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We propose a new design of THz frequency carrier generation for medical applications. The dense wavelength division multiplexing can be generated by using a Gaussian pulse propagating within a modified PANDA ring resonator and Add/drop filter. Results obtained have shown that region of frequency can be obtained between 30–100 THz. This area of frequency band can be used for medical applications. The...
Germanium (Ge) and Silicon nanostructure (NS) among many others semiconductor nanosystems received special attention due to the possibility in optoelectronics application [1]. The visible luminescence from Ge nanoparticles and nanocrystallites has generated interest due to the feasibility of tuning band gap by controlling the sizes. However, controlling the light emitting behavior require careful...