Sajeev John, University of Toronto

Research

acoustic wave trapping and absorption applications of wave localization exciton-polariton condensates high-efficiency thin-film solar cells lab-in-a-photonic crystal medical biosensor light-matter interactions novel quantum many-body states phononic crystals

Latest papers

Silicon Carbide Photonic Crystal Photoelectrode.
Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025 · senior author
Fragility of the Schrödinger Cat in thermal environments.
Scientific reports · 2023 · senior author
Sound trapping and waveguiding in locally resonant viscoelastic phononic crystals.
Scientific reports · 2023 · senior author

All 22 publications

Latest funding

Photonic Crystals, Wave Localization and Applications
NSERC · 2019 · Principal investigator
$246,000
Optical Sciences
NSERC · 2014 · Principal investigator
$200,000
Optical Sciences
NSERC · 2014 · Principal investigator
$850,000

All 15 grants and awards

22 publications.

01

Silicon Carbide Photonic Crystal Photoelectrode.

Zhang X, John S

Advanced science (Weinheim, Baden-Wurttemberg, Germany)2025Senior author

DOI: 10.1002/advs.202415552 PMID: 40091502

02

Fragility of the Schrödinger Cat in thermal environments.

Bera S, Yip KLS, John S

Scientific reports2023Senior author

DOI: 10.1038/s41598-023-45701-3 PMID: 37907662

03

Sound trapping and waveguiding in locally resonant viscoelastic phononic crystals.

Yip KLS, John S

Scientific reports2023Senior author

DOI: 10.1038/s41598-023-42452-z PMID: 37714916

04

Experimental demonstration of broadband solar absorption beyond the lambertian limit in certain thin silicon photonic crystals.

Hsieh ML, Kaiser A, Bhattacharya S, John S, Lin SY

Scientific reports2020

DOI: 10.1038/s41598-020-68704-w PMID: 32678229

05

An In-situ and Direct Confirmation of Super-Planckian Thermal Radiation Emitted From a Metallic Photonic-Crystal at Optical Wavelengths.

Lin SY, Hsieh ML, John S, Frey B, Bur JA, Luk TS, Wang X, Narayanan S

Scientific reports2020

DOI: 10.1038/s41598-020-62063-2 PMID: 32251361

06

Beyond 30% Conversion Efficiency in Silicon Solar Cells: A Numerical Demonstration.

Bhattacharya S, John S

Scientific reports2019Senior author

DOI: 10.1038/s41598-019-48981-w PMID: 31462672

07

Topological light-trapping on a dislocation.

Li FF, Wang HX, Xiong Z, Lou Q, Chen P, Wu RX, Poo Y, Jiang JH, John S

Nature communications2018Senior author

DOI: 10.1038/s41467-018-04861-x PMID: 29941903

08

Effectively infinite optical path-length created using a simple cubic photonic crystal for extreme light trapping.

Frey BJ, Kuang P, Hsieh ML, Jiang JH, John S, Lin SY

Scientific reports2017

DOI: 10.1038/s41598-017-03800-y PMID: 28646167

09

Probing the intrinsic optical Bloch-mode emission from a 3D photonic crystal.

Hsieh ML, Bur JA, Du Q, John S, Lin SY

Nanotechnology2016

DOI: 10.1088/0957-4484/27/41/415204 PMID: 27606574

10

Achieving an Accurate Surface Profile of a Photonic Crystal for Near-Unity Solar Absorption in a Super Thin-Film Architecture.

Kuang P, Eyderman S, Hsieh ML, Post A, John S, Lin SY

ACS nano2016

DOI: 10.1021/acsnano.6b01875 PMID: 27258082