We propose a tunable inline mode converter based on the acousto-optic effect in optical
microwires. A theoretical model is developed to analyze the interaction between the acoustic …

In this work, we propose radius-graded photonic crystal sensor arrays applied on nano-
scale optical platform for label-free biosensing. Two L3 cavities and two H1 cavities are …

The eigenvalue problem is solved for a longitudinally inhomogeneous waveguide with
impedance walls. The cross-section method is applied to reduce the problem to an infinite …

摘要提出了一种基于光子晶体和纳米线波导的马赫-曾德尔型调制器. 该调制器由硅基光子晶体
平板波导, 纳米线波导和光子晶体多模干涉耦合器(MMI) 构成. 在光子晶体与纳米线波导连接处 …

Electro-optic modulators with wide bandwidth and low loss are necessary as the demand for
high-speed integrated communication systems increases. We propose a Mach–Zehnder …

Photonic crystal waveguides are being used for different applications in sensors, lasers,
interferometers, and optical circuits. The process of coupling a light beam to a waveguide …

We theoretically analyze acousto-optic (AO) mode conversion between optical orbital
angular momentum (OAM) modes using an elastic vortex wave (EVW) carrying OAM in a …

Optical fiber microwires (OFMs) are nonlinear optical waveguides that support several
spatial modes. The multimodal generalized nonlinear Schrödinger equation (MM-GNLSE) is …

In this work, we propose a two-dimensional photonic crystal–photonic crystal heterostructure
that possesses the requirements for exciting an electromagnetic interface mode and …

A concave two-dimensional (2D) photonic crystal waveguide (PCW) with corrugated surface
is theoretically used as a focusing structure. To design this structure, a genetic algorithm is …