Search Results - "Emami, S.D."

Solution doped preform with improved uniformity and concentration using dual-layer soot deposition by Muhd-Yassin, S.Z., Omar, Nasr Y.M., Mat-Sharif, K.A., Zulkifli, M.I., Safar, M.H., Aljamimi, S.M., Yusoff, Z., Emami, S.D., Paul, M.C., Abdul-Rashid, H.A.

“…•Solution doped optical fibre preform couple with MCVD is fabricated.•A conventional single-layer is compared with dual-layer soot deposition.•The dual layer…”
Get full text

Experimental and theoretical studies on a double-pass C-band bismuth-based erbium-doped fiber amplifier by Harun, S.W., Parvizi, R., Cheng, X.S., Parvizi, A., Emami, S.D., Arof, H., Ahmad, H.

“…Performance of a Bismuth-based Erbium-doped fiber amplifier is experimentally and theoretically investigated using 1480 nm pumping with double-pass scheme. In…”
Get full text

Quantitative analysis of energy transfer processes in Thulium–Bismuth germanate co-doped fiber amplifier by Zarifi, A., Emami, S.D., Zahedi, F.Z., Fatehi, H., Mirnia, S.E., Ahmad, H., Harun, S.W.

“…► A quantitative study on energy transfer processes in Tm–Bi germanate is presented. ► A general model for Tm–Bi fiber amplifier is suggested based on the rate…”
Get full text

Application of macro-bending for flat and broad gain EDFA by Hajireza, P., Emami, S.D., Abbasizargaleh, S., Harun, S.W., Kumar, D., Abdul-Rashid, H.A.

“…Gain flattened C-band erbium-doped fiber amplifier (EDFA) is demonstrated using a macro-bending method. Various bending diameter and length of high…”
Get full text

A theoretical study of double-pass thulium-doped fiber amplifiers by Emami, S.D., Harun, S.W., Abd-Rahman, F., Abdul-Rashid, H.A., Daud, S.A., Ghani, Z.A., Ahmad, H.

“…An efficient fluoride-based thulium-doped fiber amplifier (TDFA) is theoretically demonstrated using a double-pass scheme. A reflector is incorporated in the…”
Get full text

An Experimental Study on S-band Depressed Cladding EDFA by Daud, S.A., Emami, S.D., Rashid, H., Mokhtar, M.R., Yusoff, Z., Rahman, F.A.

“…This paper presents an experimental study of the performance characteristics of an S-band single pass and double pass erbium-doped fiber amplifier (EDFA),…”
Get full text

Shorter Wavelength Gain Shift In EDFA Using A Macro-Bending Approach by Daud, S.A., Emami, S.D., Mohamed, K.S., Abdul-Rashid, H.A., Harun, S.W., Ahmad, H., Mokhtar, M.R., Yusoff, Z., Rahman, F.A.

“…Gain and noise figure improvements are demonstrated in a shorter wavelength region of double-pass EDFA using a macro-bending approach. The EDF is wound in a…”
Get full text

Optimization of fiber length and bending Diameter in depressed cladding Erbium-doped Fiber Amplifier by Chan, C.E., Emami, S.D., Hajireza, P., Beh, H.Y., Daud, S.A., Pathmanathan, S.S., Harun, S.W., Ahmad, H., Rashid, H.A.A.

“…The bending Diameter and depressed cladding erbium doped fiber (DC-EDF) length for single-pass depressed cladding Erbium-Doped Fiber Amplifiers (DC-EDFA) are…”
Get full text