Yang, Yilang Hu, Yanmei Li, Di Zhang, Zhanshi Yao , et al. · 2025

Emission Tunable Ce3+, Mn2+ Codoped Calu2al4sio12 for High Color Rendering White-Led Open

Jiacheng Sun, Mingyuan Zhang, Jianan Duan, Deyin Wang, Yuhua Wang · 2025

Improvement of optical noise in optical-injection-locked quantum dot lasers epitaxially grown on silicon by reducing external carrier noise Open

Luochen Qu, Qi Chu, Wenlu Wang, Zhiyong Jin, Shihao Ding , et al. · 2024

This study theoretically investigates the impact of external carrier noise from pumping sources on the optical noise of epitaxial quantum dot (QD) lasers on silicon. The findings indicate that the spectral linewidth and relative intensity …

Isolator-free quantum dot comb lasers with optical feedback enhanced DWDM transmission Open

Xiangru Cui, Jiajian Chen, Jingzhi Huang, Bo Yang, Jiale Qin , et al. · 2024

Feedback-insensitive Quantum Dot (QD) comb lasers hold significant promise for integrated dense wavelength division multiplexing photonic systems due to their ability to generate multiple wavelengths and operate without bulky isolators, fa…

Quantum Dot Comb Lasers with Optical Feedback Enhanced DWDM Transmission Open

Zihao Wang, Xiangru Cui, Jiajian Chen, Jingzhi Huang, Bo Yang , et al. · 2024

Feedback-insensitive Quantum Dot (QD) comb lasers hold significant promise for integrated dense wavelength division multiplexing (DWDM) photonic systems due to their ability to generate multiple wavelengths and operate without bulky isolat…

Coherent phonon signal amplification technique based on a numerical differentiation method Open

Junhui Wu, Shuai Wang, Kang Li, Jiawei Wang, Jianan Duan , et al. · 2024

Coherent optical phonon (COP) and coherent acoustic phonon (CAP) play vital roles in probing ultrafast dynamics across various materials and systems. Their applications range from metamaterial diagnosis to manipulating ferroelectric polari…

Efficient Application of an All-Fiber Hybrid Saturable Absorber for the Generation of Heterogeneous and Vector Dissipative Solitons in Fiber Lasers Open

Linguang Guo, Yong Yao, Yu Yang, Hao-Xue Qiu, Songting Li , et al. · 2024

Reflection sensitivity of dual-state quantum dot lasers Open

Zhiyong Jin, Heming Huang, Yueguang Zhou, Shiyuan Zhao, Shihao Ding , et al. · 2023

This work experimentally and theoretically demonstrates the effect of excited state lasing on the reflection sensitivity of dual-state quantum dot lasers, showing that the laser exhibits higher sensitivity to external optical feedback when…

Optical noise characteristics of injection-locked epitaxial quantum dot lasers on silicon Open

Qi Chu, Shiyuan Zhao, Jiawei Wang, Yunxu Sun, Yong Yao , et al. · 2023

This work theoretically investigates the relative intensity noise (RIN) and spectral linewidth characteristics of epitaxial quantum dot (QD) lasers on silicon subject to optical injection. The results show that the RIN of QD lasers can be …

Erratum to: Physics and applications of quantum dot lasers for silicon photonics Open

Frédéric Grillot, Justin Norman, Jianan Duan, Zeyu Zhang, Bozhang Dong , et al. · 2022

[This corrects the article DOI: 10.1515/nanoph-2019-0570.].

Four-wave mixing in 1.3 μm epitaxial quantum dot lasers directly grown on silicon Open

Jianan Duan, Bozhang Dong, Weng W. Chow, Heming Huang, Shihao Ding , et al. · 2022

This work compares the four-wave mixing (FWM) effect in epitaxial quantum dot (QD) lasers grown on silicon with quantum well (QW) lasers. A comparison of theory and experiment results shows that the measured FWM coefficient is in good agre…

Perspectives on Advances in Quantum Dot Lasers and Integration with Si Photonic Integrated Circuits Open

Chen Shang, Yating Wan, Jennifer Selvidge, Eamonn T. Hughes, Robert W. Herrick , et al. · 2021

International audience

Uncovering recent progress in nanostructured light-emitters for information and communication technologies Open

Frédéric Grillot, Jianan Duan, Bozhang Dong, Heming Huang · 2021

Dynamic performance and reflection sensitivity of quantum dot distributed feedback lasers with large optical mismatch Open

Bozhang Dong, Jianan Duan, Heming Huang, Justin Norman, Kenichi Nishi , et al. · 2021

This work reports on a high-efficiency InAs/GaAs distributed feedback quantum dot laser. The large optical wavelength detuning at room temperature between the lasing peak and the gain peak causes the static, dynamic, and nonlinear intrinsi…

Enhanced optical nonlinearities in epitaxial quantum dots lasers on silicon for future photonic integrated systems Open

Jianan Duan, Weng W. Chow, Bozhang Dong, Heming Huang, Songtao Liu , et al. · 2021

Four-wave mixing (FWM) is an important nonlinear optical phenomenon that underlines many of the discoveries and device applications since the laser was invented. Examples include parametric amplification, mode-locked pulses and frequency c…

Effect of p-doping on the intensity noise of epitaxial quantum dot lasers on silicon Open

Jianan Duan, Yueguang Zhou, Bozhang Dong, Heming Huang, Justin Norman , et al. · 2020

This work experimentally investigates the impact of p-doping on the relative intensity noise (RIN) properties and subsequently on the modulation properties of semiconductor quantum dot (QD) lasers epitaxially grown on silicon. Owing to the…

1.3-µm passively mode-locked quantum dot lasers epitaxially grown on silicon: gain properties and optical feedback stabilization Open

Bozhang Dong, Xavier C de Labriolle, Songtao Liu, Mario Dumont, Heming Huang , et al. · 2020

This work reports on an investigation of the optical feedback in an InAs/InGaAs passively mode-locked quantum dot (QD) laser epitaxially grown on silicon. Under the stably-resonant optical feedback condition, experiments demonstrate that t…

Study of hybrid silicon quantum dot frequency comb laser dynamic for 5G and datacom applications Open

Bozhang Dong, Jianan Duan, Heming Huang, Géza Kurczveil, Di D. Liang , et al. · 2020

International audience

Physics and applications of quantum dot lasers for silicon photonics Open

Frédéric Grillot, Justin Norman, Jianan Duan, Zeyu Zhang, Bozhang Dong , et al. · 2020

Photonic integrated circuits (PICs) have enabled numerous high performance, energy efficient, and compact technologies for optical communications, sensing, and metrology. One of the biggest challenges in scaling PICs comes from the parasit…

P-doping effect on external optical feedback dynamics in 1.3-microns InAs/GaAs quantum dot laser epitaxially grown on silicon Open

Bozhang Dong, Jun‐Da Chen, Han-Ling Tsay, Heming Huang, Jianan Duan , et al. · 2020

This work reports on the optical feedback dynamics of InAs/GaAs QD lasers epitaxially grown on silicon operating in both the short and long delay regimes. Both undoped and p-doped QD lasers are considered. Whatever the external cavity leng…

High coherence collapse of a hybrid III–V/Si semiconductor laser with a large quality factor Open

Sandra Gomez, Heming Huang, Jianan Duan, S. Combrié, Alexandre Shen , et al. · 2020

The high-speed dynamics of a hybrid distributed feedback semiconductor laser heterogeneously integrated onto silicon is experimentally investigated in the presence of external optical feedback. The laser fabrication relies on a proper moda…

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