Faculty of Science

Dr. Amer Shaaban Mohamed Kotb

Contact Information
Phone number: 084 6338462 - 084 6344264
Fax number: 084 6370025
E-mail Address: asm05@fayoum.edu.eg
Office: Faculty of Science
Postal Address: Fayoum - Fayoum University - Faculty of Science - Physics Department - POBox: 63514
Academic Qualifications
B. Sc.: Faculty of Science - Cairo University - Fayoum Branch - 2002
M. Sc.: Electronics - Fayoum University -2006
PhD.: Electronics - Fayoum University -2012
Academic Positions
Demonstrator: From 2002 To 2006
Assistant Lecturer: From 2006 to 2012
Lecturer: From 2012 To 2018
Assistant Professor: From 2018 To 2024
Professor: From 2024 Until Now
Research Interests
Optical Logic Circuits.
Semiconductor Optical Amplifiers.
Silicon Photonics.
Experiences
I have been awarded a full joint scholarship sponsored by the Egyptian Government for two years from 2009-2011 to conduct PhD, research studies connected to my PhD registered at the Fayoum University. These researches are carried out at the University of Connecticut, Connecticut, USA under the supervision of Prof. Dr. Niloy K. Dutta
  Reviewer: Photonics and Optoelectronics (JPO), http://www.jpo journal.org/.aspx
Reviewer: Journal of Optical Engineering and Application (JOEA), http://www.academicpub.org/JOEA/.aspx
Reviewer: Journal of Fiber and Integrated Optics, http://www.tandfonline.com/toc/ufio20/current#.Ula13lDPV2k.aspx
Editorial board member 2013-2015: Journal of Communications and Software, http://www.scipublish.com/journals/CS/.aspx
Reviewer: Optics Letter (IF 3.385) http://www.opticsinfobase.org/ol/home.cfm.aspx
Reviewer: American Journal of Optics and Photonics, http://www.sciencepublishinggroup.com/journal/peerreviewers.aspx?journalid=127.aspx
Reviewer: American Journal of Modern Physics, http://www.sciencepublishinggroup.com/journal/peerreviewers.aspx?journalid=122.aspx
Editorial board member 2015-2017: The American Association for Science and Technology (AASCIT), http://www.aascit.org/membership/AmerKotb.aspx
Postdoctoral Researcher at The Guo China-US Photonics Laboratory, Changchun Institute of Optics, Fine Mechanics, and Physics (CIOMP), Chinese Academy of Sciences (CAS) in China from August 2017 till now.
Publications list
A. Kotb, S. Ma, Z. Chen, N.K. Dutta, G. Said, All-optical logic NAND based on two-photon absorption in semiconductor optical amplifiers, Optics Communications 283, 4707-4712 (2010).
A. Kotb, S. Ma, Z. Chen, N. K. Dutta, G. Said, All-optical logic NAND based on two-photon absorption, SPIE Photonic Devices+ Applications 7, 77810D (2010) .
S. Ma, A. Kotb, Z. Chen, N.K. Dutta, All-optical logic gates based on two-photon absorption, Proceeding of SPIE 7750, 77501L (2010).
A. Kotb, S. Ma, Z. Chen, N.K. Dutta, G. Said, Effect of amplified spontaneous emission on semiconductor optical amplifier based all-optical logic, Optics Communications 284, 5798-5803 (2011).
A. Kotb, J. Maeda, All-optical logic NXOR based on semiconductor optical amplifiers with the effect of amplified spontaneous emission, Optoelectronics Letters 8(6), 437-440 (2012).
Amer Kotb, NAND gate with quantum-dot semiconductor optical amplifiers-based Mach-Zehnder interferometer, Optoelectronics Letters 9, 89-92 (2013).
  Amer Kotb, NOR gate based on QD-SOA at 250 Gbit/s, Optical and Quantum Electronics 45, 473-480 (2013).
  Amer Kotb, AND based on two-photon absorption in semiconductor optical amplifier, Optoelectronics Letters 9, 181-184 (2013).
  Amer Kotb, Kyriakos E. Zoiros, Simulation of all-optical logic XNOR gate based on quantum-dot semiconductor optical amplifiers with amplified spontaneous emission, Optical and Quantum Electronics 45, 1213-1222 (2013).
  Amer Kotb, 1 Tb/s high-quality factor NOR gate based on quantum-dot semiconductor optical amplifier”, Optical and Quantum Electronics 45, 1258-1268 (2013).
 Amer Kotb, Kyriakos E. Zoiros, On the design of all-optical gates based on quantum-dot semiconductor optical amplifier with effect of amplified spontaneous emission, Optical and Quantum Electronics 46, 977-989 (2014).
 Amer Kotb, Kyriakos E. Zoiros, Performance of all-optical XOR gate based on two-photon absorption in semiconductor optical amplifier-assisted Mach-Zehnder interferometer with effect of amplified spontaneous emission, Optical and Quantum Electronics 46, 935-944 (2014).
Amer Kotb, Kyriakos E. Zoiros, 1 Tb/s high-quality factor NAND gate using quantum-dot semiconductor optical amplifiers in Mach–Zehnder interferometer, Journal of Computational Electronics 13, 555-561 (2014).
Amer Kotb, An OR gate for 100 Gb/s phase-shift keying signals in semiconductor optical amplifier-based delayed interferometer, Aust. J. Basic & Appl. Sci., 8, 449 (2014).
Amer Kotb, Performance of all-optical XNOR gate based on two-photon absorption in semiconductor optical amplifiers, Advances in Optical Technologies 2014, Article ID 754713 (2014).
  Amer Kotb, Modeling of high-quality-factor XNOR gate using quantum-dot semiconductor optical amplifiers at 1 Tb/s,” Brazilian J. of Physics 45, 288-295 (2015).
Amer Kotb, Simulation of all-optical logic NOR gate based on two-photon absorption with semiconductor optical ampli?er-assisted Mach-Zehnder interferometer with the effect of ampli?ed spontaneous emission, Korean Physical Society 66, 1593-1598 (2015).
Amer Kotb, Analysis of all-optical logic XOR gate for 100 Gb/s phase-shift keying modulated data signals in semiconductor optical amplifier-based Mach-Zehnder interferometer, Optical and Quantum Electronics 47, 1063-1070 (2015).
Amer Kotb, Ultrafast all-optical logic OR gate based on two-photon absorption with a semiconductor optical ampli?er-assisted delayed interferometer, Korean Journal of Physical Society 68, 201-205 (2016).
Amer Kotb, Simulation of high-quality-factor all-optical logic gates based on quantum-dot semiconductor optical amplifier at 1 Tb/s, Optik 127, 320-325 (2016).
Amer Kotb, Simulation of Soliton all-optical logic XOR gate with semiconductor optical amplifier, Optical and Quantum Electronics 48(307), 1-11 (2016).
A. Kotb, F.A. Alamer, Dispersion on all-optical logic XOR gate using semiconductor optical amplifier, Optical and Quantum Electronics 48(327), 1-10 (2016).
A. Kotb, K.E. Zoiros, Soliton all-optical logic AND gate with semiconductor optical amplifier-assisted Mach-Zehnder interferometer, Optical Engineering 55(087109), 1-7 (2016).
Amer Kotb, Numerically simulation of soliton OR gate with semiconductor optical amplifier-assisted delayed interferometer, Optical and Quantum Electronics 48(462), 1-12 (2016).
Amer Kotb, Theoretical analysis of soliton NOR gate with semiconductor optical amplifier-assisted Mach-Zehnder interferometer, Optical and Quantum Electronics 49(180), 1-12 (2017).
Amer Kotb, Kyriakos E. Zoiros, Performance analysis of all-optical XOR gate with photonic crystal semiconductor optical amplifier-assisted Mach–Zehnder interferometer at 160 Gb/s, Optics Communications 402, 511-517 (2017).
Amer Kotb, Computational analysis of solitons all-optical logic NAND and XNOR gates using semiconductor optical amplifiers, Optical and Quantum Electronics 49(281), 1-17 (2017).
   Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, 160 Gb/s photonic crystal semiconductor optical amplifiers-based all-optical logic NAND gate, Photonic Network Communications 36, 246–255 (2018).
   Amer Kotb, Yasser Mohamed, Phase-shift keying modulated data signal using SOA-MZI-based all-optical logic AND gate at 80 Gb/s, International Journal of Optics 2018, 5864530 (2018).
   Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, All-optical XOR, NOR, and NAND logic functions with parallel semiconductor optical amplifier-based Mach-Zehnder interferometer modules, Optics and Laser Technology 108, 426-433 (2018).
   Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, Performance investigation of 120 Gb/s all-optical logic XOR gate using dual-reflective semiconductor optical amplifier-based scheme, Journal of Computational Electronics 17, 1640–1649 (2018).
   Amer Kotb, Chunlei Guo, Theoretical implementation of all-optical XOR gate at 160 Gb/s using semiconductor optical amplifiers-based turbo-switched Mach-Zehnder interferometer, Advanced Optics and Photonics 1, 263-278 (2019).
   Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, Numerical investigation of all-optical logic OR gate at 80 Gb/s with dual pump-probe semiconductor optical amplifier (SOA)-assisted Mach-Zehnder interferometer (MZI), Journal of Computational Electronics 18, 271-278 (2019).
   Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, 2?Tb/s all-optical gates based on two-photon absorption in quantum dot semiconductor optical amplifiers, Optics and Laser Technology 112, 442-451 (2019).
   Amer Kotb, Chunlei Guo, Two-photon absorption in quantum dot semiconductor optical amplifiers based all-optical XOR gate at 2 Tb/s, Optical and Quantum Electronics 51(58), 1-12 (2019).
   Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, 320 Gb/s all-optical XOR gate using semiconductor optical amplifier Mach-Zehnder interferometer and delayed interferometer, Photonic Network Communications 38, 177–184 (2019).
   Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, 1 Tb/s all-optical XOR and AND gates using quantum-dot semiconductor optical amplifier-based turbo-switched Mach-Zehnder interferometer, Journal of Computational Electronics 18, 628–639 (2019).
   Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, Ultrafast performance of all-optical AND and OR logic operations at 160 Gb/s using photonic crystal semiconductor optical amplifier, Optics and Laser Technology 119, 105611 (2019).
   Amer Kotb and Chunlei Guo, All-optical NOR and XNOR gates at 2 Tb/s based on two-photon absorption in quantum-dot semiconductor optical amplifiers, Optical and Quantum Electronics 52(30), 1-19 (2020).
   Amer Kotb and Chunlei Guo, Numerical modeling of photonic crystal semiconductor optical amplifiers-based 160 Gb/s all-optical NOR and XNOR logic gat, Optical and Quantum Electronics 52(89), 1-17 (2020).
   Amer Kotb and Chunlei Guo, All-optical OR and NOR gates using quantum-dot semiconductor optical amplifiers-assisted turbo-switched Mach-Zehnder interferometer and serially delayed interferometer at 1 Tb/s, Optik 218, 164879 (2020).
   Chaonan Yao, Amer Kotb, Bin Wang, Subhash Singh, Chunlei Guo, All-optical logic gates using dielectric-loaded waveguides with quasi-rhombus metasurfaces, Optics Letters 45, 3769-3772 (2020).
   Amer Kotb and Chunlei Guo, All-optical multifunctional AND, NOR, and XNOR logic gates using semiconductor optical amplifiers, Physica Scripta 95, 085506 (2020).
   Amer Kotb and Chunlei Guo, 120 Gb/s all-optical NAND logic gate using reflective semiconductor optical amplifiers, Journal of Modern Optics 67(12), 1138-1144 (2020).
   Amer Kotb and Chunlei Guo, Reflective semiconductor optical amplifiers-based all-optical NOR and XNOR logic gates at 120 Gb/s, J. Modern Optics 67, 1424-1435 (2020).
   Amged Alquliah, Amer Kotb, Subhash C.Singh, Chunlei Guo, All-optical AND, NOR, and XNOR logic gates using semiconductor optical amplifiers-based Mach-Zehnder interferometer followed by a delayed interferometer, Optik 25, 165901 (2021).
Amer Kotb and Chunlei Guo, Theoretical demonstration of 250 Gb/s ultrafast all-optical memory using Mach-Zehnder interferometers with quantum-dot semiconductor optical amplifiers, IEEE J. Selected Topics in Quantum Electronics 27, 7700307 (2021).
Amer Kotb and Chunlei Guo, 100 Gb/s all-optical multifunctional AND, XOR, NOR, OR, XNOR, and NAND logic gates in a single compact scheme based on semiconductor optical amplifiers, Optics & Laser Technology 137, 106828 (2021).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, Numerical Study of carrier reservoir semiconductor optical amplifier-based all-optical XOR logic gate, J. Modern Optics 68(3), 161-168 (2021).
Amer Kotb, Ultrafast carrier reservoir semiconductor optical amplifiers-based all-optical AND logic gate, Optical Engineering, 60(2), 026104 (2021).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, Cascaded semiconductor optical amplifiers-based all-optical OR logic gate, Physica Scripta 96(6), 065506 (2021).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, Realization of ultrafast all-optical NAND and XNOR logic functions using carrier reservoir semiconductor optical amplifiers, Journal of Supercomputing https://doi.org/10.1007/s11227-021-03876-4 (2021).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, Execution of all-optical Boolean OR logic using carrier reservoir semiconductor optical amplifier-assisted delayed interferometer, Optics and Laser Technology 142, 107230 (2021).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, Chunlei Guo, Theoretical investigation of 120 Gb/s all-optical AND and OR logic gates using reflective semiconductor optical amplifiers, Optical Engineering 60, 066107 (2021).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, Numerical demonstration of NAND and XNOR Boolean functions using quantum-dot semiconductor optical amplifiers-based turbo-switched Mach-Zehnder interferometers and delayed interferometer at 1 Tb/s, Pramana-Journal of Physics 96, 85 (2022).
Amer Kotb, Kyriakos E. Zoiros, Fahad Alhashmi Alamer, Wei Li, All-optical half adder using carrier reservoir semiconductor optical amplifiers at 120 Gb/s, Pramana-Journal of Physics 96, 154 (2022).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, 320 Gb/s all-optical logic operations based on two-photon absorption in carrier reservoir semiconductor optical amplifiers, Optik 265, 169494 (2022).
Amer Kotb, Gopal Verma, Wei Li, Temperature response of all-optical XOR logic function based on different semiconductor optical amplifiers, J. of Modern Optics 69, 769-778 (2022).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, Computational investigation of all-optical NOR logic operation using carrier reservoir semiconductor optical amplifiers at 120 Gb/s, Optical and Quantum Electronics 54, 827 (2022).
Amer Kotb and Kyriakos Zoiros, K-shaped silicon waveguides for logic operations at 1.55 µm, Electronics 11, 3748 (2022) (Invited).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, All-optical latches using carrier reservoir semiconductor optical amplifiers, Optics and Laser Technology 157, 108737 (2023).
Amer Kotb and Kyriakos Zoiros, K-shaped silicon waveguides for logic operations at 1.55 µm, Electronics 11, 3748 (2023) (Invited).
Amer Kotb, Kyriakos E. Zoiros, Wei Li, All-optical latches using carrier reservoir semiconductor optical amplifiers, Optics and Laser Technology 157, 108737 (2023).
Amer Kotb, Kyriakos K. Zoiros, Wei Li, Silicon-on-silica waveguides-based all-optical logic gates at 1.55 µm, Physica Scripta 98, 035517 (2023).
Amer Kotb, Chaonan Yao, All-optical logic operations based on silicon-on-insulator waveguides, Optical Engineering 62(4), 048101 (2023).
Amer Kotb, Kyriakos E. Zoiros, 2 × 2 compact silicon waveguide-based optical logic functions at 1.55 µm, Photonics 10(4), 403 (2023) (Invited).
Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, All-optical logic gates using E-shaped silicon waveguides at 1.55 µm, Journal of Applied Physics, 133, 173101 (2023).
Amer Kotb, Kyriakos E. Zoiros, Antonios Hatziefremidis, Chunlei Guo, Optical logic gates based on Z-shaped silicon waveguides at 1.55 µm, Micromachines 14, 1266, (2023) (Invited).
Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, High-Performance All-Optical Logic Operations Using ♆-Shaped Silicon Waveguides at 1.55 µm, Micromachines 14, 1793, (2023) (Invited).
Amer Kotb, Kyriakos E. Zoiros, and Eng Hwa Yap, All-optical reversible PNOR logic gate using semiconductor optical amplifiers at 100 Gb/s, Optical Engineering 62(10), 108101 (2023).
Amer Kotb, Kyriakos E. Zoiros, Eng Hwa Yap, Numerical simulation of all-optical header processor using carrier reservoir semiconductor optical amplifiers, Journal of Optics, https://doi.org/10.1007/s12596-023-01613-z (2024).
Amer Kotb, Kyriakos E. Zoiros, Wei Chen, All-optical XOR, AND, OR, NOT, NOR, NAND, and XNOR logic operations based on M-shaped silicon waveguides at 1.55 µm, Micromachines 15, 392 (2024) (Invited).
Amer Kotb, Kyriakos E. Zoiros, Research on Silicon waveguide crossing for optical logic operations at telecommunication wavelength, Optical and Quantum Electronics 56, 803 (2024).
Amer Kotb, Kyriakos E. Zoiros, Chunlei Guo, Wei Chen, All-optical 4-bit parity generator and checker utilizing carrier reservoir semiconductor optical amplifiers, Electronics 13, 2314 (2024) (Invited).
Amer Kotb, Kyriakos E. Zoiros, Wei Chen, Optimized Optical XNOR Gate at 80 Gb/s utilizing Single SOAs-MZI, Labyrinth: Fayoum Journal of Science and Interdisciplinary Studies 2, 1-6 (2024).
Amer Kotb, Kyriakos E. Zoiros, Wei Chen, Four-terminal silicon waveguides for optical logic functions at 1.55 µm, Journal of Optics (2024).
Amer Kotb, Kyriakos E. Zoiros, Wei Chen, High-Speed 2x1 Multiplexer with Carrier-Reservoir Semiconductor Optical Amplifiers, Photonics 11, 648 (2024) (Invited).
H. Chen, T. Gu, L. Lv, X. Chen, Q. Lu, A. Kotb, W. Chen, A Biocompatible, Highly Sensitive, and Non-Enzymatic Glucose Electrochemical Sensor Based on a Copper-Cysteamine (Cu-Cy)/Chitosan-Modified Electrode. Nanomaterials 14, 1430 (2024) (Invited).
Awards
Talent Young Scientist Program (TYSP), which he received twice in 2019 and 2020.
Chinese Academy of Sciences President’s International Fellowship Initiative (PIFI), awarded three times in 2019, 2022, and 2023.
Research Development Fund (RDF) from XJTLU for 2023-2026.
Stanford University has recognized him as one of the world’s top 2% scientists for five consecutive years (2020-2024).
Books
  Amer Kotb, “All-Optical Logic Gates Using Semiconductor Optical Amplifiers”, Lambert Academic Publishing, Germany 2012.
   Amer Kotb, “Quantum-Dots Semiconductor Optical Amplifiers”, Lambert Academic Publishing, Germany, under publication.
Grants - Funds
PI: CAS President’s International Fellowship Initiative (PIFI) 2022-2023 , (Grant No. 2022VMB0013) of ‘all-optical inverse logic gates using different technologies of semiconductor optical amplifiers. This project is supported by Chinese Academy of Sciences, Beijing, China for one year with a total of 270,000 RMB.
  PI: CAS President’s International Fellowship Initiative (PIFI) 2019-2022 , (Grant No. 2019FYT0002) of ‘all-optical AND, NOR, and XNOR gates using three parallel semiconductor optical amplifiers’. This project is supported by Chinese Academy of Sciences, Beijing, China for three years with a total of 300,000 RMB.
PI: Talented Young Scientist Program (TYSP) 2019-2020 of ‘all-optical NOR and XNOR using reflective semiconductor optical amplifiers at 120 Gb/s’. This project is supported by China Science and Technology Exchange Center of Ministry of Science and Technology of China (http://www.ciomp.ac.cn/xwdt/zhxw/201812/t20181220_5218779.html) for one year with a total of 150,000 RMB..
  PI: Extend: Talented Young Scientist Program (TYSP) 2020-2021 of ‘all-optical NOR and XNOR using reflective semiconductor optical amplifiers at 120 Gb/s’. This project is supported by China Science and Technology Exchange Center of Ministry of Science and Technology of China (http://www.ciomp.ac.cn/xwdt/zhxw/201812/t20181220_5218779.html) for other year with a total of 150,000 RMB..
PI: Principle Investigator 2013-2014 of ‘all-optical logic gates based on phase-shift keying (PSK) using semiconductor optical amplifiers’. The project is funded by Northern Borders University, KSA with a total of RS 22,800..
  PI: Principle Investigator 2014-2015 of ‘effect of amplified spontaneous emission on all-optical logic gates using semiconductor optical amplifiers’. The project is funded by Northern Borders University, KSA with a total of RS 25,800.