Publication | Closed Access
New formula for semiconductor laser facet reflectivity
35
Citations
8
References
1993
Year
Optical MaterialsEngineeringLaser ScienceLaser ApplicationsOptical MetrologyLaser MaterialHigh-power LasersLaser FacetLaser OpticsSurface ReflectanceSemiconductor LasersOptical PropertiesMain Mode ReflectivityAnalytic ExpressionReflectanceGraded-reflectivity MirrorsPhotonicsLaser Beam PropagationOptoelectronicsAdvanced Laser ProcessingNew FormulaApplied PhysicsLaser SafetyLaser-surface InteractionsWater Surface ReflectanceLaser Damage
An analytic expression for the main mode reflectivity of a multicoated laser facet at normal incidence is derived using the free space radiation mode technique. This uses exact guided modes, and accurately models the radiation modes near the facet. The results compare favorably with exact TE and TM benchmarks while retaining the simplicity and speed of the Fresnel approximations.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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