Search Results - "Ahmed, M.H.M."

Nanosized titanium dioxide saturable absorber for soliton mode-locked thulium-doped fiber laser by Ahmed, M.H.M., Mohd Yusoff, N., Che Abdullah, C.A., Alresheedi, M.T., Rosli, N.S., Talib, Z.A., Mahdi, M.A.

“…•Nanosized titanium dioxide (TiO2) composite is spin-coated on microfiber as a saturable absorber.•Wide operating range for fundamental pulse generation…”
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Wet chemically prepared rutile TiO2(110) and TiO2(011): Substrate preparation for surface studies under non-UHV conditions by AHMED, M. H. M, LYDIATT, F. P, CHEKULAEV, D, WINCOTT, P. L, VAUGHAN, D. J, JANG, J. H, BALDELLI, S, THOMAS, A. G, WALTERS, W. S, LINDSAY, R

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Magnesium oxide (MgO) thin film as saturable absorber for passively mode locked erbium-doped fiber laser by Khaleel, Wurood Abdulkhaleq, Sadeq, Sinan Abdulhameed, Alani, I.A.M., Ahmed, M.H.M.

“…•Demonstrating successfully Magnesium oxide (MgO) thin film as a new mode-locker for erbium-doped fiber laser.•Obtaining a highly stable mode locked pulse…”
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All fiber multiwavelength Tm-doped double-clad fiber laser assisted by four-wave mixing in highly nonlinear fiber and Sagnac loop mirror by Ahmad, H., Ahmed, M.H.M., Samion, M.Z., Harun, S.W.

“…A four-wave mixing (FWM) based multi-wavelength laser based on a double-cladding thulium-doped fiber laser (DC-TDFL) is proposed and demonstrated. A highly…”
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All fiber normal dispersion mode locked ytterbium doped double-clad fiber laser using fiber taper with WS2-ZnO saturable absorber by Ahmad, H., Ahmed, M.H.M., Yusoff, N., Ramli, R., Samion, M.Z.

“…•Mode-locking operation at 1075 nm in a DC-YDFL.•A WS2-ZnO deposited on a fiber taper as a saturable absorber.•High power mode-locked dissipative solitons with…”
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Graded-index multimode fiber in nonlinear absorbing loop mirror as saturable absorber for noise-like pulse generation in 2 μm region by Ahmed, M.H.M., Sadeq, S.A., Mohd Yusoff, N., Zainol Abidin, N.H., Alresheedi, M.T., Abas, A.F., Talib, Z.A., Mahdi, M.A.

“…•Graded-index multimode fiber (GMIF) in an optical loop mirror as a saturable absorber.•Core mismatched between GIMF and single-mode fiber induces nonlinear…”
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Femtosecond mode-locked erbium-doped fiber laser based on MoS2–PVA saturable absorber by Ahmed, M.H.M., Latiff, A.A., Arof, H., Ahmad, H., Harun, S.W.

“…We fabricate a free-standing few-layer molybdenum disulfide (MoS2)–polymer composite by liquid phase exfoliation of chemically pristine MoS2 crystals and use…”
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Mode-locked thulium doped fiber laser utilizing tungsten trioxide saturable absorber by Ahmed, M.H.M., Khaleel, W.A., Sadeq, S.A., Abdul Hadi, M.A.W., Zainol Abidin, N.H., Mahdi, M.A.

“…•Tungsten trioxide (WO3) is deposited on microfiber as a saturable absorber.•Incorporation of WO3 saturable absorber in thulium-doped fiber laser.•WO3…”
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Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration by Al-Masoodi, A.H.H., Alani, I.A.M., Ahmed, M.H.M., Al-Masoodi, Ab. H.H., Alani, Ahmed.A., Wang, P., Harun, S.W.

“…•Cobalt oxide (Co3O4) nanocubes saturable absorber (SA) for Q-switching.•The Co3O4 nanocubes was fabricated by a simple hydrothermal technique.•This results…”
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Ultrashort pulse thulium-doped fiber laser with molybdenum trioxide on tapered fiber by Ahmed, M.H.M., Mohd Yusoff, N., Zainol Abidin, N.H., Lee, H.K., Alresheedi, M.T., Abas, A.F., Goh, C.S., Mahdi, M.A.

“…This paper demonstrates ultrashort pulse generation using molybdenum trioxide (MoO3) saturable absorber (SA) integrated into a thulium-doped fiber laser. The…”
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Switchable single-double frequency multi-wavelength Brillouin Raman fiber laser based on micro-air cavity misalignment by Al-Alimi, A.W., Khaleel, W.A., Sadeq, S.A., Cholan, N.A., Al-Mansoori, M.H., Ahmed, M.H.M., Mahdi, M.A.

“…•Switchable multi-wavelength Brillouin Raman fiber laser assisted by a micro air cavity.•Stable output lines of 515 and 240 with spacing of 0.079 nm and…”
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Mode-locked ytterbium-doped fiber laser using mechanically exfoliated black phosphorus as saturable absorber by Al-Masoodi, A.H.H., Yasin, M., Ahmed, M.H.M., Latiff, A.A., Arof, H., Harun, S.W.

“…We experimentally demonstrated a passive, stable mode-locked ytterbium-doped fiber laser (YDFL) based on black phosphorus (BP) as saturable absorber (SA). The…”
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Q-switched erbium doped fiber laser based on single and multiple walled carbon nanotubes embedded in polyethylene oxide film as saturable absorber by Ahmed, M.H.M., Ali, N.M., Salleh, Z.S., Rahman, A.A., Harun, S.W., Manaf, M., Arof, H.

“…A passive, stable and low cost Q-switched Erbium-doped fiber laser (EDFL) is demonstrated using both single-walled carbon nanotubes (SWCNTs) and multi-walled…”
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All fiber mode-locked Erbium-doped fiber laser using single-walled carbon nanotubes embedded into polyvinyl alcohol film as saturable absorber by Ahmed, M.H.M., Ali, N.M., Salleh, Z.S., Rahman, A.A., Harun, S.W., Manaf, M., Arof, H.

“…We experimentally demonstrate an all-fiber mode-locked Erbium-doped fiber laser (EDFL) using single walled carbon nanotubes (SWCNTs), which is embedded into…”
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Graded-index multimode fiber in nonlinear absorbing loop mirror as saturable absorber for noise-like pulse generation in 2 μm region by Ahmed, M.H.M., Sadeq, S.A., Mohd Yusoff, N., Zainol Abidin, N.H., Alresheedi, M.T., Abas, A.F., Talib, Z.A., Mahdi, M.A.

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Stretched and soliton femtosecond pulse generation with graphene saturable absorber by manipulating cavity dispersion by Ahmed, M.H.M., Al-Masoodi, A.H.H., Yasin, M., Arof, H., Harun, S.W.

“…Graphene is at the center of a significant research effort for ultrafast photonics due to its unique optical properties. Here, we demonstrated the generation…”
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Passively mode-locked ytterbium-doped fiber laser operation with few layer MoS2 PVA saturable absorber by Al-Masoodi, A.H.H., Ahmed, M.H.M., Latiff, A.A., Azzuhri, S.R., Arof, H., Harun, S.W.

“…A passive mode-locked Ytterbium-doped fiber laser (YDFL) is experimentally demonstrated using a multi-layered molybdenum disufide (MoS2) as a Saturable…”
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Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber by Azooz, S.M., Ahmed, M.H.M., Ahmad, F., Hamida, B.A., Khan, S., Ahmad, H., Harun, S.W.

“…We demonstrate a simple, compact and low cost Q-switched fiber lasers based on Erbium-doped fiber (EDF) and Thulium-doped fiber (TDF) to operate at 1534.5nm…”
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Preparation, Surface, and Biological Activities of Some Novel Metallosurfactants by Aiad, Ismail, Ahmed, M. H. M., Hessein, Ahmed, Ali, Mohamed

“…A series of novel metallosurfactants (III a-d ) was prepared and evaluated as surface active agents. The synthesis was carried out through two steps: the first…”
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Two New Records of Orchid Species for the Flora of Iraq: Anacamptis papilionacea (L.) R.M. Bateman, Pridgeon & M.W. Chase and Dactylorhiza romana (Sebast.) Soó by Youssef, Sami, Mahdi, Honar, Mergye, Zerevan, Salim, Jihad, Mahmood, Ahmed, Vela, Errol

“…The Orchidaceae is one of the most cosmopolitan flowering families; however, the national floristic knowledge for Iraqi territories is restricted by the…”
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