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This research paper employs a 3D tetrahedral meshing frequency solver as the main tool to simulate the electromagnetic effect of non-modified tip edge complementary asymmetric split ring (CASR) unit cell its modified triangular tip edge version. Behavior of these unit cells are intended to obtain an electromagnetic (EM) bandgap suitable to separate a beam wave into two direction as well functioning...
In this paper, we demonstrated a ring cavity multiwavelength Brillouin Raman fiber laser exploiting different Fiber Bragg grating reflectivity. The 10 km length of single mode fiber are used as gain medium that has the capability to generate Stimulated Brillouin Scattering and Stimulated Raman Scattering effect. The ring cavity multi-wavelength Brillouin Raman fiber laser is operated in S-band region...
This paper demonstrates the effect of haze condition on free space optical (FSO) communication and to thin out the attenuation effects. The effects in the main focus on the atmospheric attenuation effects due the visibility and link range (length). Visibility is the main concern in utilizing the FSO communication system. The higher visibility, the longer transmission link. Hence, FSO performance could...
In this paper, we present a new simulation model, called as sum-of-linear-frequency-modulation (SOLFM) model, based on the sum-of-cisoids (SOC) model. The new model has ability to simulate non-stationary fading channels under time-variant scattering environments. We also propose an effective parameter computation method, which can reproduce time-variant statistical properties of real-word channels...
In this paper, we propose and demonstrate a simulation of dual cavity multiwavelength Brillouin Raman fiber laser utilizing dual Raman amplifier with a tuning range between 1460 nm to 1530 nm. The proposed configuration utilizes 7 km single mode fiber and 7 km of Raman amplifier to generate the Stimulated Brillouin Scattering and Stimulated Raman scattering effect, respectively. The Brillouin pump...
This paper presents the link budget analysis for free space optical (FSO) communication and the studies on how to reduce the attenuation effect to improve FSO link. The effects are primarily focused on the atmospheric attenuation on the received power. Transmission power is the main priority in link budget. The power used to transmit data is gradually decreased along the path due to attenuation effects...
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