Prof. Sajeev John Profile

Prof. Sajeev John

at Univ of Toronto

SPIE Involvement:

Author

Proceedings Article | 1 April 2022 Presentation

Formation of large area light trapping patterns for Si solar cells

Jovan Maksimovic, Jingwen Hu, Soon Hock Ng, Tomas Katkus, Gediminas Seniutinas, Tatiana Pinedo Rivera, Michael Stuiber, Yoshiaki Nishijima, Sajeev John, Saulius Juodkazis

Proceedings Volume PC11989, PC119890A (2022) https://doi.org/10.1117/12.2609604

KEYWORDS: Silicon, Electron beam lithography, Solar cells, Photons, Transistors, Photomasks, Visible radiation, Slow light, Semiconductor lasers, Reflectivity

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Proceedings Article | 5 March 2021 Presentation + Paper

Large area ≫ 1 cm2 light trapping patterns for Si solar cells

Jovan Maksimovic, Jingwen Hu, Soon Hock Ng, Tomas Katkus, Gediminas Seniutinas, Yoshiaki Nishijima, Sajeev John, Saulius Juodkazis

Proceedings Volume 11696, 116960T (2021) https://doi.org/10.1117/12.2578303

KEYWORDS: Silicon, Solar cells, Photonic crystals, Optical lithography, Chromium, Photomasks, Wet etching, Slow light, Silicon solar cells

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Proceedings Article | 20 August 2020 Presentation

Super Planckian thermal radiation emitted into the far-field from a nano-filament of photonic crystal

Shawn-Yu Lin, Mei-Li Hsieh, Sajeev John

Proceedings Volume 11498, 1149805 (2020) https://doi.org/10.1117/12.2569364

KEYWORDS: Photonic crystals, Black bodies, Tungsten, Resonators, Light sources

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Proceedings Article | 20 August 2020 Presentation

A holographic approach for a low cost and large-scale synthesis of 3D photonic crystal with SP2 lattice symmetry

Mei-Li Hsieh, Sajeev John, Shawn-Yu Lin

Proceedings Volume 11498, 1149808 (2020) https://doi.org/10.1117/12.2567840

KEYWORDS: Photonic crystals, Wafer-level optics, Lithography, Photomasks, Cadmium sulfide, Platinum, FT-IR spectroscopy, Reflectivity, Finite-difference time-domain method, Dispersion

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SPIE Journal Paper | 21 May 2018 Open Access

Photonic crystals with a continuous, Gaussian-type surface profile for near-perfect light trapping

Ping Kuang, Sayak Bhattacharya, Mei-Li Hsieh, Sajeev John, Shawn-Yu Lin

JNP, Vol. 12, Issue 02, 026011, (May 2018) https://doi.org/10.1117/12.10.1117/1.JNP.12.026011

KEYWORDS: Reactive ion etching, Absorption, Silicon, Etching, Photonic crystals, Solar energy, Solar cells, Scanning electron microscopy, Ultraviolet radiation, Reflection

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Proceedings Article | 29 September 2014 Paper

Light trapping and solar energy harvesting in thin-film photonic crystals

Sajeev John

Proceedings Volume 9162, 916216 (2014) https://doi.org/10.1117/12.2061129

KEYWORDS: Photonic crystals, Silicon, Absorption, Gallium arsenide, Solar cells, Thin films, Crystals, Silica, Electromagnetism, Plasmonics

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Proceedings Article | 25 September 2013 Paper

Light trapping in nanotube-based dye-sensitized solar cells

S. Foster, S. John

Proceedings Volume 8824, 882407 (2013) https://doi.org/10.1117/12.2024499

KEYWORDS: Dye sensitized solar cells, Absorption, Modulation, Nanoparticles, Dielectrics, Photonic crystals, Finite element methods, Reflection, Solar cells, Titanium dioxide

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Proceedings Article | 25 September 2013 Paper

Solar light trapping in slanted conical-pore photonic crystals

Sergey Eyderman, Sajeev John, Alexei Deinega

Proceedings Volume 8824, 88240L (2013) https://doi.org/10.1117/12.2023409

KEYWORDS: Silicon, Absorption, Photonic crystals, Silica, Packaging, Solar cells, Reflection, Crystals, Silver, Modulation

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Proceedings Article | 11 June 2003 Paper

Fabrication of square spiral photonic crystals by glancing angle deposition

Scott Kennedy, Michael Brett, O. Toader, Sajeev John

Proceedings Volume 5023, (2003) https://doi.org/10.1117/12.511549

KEYWORDS: Photonic crystals, Crystals, Fabrication, Thin film deposition, Thin films, Diamond, Physics, Lithography, Radio propagation, Silicon

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Proceedings Article | 17 February 2003 Paper

All-optical transistor action in photonic bandgap materials

Marian Florescu, Sajeev John

Proceedings Volume 4833, (2003) https://doi.org/10.1117/12.474416

KEYWORDS: Switching, Chemical species, Laser beam diagnostics, Transistors, Photonic crystals, Electromagnetism, Beam controllers, Dielectrics, Heterojunctions, Switches

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SPIE Journal Paper | 2 April 1996 Open Access

Optical coherence propagation and imaging in a multiple scattering medium

Sajeev John, Gendi Pang, Yumin Yang

JBO, Vol. 1, Issue 02, (April 1996) https://doi.org/10.1117/12.10.1117/12.231369

KEYWORDS: Scattering, Dielectrics, Radiative transfer, Optical spheres, Light scattering, Diffusion, Multiple scattering, Particles, Wave propagation, Photons

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Proceedings Article | 30 May 1995 Paper

Multiple light scattering tomography: beyond the diffusion approximation

Sajeev John, Gendi Pang, Yumin Yang

Proceedings Volume 2389, (1995) https://doi.org/10.1117/12.209953

KEYWORDS: Scattering, Dielectrics, Light scattering, Diffusion, Particles, Multiple scattering, Optical spheres, Wave propagation, Tumors, Bohrium

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Showing 5 of 12 publications

Conference Committee Involvement (1)

SPIE Micro+Nano Materials, Devices, and Systems

9 December 2013 | Melbourne, Victoria, Australia

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