Search Results - "Ahmed Waseem, Waqas Waseem"

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  2. 2

    Broad-angle coherent perfect absorption-lasing and super-collimation in two-dimensional non-Hermitian photonic crystals by Xu, Changqing, Ahmed, Waqas Waseem, Wu, Ying

    Published in Optics express (16-01-2023)
    “…Coherent perfect absorption-lasing (CPAL) and collimation have been intensively studied for normal and small angle wave incidence. Here, we report a…”
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    Journal Article
  3. 3

    Inverse-design of non-Hermitian potentials for on-demand asymmetric reflectivity by Ahmed, Waqas Waseem, Herrero, Ramon, Botey, Muriel, Wu, Ying, Staliunas, Kestutis

    Published in Optics express (24-05-2021)
    “…We propose a genetic algorithm-assisted inverse design approach to achieve ‘ on- demand ’ light transport in periodic and non-periodic planar structures…”
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    Journal Article
  4. 4

    Locally parity-time-symmetric and globally parity-symmetric systems by Ahmed Waseem, Waqas Waseem, Herrero Simon, Ramon, Botey Cumella, Muriel, Staliunas, Kestutis

    Published 11-11-2016
    “…We introduce a class of systems holding parity-time (PT) symmetry locally, whereas being globally P symmetric. The potential, U = U(vertical bar r vertical…”
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    Publication
  5. 5

    Structural Phylogenomics: Selection Pressure Suggests the Functionally Important Residues Encoded by Cisplatin Resistance Related 9 Gene by Saadia Shakir, Waqas Ahmed Waseem, Syed Khaqan Hasan, Muhammad Munir, Muhammad Rafiq Khanani, Mushtaq Hussain

    “…Cisplatin Resistance Related 9 gene, CRR9, contributes towards the efficacy of the chemotherapeutic drug namely cisplatin. Genetic studies have established the…”
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    Journal Article
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    Structural Phylogenomics: Selection Pressure Suggests the Functionally Important Residues Encoded by Cisplatin Resistance Related 9 Gene by Saadia Shakir, Waqas Ahmed Waseem, Syed Khaqan Hasan, Muhammad Munir, Muhammad Rafiq Khanani, Mushtaq Hussain

    “…Cisplatin Resistance Related 9 gene, CRR9, contributes towards the efficacy of the chemotherapeutic drug namely cisplatin. Genetic studies have established the…”
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    Journal Article
  7. 7

    Plasmon-Enhanced White Light Generation in Phosphor Based GaN LEDs by Ahmed, Waqas Waseem

    Published 01-01-2014
    “…White light emitting diodes (wLEDs) are on the brink of a breakthrough in general illumination, due to their unique properties as compared to conventional…”
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    Dissertation
  8. 8

    Stabilization of flat-mirror vertical-external-cavity surface-emitting lasers by spatiotemporal modulation of the pump profile by Ahmed, W. W., Kumar, S., Herrero, R., Botey, M., Radziunas, M., Staliunas, K.

    “…We propose and demonstrate theoretically that vertical-external-cavity surface-emitting lasers (VECSELs) with external flat mirrors can be stabilized by…”
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    Journal Article Publication
  9. 9

    Structural Phylogenomics: Selection Pressure Suggests the Functionally Important Residues Encoded by Cisplatin Resistance Related 9 Gene by Saadia Shakir, Waqas Ahmed Waseem, Syed Khaqan Hasan, Muhammad Munir, Muhammad Rafiq Khanani, Mushtaq Hussain

    “…Cisplatin Resistance Related 9 gene, CRR9, contributes towards the efficacy of the chemotherapeutic drug namely cisplatin. Genetic studies have established the…”
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    Journal Article
  10. 10

    Non-Hermitian Light Management Based on Local Hilbert Transform by Staliunas, K., Ahmed, W. W., Botey, M., Herrero, R.

    “…We demonstrate a novel idea of nonhermitian management of light based on a local Hilbert transform. Local Hilbert transform, a substantial modification of…”
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    Conference Proceeding
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    PT-axisymmetric VCSELs with linear central defect by Ahmed, Waqas W., Botey, Muriel, Herrero, Ramon, Staliunas, Kestutis

    “…Semiconductor Lasers and particularly Vertical-Cavity Surface-Emitting Lasers (VCSELs) are important laser sources used for many purposes. However, the…”
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    Conference Proceeding
  12. 12

    Self-collimated beams in 2D complex periodic lattices from P- to PT-symmetry by Ahmed, W. W., Botey, M., Herrero, R., Staliunas, K.

    “…We analyze self-collimation in two-dimensional periodic complex lattices. We consider P-symmetric and PT-symmetric complex lattices with different geometries,…”
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    Conference Proceeding
  13. 13

    PT-axisymmetric photonic nanostructures by Ahmed, Waqas W., Botey, Muriel, Herrero, Ramon, Staliunas, Kestutis

    “…Optical Parity-Time (PT-) symmetric systems support unusual properties. When the symmetric coupling between internal modes is broken the system becomes…”
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    Conference Proceeding