WebFeb 6, 2024 · We study numerically the confinement of light in a three-dimensional (3D) photonic crystal cavity in a diamondlike inverse-woodpile structure. We present a versatile field-field cross-correlation method to identify resonances in the finite-support crystal with defect states in the 3D band gap of the infinite crystal. WebMay 26, 2024 · Both are achieved by using a photonic crystal (PC) cavity as a resonator and compact resonant tunneling diodes (RTDs) as signal source and as detector. The measured quality factor of the PC cavity is higher than …

(PDF) High Q-factor photonic crystal cavities - ResearchGate

WebHere we consider a cavity formed by a 2D hexagonal photonic crystal structure. A small gain region is added to the center of the cavity. Simulation setup. For the gain material … To achieve high Q cavities from low refractive index materials, it is more favorable to fabricate 1D ladder-type PCCs. Figure 2a shows representative SEM images of a 1D ladder PCC (beam width w = 750 nm) fabricated using the same combination of RIE and EBIE that was used to fabricate the cavity in Fig. 1. The ladder … See more As a first step toward applications, we demonstrate nanofabrication of two-dimensional (2D) and one-dimensional (1D) photonic crystal cavities (PCCs) with optical Q-factors of … See more Next, we demonstrate that the optical modes of the fabricated cavities can be tuned deterministically by EBIE. Tuning is essential to match … See more Finally, we discuss the potential of integrating quantum emitters hosted by hBN with the fabricated PCCs. Coupling of an emitter to an optical mode requires both spatial and spectral overlap between the emitter and the … See more cummins hydra germany

Photonic crystal cavities in silicon dioxide - Duke University

WebDec 1, 2015 · The cavities are designed by introducing defects in the structure, which will break the periodicity of photonic crystal. It is established that the resonant modes … WebDec 7, 2016 · A modified three-hole linear defect (L3) photonic crystal cavity (PCC) [ 23] is fabricated in a standard 220 nm thick silicon on insulator (SOI) wafer with a lattice periodicity of 398 nm and a radius of 116 nm. We patterned a 250 nm ZEP 520A mask using a 100 kV JEOL JBX6300FS electron beam lithography system. Webphotonic crystal cavity (Si PhCC) shown on Fig. 4a is similar to Si WBGC. This is also an F-P cavity-type photonic device operating around the telecom frequency range. The Si PhCC consists of an 800 nm-wide silicon nanowaveguide and an F-P cavity located at the sensor’s center. Two Bragg mirrors located on the opposite sides of the F-P eastwood urethane primer black