New Design of All-Optical Slow Light TDM Structure Based on Photonic Crystals

Abstract

Abstract-This work demonstrates an all-optical slow light Time Division Multiplexing (TDM) structure based on photonic crystals (PCs). The structure shows good ability of dividing time domain signal into repetition time slots signal by four tunable group velocity waveguides from 0.006 * c to 0.248 * c where c is the velocity of light in the vacuum at the center wavelength of 1550 nm and over a bandwidth 4.52 THz with group velocity dispersion below 10 2 ps 2 /km. New high efficiency Y-type directional coupling output can get larger than ∼1.4 times intensity and ∼93% loss improvement which are comparable to conventional output device. The proposed PCs waveguide structure is leading the way to achieve the TDM application and has good capability to extend the application of the optical communication and optical fiber sensors systems.

Design and Modeling of the Photonic Crystal Waveguide Structure for Heat‐Assisted Magnetic Recording

“…ey can be arranged in one dimension (1D) [1,2], two dimensions (2D) [3][4][5], and three dimensions (3D) depending on guiding requirements. e 2D PC structure is the most popular choice for optical devices and has found various applications such as integrated circuits (ICs), wave filters or multiplexers, and waveguides [6][7][8][9][10][11][12][13].…”