Matches in SemOpenAlex for { <https://semopenalex.org/work/W2013219924> ?p ?o ?g. }
Showing items 1 to 82 of
82
with 100 items per page.
- W2013219924 abstract "We have derived and implemented a simplified dynamical multi-mode model for vertical-cavity surface-emitting lasers (VCSELs) requiring minimal computing resources while remaining realistic. A set of spatially independent rate equations with a minimum of parameters is extracted from the general spatially resolved equations and reduced to dimensionless form to expose its essentials. The shape of the carrier density distribution is approximated with a linear sum of the modal shapes which are considered to be bias independent for index-guided devices. Despite this simplification the model, which can be extended to any number of laser modes, includes important effects like spatial hole burning (SHB), carrier diffusion and inhomogeneous injection and shows good agreement with spatially resolved models. We describe the reduction and nondimensionalization of the general spatially resolved equations. The implementation inside a C++ rate-equation framework is discussed and shown to provide a powerful and flexible environment to efficiently study the contribution of different factors. The effect of spatial hole burning (SHB) and mode competition on the small signal modulation response is investigated in three basic cases. The comparison between a single mode VCSEL without SHB, a single mode VCSEL including SHB and two mode VCSEL including SHB enables us to pinpoint which contributions are due to SHB and which are due to the modal competition. Finally,the possibility of using this approach to model polarization switching in VCSELs is discussed. The unavoidable small birefringence (with elasto-optic and electro-optic contributions) present in all VCSELs leads to a doubling of each mode into two orthogonal polarization states which are almost degenerate. Although small, the birefringence causes gain differences: part of which are due to frequency dependent gain and loss of the materials and part of which are due to slightly different transverse modal shapes. As these gain differences depend on the injected current, they can be one of the causes of polarization switching." @default.
- W2013219924 created "2016-06-24" @default.
- W2013219924 creator A5023942092 @default.
- W2013219924 creator A5068679910 @default.
- W2013219924 date "2003-04-15" @default.
- W2013219924 modified "2023-10-03" @default.
- W2013219924 title "Modeling spatial hole burning and mode competition in index-guided VCSELs" @default.
- W2013219924 doi "https://doi.org/10.1117/12.468480" @default.
- W2013219924 hasPublicationYear "2003" @default.
- W2013219924 type Work @default.
- W2013219924 sameAs 2013219924 @default.
- W2013219924 citedByCount "7" @default.
- W2013219924 countsByYear W20132199242016 @default.
- W2013219924 countsByYear W20132199242018 @default.
- W2013219924 countsByYear W20132199242019 @default.
- W2013219924 countsByYear W20132199242022 @default.
- W2013219924 crossrefType "proceedings-article" @default.
- W2013219924 hasAuthorship W2013219924A5023942092 @default.
- W2013219924 hasAuthorship W2013219924A5068679910 @default.
- W2013219924 hasConcept C106246969 @default.
- W2013219924 hasConcept C111163200 @default.
- W2013219924 hasConcept C111919701 @default.
- W2013219924 hasConcept C120665830 @default.
- W2013219924 hasConcept C121332964 @default.
- W2013219924 hasConcept C121477167 @default.
- W2013219924 hasConcept C121864883 @default.
- W2013219924 hasConcept C147789679 @default.
- W2013219924 hasConcept C148898269 @default.
- W2013219924 hasConcept C180861198 @default.
- W2013219924 hasConcept C185592680 @default.
- W2013219924 hasConcept C188027245 @default.
- W2013219924 hasConcept C192562407 @default.
- W2013219924 hasConcept C205049153 @default.
- W2013219924 hasConcept C24872484 @default.
- W2013219924 hasConcept C2777813233 @default.
- W2013219924 hasConcept C41008148 @default.
- W2013219924 hasConcept C48677424 @default.
- W2013219924 hasConcept C49040817 @default.
- W2013219924 hasConcept C520434653 @default.
- W2013219924 hasConcept C57879066 @default.
- W2013219924 hasConcept C62520636 @default.
- W2013219924 hasConcept C71139939 @default.
- W2013219924 hasConceptScore W2013219924C106246969 @default.
- W2013219924 hasConceptScore W2013219924C111163200 @default.
- W2013219924 hasConceptScore W2013219924C111919701 @default.
- W2013219924 hasConceptScore W2013219924C120665830 @default.
- W2013219924 hasConceptScore W2013219924C121332964 @default.
- W2013219924 hasConceptScore W2013219924C121477167 @default.
- W2013219924 hasConceptScore W2013219924C121864883 @default.
- W2013219924 hasConceptScore W2013219924C147789679 @default.
- W2013219924 hasConceptScore W2013219924C148898269 @default.
- W2013219924 hasConceptScore W2013219924C180861198 @default.
- W2013219924 hasConceptScore W2013219924C185592680 @default.
- W2013219924 hasConceptScore W2013219924C188027245 @default.
- W2013219924 hasConceptScore W2013219924C192562407 @default.
- W2013219924 hasConceptScore W2013219924C205049153 @default.
- W2013219924 hasConceptScore W2013219924C24872484 @default.
- W2013219924 hasConceptScore W2013219924C2777813233 @default.
- W2013219924 hasConceptScore W2013219924C41008148 @default.
- W2013219924 hasConceptScore W2013219924C48677424 @default.
- W2013219924 hasConceptScore W2013219924C49040817 @default.
- W2013219924 hasConceptScore W2013219924C520434653 @default.
- W2013219924 hasConceptScore W2013219924C57879066 @default.
- W2013219924 hasConceptScore W2013219924C62520636 @default.
- W2013219924 hasConceptScore W2013219924C71139939 @default.
- W2013219924 hasLocation W20132199241 @default.
- W2013219924 hasOpenAccess W2013219924 @default.
- W2013219924 hasPrimaryLocation W20132199241 @default.
- W2013219924 hasRelatedWork W1881511677 @default.
- W2013219924 hasRelatedWork W1984552783 @default.
- W2013219924 hasRelatedWork W2025197692 @default.
- W2013219924 hasRelatedWork W2050172980 @default.
- W2013219924 hasRelatedWork W2086725542 @default.
- W2013219924 hasRelatedWork W2171112337 @default.
- W2013219924 hasRelatedWork W2465888290 @default.
- W2013219924 hasRelatedWork W2618939987 @default.
- W2013219924 hasRelatedWork W4320811815 @default.
- W2013219924 hasRelatedWork W2124153044 @default.
- W2013219924 isParatext "false" @default.
- W2013219924 isRetracted "false" @default.
- W2013219924 magId "2013219924" @default.
- W2013219924 workType "article" @default.