A5102975654- Advanced Fiber Laser Technologies
- Advanced Fiber Optic Sensors
- Advanced Image and Video Retrieval Techniques
- Advanced Graph Neural Networks
- Topic Modeling
- Optical Network Technologies
- Photonic and Optical Devices
- Face and Expression Recognition
- Complex Network Analysis Techniques
- Recommender Systems and Techniques
- Domain Adaptation and Few-Shot Learning
- Automated Road and Building Extraction
- Network Security and Intrusion Detection
- Video Surveillance and Tracking Methods
- Machine Learning and Algorithms
- Data Management and Algorithms
- Photonic Crystal and Fiber Optics
Shanghai Jiao Tong University
2005-2025
University of Illinois Urbana-Champaign
2021
We demonstrate the generation of 12-wavelength comb with 14.5-nm tunable range in Brillouin-Erbium fiber laser. This is achieved through tuning gain profile Erbium-doped by a Sagnac loop filter 18-cm polarization-maintaining fiber, conjunction modifying wavelength Brillouin pump. The experiment also demonstrates that closely equal to 3-dB bandwidth due its periodic transmission profile. Meanwhile, effect 980-nm pump on multiwavelength investigated. power has great number and output generated...
Knowledge graphs (KGs) play a vital role in enhancing search results and recommendation systems. With the rapid increase size of KGs, they are becoming inaccuracy incomplete. This problem can be solved by knowledge graph completion methods, which attention network (GAT)-based methods stand out since their superior performance. However, existing GAT-based often suffer from overfitting issues when dealing with heterogeneous graphs, primarily due to unbalanced number samples. Additionally,...
We proposed and demonstrated a new concept of switchable multiwavelength erbium-doped fiber ring laser with multisection high-birefringence loop mirror (HiBi-FLM). The HiBi-FLM results in the operating on different allowed wavelengths. wavelength switching can be achieved by modifying reflection spectrum through two polarization controllers. experiment demonstrates lasing operation within random combination three wavelengths, as well large (/spl sim/40 dB) output signal to background noise ratio.
Information networks generally exhibit three characteristics, namely dynamicity, heterogeneity, and node attribute diversity. However, most existing network embedding approaches only consider two of the when each into low-dimensional space. Adding to such an approach a technique processing remaining characteristic can easily cause incompatibility. One solution process characteristics together is treat dynamic heterogeneous attributed (DHAN) as temporal sequence (HAN) snapshots. For example,...
We propose and demonstrate a self-seeded multiwavelength Brillouin-erbium fiber laser with an internally self-excited Brillouin pump, which is achieved by incorporation of length single-mode together Sagnac loop mirror into ring cavity. In this simple scheme the pump in cavity then used to seed comb fiber. Stable generation more than 120 Stokes wavelengths relatively uniform amplitudes demonstrated scheme. It also shown that such has good stability repeatability.
This paper presents an efficient and scalable framework for Range Filtered Approximate Nearest Neighbors Search (RF-ANNS) over high-dimensional vectors associated with attribute values. Given a query vector $q$ range $[l, h]$, RF-ANNS aims to find the approximate $k$ nearest neighbors of among data whose values fall within h]$. Existing methods including pre-, post-, hybrid filtering strategies that perform before, after, or during ANNS process, all suffer from significant performance...
We experimentally demonstrate an all-fiber passively Q-switched erbium fiber laser by the symmetrical nonlinear optical loop mirror with polarization rotation. And this has nature. (2 pages)
We have proposed and demonstrated a novel multiwavelength Brillouin-erbium fiber laser (BEFL) with linear cavity, in which, the Brillouin pump is self-excited within doesn't require injection from external cavity or direct generation intracavity. In this scheme, more than 115 Stokes lines relatively uniform amplitudes been generated. The experiment also demonstrates that such self-seeded BEFL performs good repetition stability for both operating wavelengths output power of each line....