Abstract
In this paper, optical amplification action is studied in a 2D Photonic Crystals (PhCs) cavity-based structure for the near-infrared (NIR) spectral range. The phenomenon is studied by coupling optical energy into the structure from two different optical sources, one acting as a data signal and another as a pump signal. The data signal is amplified in presence of a pump signal depending on the size of the optical cavity. The dielectric PhC structure consists of a slab waveguide sandwiched between a substrate and a cladding layer. The numerical design and simulations are performed in open-source software based on the Finite-difference Time-domain (FDTD) technique. The concluded results show optimum amplification results for a cavity size smaller than the standard size of PhC-elements. The proposed device can be efficiently used in applications requiring optical amplification such as optical switches, transistors, logical gates, and filters.
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