6533b824fe1ef96bd12816d0

RESEARCH PRODUCT

Single-mode room-temperature emission with a silicon rod lattice

Emmanuel PicardT. CharvolinPierre NoéV. CalvoEmmanuel HadjiBenoit Cluzel

subject

[PHYS.PHYS.PHYS-OPTICS] Physics [physics]/Physics [physics]/Optics [physics.optics]Materials sciencePhotoluminescence[SPI.OPTI] Engineering Sciences [physics]/Optics / PhotonicPhysics and Astronomy (miscellaneous)Silicon[SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/MicroelectronicsPhysics::Opticschemistry.chemical_elementSilicon on insulator02 engineering and technology[SPI.MAT] Engineering Sciences [physics]/Materials7. Clean energy01 natural sciences[SPI.MAT]Engineering Sciences [physics]/Materials0103 physical sciencesHexagonal lattice[SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/MicroelectronicsComputingMilieux_MISCELLANEOUSPhotonic crystal010302 applied physics[PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics]business.industry[SPI.ELEC] Engineering Sciences [physics]/Electromagnetism021001 nanoscience & nanotechnologyYablonovite[PHYS.COND.CM-MS] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci][SPI.TRON] Engineering Sciences [physics]/Electronics[SPI.TRON]Engineering Sciences [physics]/Electronics[SPI.ELEC]Engineering Sciences [physics]/Electromagnetismchemistry[PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci][SPI.OPTI]Engineering Sciences [physics]/Optics / PhotonicOptoelectronicsLight emission0210 nano-technologybusinessLuminescence

description

The authors experimentally evidence an increase of light emission efficiency at room temperature in a silicon-on-insulator photonic crystal. The photonic crystal is made of a triangular lattice of silicon rods and operates as a single-mode light extractor. It exhibits a luminescence intensity two orders of magnitude higher than silicon-on-insulator substrate. In light of photoluminescence experiments, emission diagram measurements, and finite difference time domain calculations, they identify the different optical properties of the photonic crystal and they demonstrate the existence of at least a fivefold emission efficiency enhancement per surface unit.

https://hal-cea.archives-ouvertes.fr/cea-01996847