Al-saadi, Aws

@en.alnaji-uni.edu.iq

Faculty of Health and Medical Technologies
Alnaji University

Al-saadi, Aws


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https://researchid.co/alsaadi

RESEARCH, TEACHING, or OTHER INTERESTS

Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering
26

Scopus Publications

260

Scholar Citations

8

Scholar h-index

8

Scholar i10-index

Scopus Publications

  • High-speed integrated QKD system
    Rebecka Sax, Alberto Boaron, Gianluca Boso, Simone Atzeni, Andrea Crespi, Fadri Grünenfelder, Davide Rusca, Aws Al-Saadi, Danilo Bronzi, Sebastian Kupijai, Hanjo Rhee, Roberto Osellame, Hugo Zbinden
    Photonics Research, 2023
    Quantum key distribution (QKD) is nowadays a well-established method for generating secret keys at a distance in an information-theoretically secure way, as the secrecy of QKD relies on the laws of quantum physics and not on computational complexity. In order to industrialize QKD, low-cost, mass-manufactured, and practical QKD setups are required. Hence, photonic and electronic integration of the sender’s and receiver’s respective components is currently in the spotlight. Here we present a high-speed (2.5 GHz) integrated QKD setup featuring a transmitter chip in silicon photonics allowing for high-speed modulation and accurate state preparation, as well as a polarization-independent low-loss receiver chip in aluminum borosilicate glass fabricated by the femtosecond laser micromachining technique. Our system achieves raw bit error rates, quantum bit error rates, and secret key rates equivalent to a much more complex state-of-the-art setup based on discrete components [ Boaron A. et al. , Phys. Rev. Lett. 121, 190502 (2018)].
  • 25 Gb/s Silicon Photonics Interconnect Using a Transmitter Based on a Node-Matched-Diode Modulator
    Sebastian Kupijai, Hanjo Rhee, Aws Al-Saadi, Marvin Henniges, Danilo Bronzi, David Selicke, Christoph Theiss, Sven Otte, Hans Joachim Eichler, Ulrike Woggon, David Stolarek, Harald H. Richter, Lars Zimmermann, Bernd Tillack, Stefan Meister
    Journal of Lightwave Technology, 2016
    In this article a nonreturn-to-zero data transmission of 25 Gb/s between silicon photonic transmitter and receiver units is demonstrated, where the transmitter is based on a silicon optical Fabry-Pérot modulator with a node-matched-diode geometry. This modulator type has a footprint of less than 100 μm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> . On the receiver side, an integrated Ge-photo detector has been used. Mask tests according to the 100G ER4 standard have been performed and yielded error free data transmission.
  • Silicon photonics for 100 Gbit/s intra-data center optical interconnects
    Stefan Meister, Moritz Grehn, Hanjo Rhee, Marco Vitali, Christoph Theiss, Sebastian Kupijai, Aws Al-Saadi, Danilo Bronzi, Sven Otte, Marvin Henniges, David Selicke, Muhammad Atif, Erik Schwartz, Stefan Lischke, David Stolarek, Andreas Mai, Mehmet Kaynak, Harald H. Richter, Lars Zimmermann
    Proceedings of SPIE the International Society for Optical Engineering, 2016
    We report on an ultra-compact co-integrated transmitter and receiver in SiGe BiCMOS technology for short reach optical interconnects. A fully integrated EPIC transceiver chip on silicon photonics technology is described. The chip integrates all photonic and electronic devices for an electro-optic transceiver and has been designed to be testable on wafer-scale. A node-matched diode modulator based on carrier injection is a key building block in the chip design. Its operation performance is presented with respect to insertion loss, signal-to-noise-ratio and power consumption at a 25.78125 Gbit/s in NRZ operation. A novel SiGe based photodetector exhibits a -3 dB bandwidth of up to 70 GHz and a responsivity of &gt;1 A/W. Details are given about the process technology of co-integration of photonic and electronic integrated circuits using both silicon-on-insulator and bulk silicon. The implemented co-integration process requires only few additional process steps, leading to only a slight increase in complexity compared to conventional CMOS and BiCMOS baselines.
  • Silicon photonics interconnect based on ultra-small scalable components for multi-channel optical transceivers
    Hanjo Rhee, Aws Al-Saadi, Sebastian Kupijai, Christoph Theiss, Sven Otte, Hans J. Eichler, Ulrike Woggon, Bernd Tillack, Lars Zimmermann, Harald H. Richter, Stefan Lischke, Christian Mai, David Stolarek, Stefan Meister
    European Conference on Optical Communication ECOC, 2015
    A silicon photonics based fiber interconnect is presented including an integrated node-matched-diode modulator and Ge-photo detector. Due to very small footprints, a single channel 25 Gb/s non-return-to-zero data rate corresponds to a photonic bandwidth density of about 0.5 Tb/(s·mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> ).
  • 25 Gb/s data transmission with a node-matched-diode silicon modulator
    S. Kupijai, H. Rhee, A. Al-Saadi, M. Henniges, D. Bronzi, D. Selicke, C. Theiss, S. Otte, H. J. Eichler, U. Woggon, D. Stolarek, H. H. Richter, L. Zimmermann, B. Tillack, S. Meister
    2015 IEEE Optical Interconnects Conference Oi 2015, 2015
    NRZ data transmission of 25 Gb/s is demonstrated using an ultra-small silicon optical modulator based on a node-matched-diode geometry. Data transmission via an exclusively silicon photonics optical transmission line is presented including an integrated Ge-photodetector.
  • High-speed Fabry-Pérot optical modulator in silicon with 3-μm diode
    S. Meister, H. Rhee, A. Al-Saadi, B. A. Franke, S. Kupijai, C. Theiss, H. J. Eichler, D. Stolarek, H. H. Richter, L. Zimmermann, B. Tillack, M. Lesny, C. Meuer, C. Schubert, U. Woggon
    Journal of Lightwave Technology, 2015
    A silicon optical modulator using a novel node-matched-diode geometry inside a Fabry-Pérot nanowaveguide resonator is presented. The diode length is only 3 μm. An analysis of the dynamic spectral transmission behavior is given. Non-return-to-zero data transmission of 10 Gb/s is demonstrated.
  • 18 dB cw raman on-off gain in silicon-on-insulator nanowire waveguide laser amplifiers
    S. Mahdi, H. Rhee, A. Al-Saadi, C. Theiss, B. A. Franke, S. Kupijai, D. Selicke, L. Zimmermann, B. Tillack, H. H. Richter, H. J. Eichler, S. Meister
    Advanced Solid State Lasers Assl 2015, 2015
    Optical cw Raman gain of 18.4dB in SOI-nano-rib waveguides was obtained at 45mW internal pump power. Nonlinear on-off-gain increase at about 30mW pump power indicates that the Raman amplifier approaches the lasing threshold.
  • Silicon optical modulator with 3 μm diode
    Stefan Meister, Hanjo Rhee, Aws Al-Saadi, Bülent A. Franke, Sebastian Kupijai, Christoph Theiss, Hans J. Eichler, Bernd Tillack, Lars Zimmermann, Harald H. Richter, David Stolarek, Mateusz Lesny, Christian Meuer, Colja Schubert, Ulrike Woggon
    2014 IEEE Optical Interconnects Conference Oi 2014, 2014
    A silicon optical modulator using a novel node-matched-diode geometry is presented. The diode length is only 3 μm. NRZ data transmission of 10 Gb/s is demonstrated. According to the frequency response, 28 Gb/s are feasible.
  • Method for comprehensive dynamic spectral characterization of wavelength dependent modulators
    Optics Infobase Conference Papers, 2013
  • Performance improvement of silicon micro-cavity modulators by iteration of the p-i-n intrinsic region width
    A. Al-Saadi, C. Theiss, B.A. Franke, H.H. Richter, L. Zimmermann, S. Meister, D. Stolarek, H.J. Eichler, U. Woggon, H. Rhee, S. Kupijai, S. Mahdi
    Iet Conference Publications, 2013
    The distance between the p+- and n+-doped regions of the p-i-n diode in micro-cavity modulators represents a compromise between speed and loss. We varied the intrinsic region width to determine the influence on the modulator properties through simulations and experiments. A width of 0.7 μm was found to be the optimal value for modulation operation.
  • Matching p-i-n-junctions and optical modes enables fast and ultra-small silicon modulators
    Stefan Meister, Hanjo Rhee, Aws Al-Saadi, Bülent A. Franke, Sebastian Kupijai, Christoph Theiss, Lars Zimmermann, Bernd Tillack, Harald H. Richter, Hui Tian, David Stolarek, Thomas Schneider, Ulrike Woggon, Hans J. Eichler
    Optics Express, 2013
  • Frequency-to-time conversion based delay and dispersion generators in a CMOS Compatible SOI platform: Prospects and limitations
    Kambiz Jamshidi, Stefan Meister, Bülent Franke, Aws Al-Saadi, Sebastian Kupijai, Hui Tian, Lars Zimmermann, Thomas Schneider
    Optics Infobase Conference Papers, 2013
  • Integrated silicon E/O waveguide platform for advanced optoelectronic signal processing
    Lars Zimmermann, Andrzej Gajda, Georg Winzer, Harald Richter, Karsten Voigt, Stefan Meister, Hanjo Rhee, Christoph Theiss, Aws Al-Saadi, Bülent Franke, Sebastian Kupijai, Ulrike Woggon, Bernd Tillack, Klaus Petermann
    Optics Infobase Conference Papers, 2013
  • Compact electrically tunable delay generator on silicon
    2012 Conference on Lasers and Electro Optics CLEO 2012, 2012
  • An integratable electrically tunable dispersion trimming
    Integrated Photonics Research Silicon and Nanophotonics Iprsn 2012, 2012
  • Compact electrically tunable delay generator on silicon
    Optics Infobase Conference Papers, 2012
  • High speed silicon electro-optic modulator with p-i-n comb diode
    Aws Al-Saadi, Hans J. Eichler, Stefan Meister
    Optical and Quantum Electronics, 2012
  • Compact electrically tunable delay generator on silicon
    Kambiz Jamshidi, Stefan Meister, Buelent Andreas Franke, Olga Dyatlova, Aws Al-Saadi, Ulrike Woggon, Hans Joachim Eichler, Thomas Schneider
    CLEO Applications and Technology CLEO at 2012, 2012
  • Raman scattering and gain in silicon-on-insulator nanowire waveguides
    SHAIMAA MAHDI, STEFAN MEISTER, AWS AL-SAADI, BÜLENT A. FRANKE, SHA WANG, HANS J. EICHLER, LARS ZIMMERMANN, TIAN HUI, HARALD H. RICHTER, DAVID STOLAREK
    Journal of Nonlinear Optical Physics and Materials, 2012
  • Filters and electro-optic modulators on fiber end-faces
    Stefan Meister, Dawid Schweda, Marcus Dziedzina, Ronny Juhre, Aws Al-Saadi, Bülent A. Franke, Bernd Grimm, Sigurd K. Schrader, Stephanie J. Benight, Denise H. Bale, Ilya Kosilkin, Larry R. Dalton, Hans J. Eichler
    Proceedings of SPIE the International Society for Optical Engineering, 2011
  • Spontaneous and stimulated Raman scattering in planar silicon waveguides
    Sha Wang, Stefan Meister, Shaimaa Mahdi, Bülent A. Franke, Aws Al-Saadi, Lars Zimmermann, Harald H. Richter, David Stolarek, Viktor Lisinetskii, Viachaslau Ksianzou, Sigurd K. Schrader, H. J. Eichler
    Proceedings of SPIE the International Society for Optical Engineering, 2011
  • Micro-cavities based on width modulated SOI waveguides
    Stefan Meister, Aws Al-Saadi, Bülent A. Franke, Shaimaa Mahdi, Miroslaw Szczambura, Berndt Kuhlow, Ulrike Woggon, Lars Zimmermann, Harald H. Richter, David Stolarek, Sigurd K. Schrader, Hans J. Eichler
    Proceedings of SPIE the International Society for Optical Engineering, 2011
  • Integration of a tunable, optical delay generator in a silicon photonics platform
    Kambiz Jamshidi, Stefan Meister, Aws Al-Saadi, Hans Joachim Eichler, Thomas Schneider
    Optics Infobase Conference Papers, 2011
  • Facet preparation of silicon nano-waveguides by cleaving the SOI Chip
    SHAIMAA MAHDI, MORITZ GREHN, AWS AL-SAADI, MICHAEL HÖFNER, STEFAN MEISTER, HANS J. EICHLER
    Journal of Nonlinear Optical Physics and Materials, 2011
  • Single cavity filters on end-faces of optical fibers
    Stefan Meister, Dawid Schweda, Marcus Dziedzina, Aws Al-Saadi, Bülent A. Franke, Chris Scharfenorth, Bernd Grimm, Daniela Dufft, Sigurd K. Schrader, Hans J. Eichler
    Proceedings of SPIE the International Society for Optical Engineering, 2010
  • Photonic crystal microcavities in SOI waveguides produced in a CMOS environment
    Stefan Meister, Aws Al-Saadi, Bülent A. Franke, Shaimaa Mahdi, Berndt Kuhlow, Karsten Voigt, Bernd Tillack, Harald H. Richter, Lars Zimmermann, Viachaslau Ksianzou, Sigurd K. Schrader, Hans J. Eichler
    Proceedings of SPIE the International Society for Optical Engineering, 2010

RECENT SCHOLAR PUBLICATIONS

  • High-speed integrated QKD system
    R Sax, A Boaron, G Boso, S Atzeni, A Crespi, F Grünenfelder, D Rusca, ...
    Photonics Research 11 (6), 1007-1014 , 2023
    2023
    Citations: 90
  • Optoelectronic component including a photodetector and an optical damping member to damp the optical radiation passing to the photodetector
    U Keil, S Meister, M Vitali, L Yan, C Jiang, A AL-Saadi, H Rhee
    US Patent 11,159,131 , 2021
    2021
    Citations: 1
  • Optoelectronic component
    S Meister, H Rhee, C Theiss, A AL-Saadi
    US Patent 10,598,859 , 2020
    2020
    Citations: 2
  • Optoelectronic component having a resonator
    S Meister, H Rhee, C Theiss, A AL-Saadi, M Henniges, M Atif
    US Patent 10,025,030 , 2018
    2018
    Citations: 3
  • Injection modulator
    S Meister, ALS Aws, S Kupijai, C Theiss, H Rhee, L Zimmermann, ...
    US Patent 9,817,295 , 2017
    2017
  • Silicon photonics for 100 Gbit/s intra-data center optical interconnects
    S Meister, M Grehn, H Rhee, M Vitali, C Theiss, S Kupijai, A Al-Saadi, ...
    Optical Interconnects XVI 9753, 33-39 , 2016
    2016
    Citations: 16
  • Electro-optic modulator
    S Meister, ALS Aws, HJ Eichler, B Franke, L Zimmermann, B Tillack
    US Patent 9,195,112 , 2015
    2015
    Citations: 10
  • 25 Gb/s silicon photonics interconnect using a transmitter based on a node-matched-diode modulator
    S Kupijai, H Rhee, A Al-Saadi, M Henniges, D Bronzi, D Selicke, C Theiss, ...
    Journal of Lightwave Technology 34 (12), 2920-2923 , 2015
    2015
    Citations: 16
  • 18 dB cw Raman on-off Gain in Silicon-On-Insulator Nanowire Waveguide Laser Amplifiers
    S Mahdi, H Rhee, A Al-Saadi, C Theiss, BA Franke, S Kupijai, D Selicke, ...
    Advanced Solid State Lasers, AW1A. 8 , 2015
    2015
  • Silicon photonics interconnect based on ultra-small scalable components for multi-channel optical transceivers
    H Rhee, A Al-Saadi, S Kupijai, C Theiss, S Otte, HJ Eichler, U Woggon, ...
    2015 European Conference on Optical Communication (ECOC), 1-3 , 2015
    2015
  • 25 Gb/s data transmission with a node-matched-diode silicon modulator
    S Kupijai, H Rhee, A Al-Saadi, M Henniges, D Bronzi, D Selicke, C Theiss, ...
    2015 IEEE Optical Interconnects Conference (OI), 132-133 , 2015
    2015
    Citations: 2
  • High-speed Fabry–Pérot optical modulator in silicon with 3-μm diode
    S Meister, H Rhee, A Al-Saadi, BA Franke, S Kupijai, C Theiss, HJ Eichler, ...
    Journal of Lightwave Technology 33 (4), 878-881 , 2015
    2015
    Citations: 16
  • Silicon optical modulator with 3 µm diode
    S Meister, H Rhee, A Al-Saadi, BA Franke, S Kupijai, C Theiss, HJ Eichler, ...
    2014 Optical Interconnects Conference, 15-16 , 2014
    2014
    Citations: 1
  • Optical pulse delay generator
    S Meister, ALS Aws, HJ Eichler, K Jamshidi, T Schneider
    US Patent 8,705,899 , 2014
    2014
    Citations: 5
  • Performance improvement of silicon micro-cavity modulators by iteration of the pin intrinsic region width
    A Al-Saadi, BA Franke, S Kupijai, C Theiss, H Rhee, S Mahdi, ...
    39th European Conference and Exhibition on Optical Communication (ECOC 2013 … , 2013
    2013
    Citations: 2
  • Integrated Silicon E/O Waveguide Platform for Advanced Optoelectronic Signal Processing
    L Zimmermann, A Gajda, G Winzer, H Richter, K Voigt, S Meister, H Rhee, ...
    Integrated Photonics Research, Silicon and Nanophotonics, IT2A. 6 , 2013
    2013
  • Frequency-to-Time Conversion based Delay and Dispersion Generators in a CMOS Compatible SOI Platform: Prospects and Limitations
    K Jamshidi, S Meister, B Franke, A Al-Saadi, S Kupijai, H Tian, ...
    Integrated Photonics Research, Silicon and Nanophotonics, IW5A. 3 , 2013
    2013
  • Method for comprehensive dynamic spectral characterization of wavelength dependent modulators
    S Kupijai, S Meister, C Theiss, BA Franke, A Al-Saadi, B Tillack, ...
    Integrated Photonics Research, Silicon and Nanophotonics, IW4A. 4 , 2013
    2013
    Citations: 2
  • Matching pin-junctions and optical modes enables fast and ultra-small silicon modulators
    S Meister, H Rhee, A Al-Saadi, BA Franke, S Kupijai, C Theiss, ...
    Optics express 21 (13), 16210-16221 , 2013
    2013
    Citations: 39
  • Ultra-Compact High Speed Silicon Modulators for Photonic Integrated Circuits
    A al-Saadi
    mbv, Mensch-und-Buch-Verlag , 2013
    2013
    Citations: 1

MOST CITED SCHOLAR PUBLICATIONS

  • High-speed integrated QKD system
    R Sax, A Boaron, G Boso, S Atzeni, A Crespi, F Grünenfelder, D Rusca, ...
    Photonics Research 11 (6), 1007-1014 , 2023
    2023
    Citations: 90
  • Matching pin-junctions and optical modes enables fast and ultra-small silicon modulators
    S Meister, H Rhee, A Al-Saadi, BA Franke, S Kupijai, C Theiss, ...
    Optics express 21 (13), 16210-16221 , 2013
    2013
    Citations: 39
  • Silicon photonics for 100 Gbit/s intra-data center optical interconnects
    S Meister, M Grehn, H Rhee, M Vitali, C Theiss, S Kupijai, A Al-Saadi, ...
    Optical Interconnects XVI 9753, 33-39 , 2016
    2016
    Citations: 16
  • 25 Gb/s silicon photonics interconnect using a transmitter based on a node-matched-diode modulator
    S Kupijai, H Rhee, A Al-Saadi, M Henniges, D Bronzi, D Selicke, C Theiss, ...
    Journal of Lightwave Technology 34 (12), 2920-2923 , 2015
    2015
    Citations: 16
  • High-speed Fabry–Pérot optical modulator in silicon with 3-μm diode
    S Meister, H Rhee, A Al-Saadi, BA Franke, S Kupijai, C Theiss, HJ Eichler, ...
    Journal of Lightwave Technology 33 (4), 878-881 , 2015
    2015
    Citations: 16
  • Photonic crystal microcavities in SOI waveguides produced in a CMOS environment
    S Meister, A Al-Saadi, BA Franke, S Mahdi, B Kuhlow, K Voigt, B Tillack, ...
    Silicon Photonics V 7606, 330-339 , 2010
    2010
    Citations: 15
  • Photonic integrated circuits for optical communication: silicon technology enables high complex devices
    S Meister, B Franke, HJ Eichler, S Kupijai, H Rhee, AWS Al‐Saadi, ...
    Optik & Photonik 7 (2), 59-62 , 2012
    2012
    Citations: 12
  • Electro-optic modulator
    S Meister, ALS Aws, HJ Eichler, B Franke, L Zimmermann, B Tillack
    US Patent 9,195,112 , 2015
    2015
    Citations: 10
  • High speed silicon electro-optic modulator with pin comb diode
    A Al-Saadi, HJ Eichler, S Meister
    Optical and Quantum Electronics 44 (3), 125-131 , 2012
    2012
    Citations: 8
  • Facet preparation of silicon nano-waveguides by cleaving the SOI chip
    S Mahdi, M Grehn, A Al-Saadi, M Hoefner, S Meister, HJ Eichler
    Journal of Nonlinear Optical Physics & Materials 20 (04), 509-523 , 2011
    2011
    Citations: 6
  • Optical pulse delay generator
    S Meister, ALS Aws, HJ Eichler, K Jamshidi, T Schneider
    US Patent 8,705,899 , 2014
    2014
    Citations: 5
  • Optoelectronic component having a resonator
    S Meister, H Rhee, C Theiss, A AL-Saadi, M Henniges, M Atif
    US Patent 10,025,030 , 2018
    2018
    Citations: 3
  • Raman Scattering and Gain in Silicon-on-Insulator Nanowire waveguides
    S Mahdi, S Meister, A Al-Saadi, BA Franke, S Wang, HJ Eichler, ...
    Journal of Nonlinear Optical Physics & Materials 21 (02), 1250021 , 2012
    2012
    Citations: 3
  • Optoelectronic component
    S Meister, H Rhee, C Theiss, A AL-Saadi
    US Patent 10,598,859 , 2020
    2020
    Citations: 2
  • 25 Gb/s data transmission with a node-matched-diode silicon modulator
    S Kupijai, H Rhee, A Al-Saadi, M Henniges, D Bronzi, D Selicke, C Theiss, ...
    2015 IEEE Optical Interconnects Conference (OI), 132-133 , 2015
    2015
    Citations: 2
  • Performance improvement of silicon micro-cavity modulators by iteration of the pin intrinsic region width
    A Al-Saadi, BA Franke, S Kupijai, C Theiss, H Rhee, S Mahdi, ...
    39th European Conference and Exhibition on Optical Communication (ECOC 2013 … , 2013
    2013
    Citations: 2
  • Method for comprehensive dynamic spectral characterization of wavelength dependent modulators
    S Kupijai, S Meister, C Theiss, BA Franke, A Al-Saadi, B Tillack, ...
    Integrated Photonics Research, Silicon and Nanophotonics, IW4A. 4 , 2013
    2013
    Citations: 2
  • Compact electrically tunable delay generator on Silicon
    K Jamshidi, S Meister, BA Franke, O Dyatlova, A Al-Saadi, U Woggon, ...
    CLEO: Applications and Technology, JW4A. 5 , 2012
    2012
    Citations: 2
  • Integration of a tunable, optical delay generator in a silicon photonics platform
    K Jamshidi, S Meister, A Al-Saadi, HJ Eichler, T Schneider
    Integrated Photonics Research, Silicon and Nanophotonics, IWE5 , 2011
    2011
    Citations: 2
  • Filters and electro-optic modulators on fiber end-faces
    S Meister, D Schweda, M Dziedzina, R Juhre, A Al-Saadi, BA Franke, ...
    Laser Resonators and Beam Control XIII 7913, 151-157 , 2011
    2011
    Citations: 2