Since the invention of the silicon subwavelength grating waveguide in 2006, subwavelength metamaterial engineering has become an essential design tool in silicon photonics …
R Liu, W Zhao, Z Yu, D Dai - Optics Letters, 2024 - opg.optica.org
A multimode interference (MMI) coupler is one of the basic components for photonic integrated circuits. However, MMI couplers realized by conventional waveguides are …
M Lu, Y Sun, D Wang, W Cheng, S Shi, J Wang… - Optics …, 2024 - Elsevier
We design and experimentally demonstrate a compact and broadband 2× 2 3 dB optical power splitter engineered by bricked subwavelength gratings (BSWG). In this work, 3D finite …