4 papers
Segment-chirped periodically poled lithium niobate waveguides for broadband supercontinuum generation
Yue Li, Xiaodong Shi, Sakthi Sanjeev Mohanraj +7
Supercontinuum generation is a key technology in nonlinear optics, supporting a wide range of applications in frequency metrology and spectroscopy. Integrated photonics offers a pr…
Resolution and Robustness Bounds for Reconstructive Spectrometers
Changyan Zhu, Hsuan Lo, Jianbo Yu +2
Reconstructive spectrometers are a promising emerging class of devices that combine complex light scattering with inference to enable compact, high-resolution spectrometry. Thus fa…
Broadband Continuous Frequency Tuning in Non-Hermitian Laser Arrays Enabled by Mode-Switching Boundary Topology
Chuanfeng Yan, Cheng Tan, Kai Wang +6
Broadband and continuous frequency tuning is central to the versatility of semiconductor lasers, yet existing approaches typically rely on external moving components, limiting scal…
Enabling Highly Efficient Infrared Silicon Photodetectors via Disordered Metasurfaces with Upconversion Nanoparticles
Wei Chen, Shutao Zhang, Chongwu Wang +12
Silicon photodetectors are highly desirable for their CMOS compatibility, low cost, and fast response speed. However, their application the infrared (IR) is limited by silicon's in…