W Fang, Y Huang, J Fei, X Duan, K Liu, X Ren - Optics Communications, 2017 - Elsevier
A non-periodic concentric circular high index contrast grating (CC-HCG) focusing reflector on 500 nm silicon-on-insulator (SOI) platform is fabricated and experimentally demonstrated …
A subwavelength structure deposited on top of a silicon strip is utilized as a novel tool for dispersion engineering. The equivalent refractive index of the subwavelength structure can …
P Kwiecien, I Richter, J Čtyroký - 2015 17th International …, 2015 - ieeexplore.ieee.org
In this contribution, fundamentals of both periodic rigorous coupled wave analysis (RCWA) technique as well as aperiodic (aRCWA) techniques will be reviewed, starting with standard …
B Taurel, P Labeye, JM Fedeli, L Duraffourg - Optics Letters, 2019 - opg.optica.org
In this Letter, we demonstrate a new, to the best of our knowledge, kind of photonic waveguide, in which the light propagates in the overlap of sub-wavelength patterned …
We investigate the role of one subwavelength-size grating of silver as a reflector at different angular positions of InAs-based subwavelength grating (SWG) and non-SWG microring …
A He, X Guo, L Sun, H Wang, Y Su - Journal of Lightwave …, 2020 - opg.optica.org
Heterogeneous integration of III-V lasers on Silicon on Insulator (SOI) is crucial for next- generation optical interconnects. However, reducing the footprint of the couplers between III …
Wavelength-selective photonic devices are important in several fields. Moreover, fabrication variations are often responsible for the decreased experimental performance of photonic …
In this paper, we present a design method for bi-layered composite gratings to achieve high diffraction efficiency. These composite gratings feature strong near-field coupling between …