Abstract This work clarified the performance enhancement of transceiver system based (IS-OWC) link by using both vertical cavity surface emitting laser diode (VCSEL) and continuous wave (CW) sources. The proposed model has been investigated discussed. inter satellite modelled optisystem simulator at 10 Gb/s 40 for long distance up to 5000 km return zero (RZ) non (NRZ) schemes. IS-OWC estimating evaluation parameters such as Q-factor bit error rate (BER). results revealed that NRZ is superior...

Abstract This work outlined the fast speed response and high modulation bandwidth through LiNbO 3 electro-optic modulators. The refractive index is analyzed to estimate switching voltage for these data transmission rates are discussed clearly modulator’s performance efficiency upgraded with optimum modulator length of 10 mm its thickness 2 mm. proposed modulators compared GaAs electrooptic under various dimensions at 1300 nm near-infrared region room temperature.

Abstract Aim and scope of this study is to simulate the performance signature optical inter satellite links based booster Erbium doped fiber amplifier (EDFA) receiver preamplifiers. The simulated demonstrated effect changing propagation distances between satellites spacing on EDFA Signal power amplitude, Max. Q factor, min bit error rate are investigated against input variations.

Abstract This study created a 13 Gb/s transmission speed per 300 channel dense wavelength division multiplexing system based on hybrid optical fiber amplifiers and filter techniques to enhance signal gain. The used here included amplifier, gain flattening (GFF), Fabry–Perot filter, Bragg grating (FBG), glass composition technique. were combined optimize as follows: the began with an erbium-doped amplifier (EDFA), added Raman GFF, grating, composition, finally achieved hybrid-modified model...

Abstract This study presents high speed optical switching gain based Erbium doped fiber amplifier model. By using the proposed model loss can be minimized. The system is stabilized with power budget of 25.875 mW a long 75 km as length in this verified. modulation rate 10 Gb/s upgrade up to reach 30 Gb/s. suitable for transmitter −2.440 dBm and NRZ code receiver sensitivity upgraded minimum bit error max Q factor are 1.806 e−009 5.899.

A plasmonic material-coated circular-shaped photonic crystal fiber (C-PCF) sensor based on surface plasmon resonance (SPR) is proposed to explore the optical guiding performance of refractive index (RI) sensing at 1.7–3.7 μm. twin coupling profile observed by selectively infiltrating liquid using finite element method (FEM). nano-ring gold layer with a magnesium fluoride (MgF2) coating and fused silica are used as base material, respectively, that help achieve maximum performance. RI...

Abstract The work has outlined the Fabry Perot laser properties with high pump lasers for upgrading fiber optic transceiver systems. physical structures of light source are taken into account such as active layer length and width. High is used providing strength to signal through transmission/reception stages. Peak minimum power levels measured in spectral frequency domain time domain. Signal amplitude level margin also optimum parameters source. operation system performance efficiency...

Abstract This study has simulated the spatial optical transceiver system based on measured index multimode plastic fibers channel with 1 Tb/s in 1.5 km distance. These are simply step polycarbonate, polystyrene, polymethylmethacrylate, graded polymethylmethacrylate and cyclic transparent fiber (GI-CYTOP). Maximum Q-factor, signal power at channel, receiver sensitivity, coupling coefficient for sample of modes GI-CYTOP comparison between previous model proposed model. clarified enhancement...

Abstract This work discusses the effect of wavelength division multiplexing on performance intersatellite link. Intersatellite optical wireless communication (IsOWC) system is simulated by using OptiSystem software. Number channels involve performance. Bit rate an operating parameter that determines quality signal. Also, and distance between satellite transmitter receiver determine In this article, max Q factor, received power, signal/noise ratio are major leading parameters.

Abstract In this study, six different types of optical fibers (SMF, HNLF, HNL-DFF, NZDSF, LEAF (step core) and (ring core)) can be used for number channels (16, 32, 64, 80) at bit rates to calculate the quality factor these optimum length max BER × 10 −9 min −12 . By using software Optisystem version 13, work has been demonstrated compared with previous study find best one under same operating conditions.

<span>The work has presented duobinary modulation and predistortion techniques for the radio over fiber system enhancement achieving security level. Duobinary technique more compact modulated spectral linewidth with standard non return to zero code. Different NRZ/RZ rectangle shape employed that are namely exponential (ERS), Gaussian (GRS) different transmission bit rates. Switching bias voltage, switching RF voltage based LiNbO<sub>3</sub> modulator changed measure...

<p><span>The paper outlines the simulation of various pulse generators for enhancement optical fiber access transmission networks within flow rate 10 Gbps and range 100 km. The are gaussian, hyperbolic secant, triangle, sine, raised cosine in stage. Proposed mixed with both electro-absorption modulator (EAM) mach-zehnder (MZM) efficient transmission. We have compared max. quality factor using proposed against nonreturn to zero (NRZ) return (RZ) previous research works different...

<p><span>This study outlines the management of either direct or external modulation semiconductor laser systems for key solution bit rate up to 25 Gb/s under relative intensity noise (RIN) control. The bias and peak currents based equations are optimized achieve max Q factor min error (BER) using first proposed model optical/electrical signal power, ratio also enhanced second model. percentage enhancement in max. Q-factor min. BER ranges from 53.25 % 71.63 compared previous In...

Abstract This study has demonstrated the simulative and analytical methods of bidirectional EDFA amplifiers in optical communication links optimum case. The output power, max. Q factor light signal/noise ratio variations are clarified with pump power at amplification amplifier for previous/proposed models length 8 m. As well as various levels. operation efficiency case is observed m 120 mW pumping power.

Abstract This study presents fiber optic losses/dispersion and signals bandwidth measurements under high temperature dopant germanium ratios variations for ultra-long haul distances without amplification stage. The losses, dispersion, total data rates are estimated compared with the previous results room to silica glass fiber. Then model is extended ultra-fiber transmission up 500 km high-temperature using any coefficient degraded, enhanced increment of germanium.

Abstract This study has outlined the performance analysis of cascade traveling-wave optical amplifier (Semiconductor [SOA]) with multiplexing techniques based on fiber communication transceiver systems. The maximum Quality factor is measured against signal power. Signal input power level enhanced by using suggested model previous model. low pass Bessel filter removes unwanted ripples from original signal. clarified better efficiency than

Abstract This paper contains a main model which concludes two optical fiber cable along 70 km and with Parametric/Raman amplifiers result of total power 0.781 dBm that computed by the meter is located before receiver part second channel, −44.186 at end electrical visualizer, max. Q factor 2.548 BER analyzer. The suggested has outlined some updates on previous to improve results so are increased same length as following: signal becomes 10.039 dBm, 0.624 9.60787.

Abstract This work clarifies the gain/noise figure spectra of average power model Raman optical amplifiers in coarse wavelength multiplexed systems. The proposed have a total received 16.306 dBm, signal gain 21.68 dB, and noise 3.802 dB at same operation parameters previous which operated length 0.2 km fiber division multiplexing (CWDM) transmitted is 20 dBm. So updates help us to greatly improve system.

Abstract This study presents the effects of Tx./Rx. pointing errors on performance efficiency local area optical wireless communication networks. The received signal power and max Q factor are measured in presence vertical-cavity surface-emitting lasers (VCSELs) bias current modulation at maximum propagation distance for network. is enhanced with increasing peak currents VCSEL device. optimum max. also examined error 0.1 mrad reach 5 km available bit rates transmission 10 Gb/s.