Semiconductor Vcsel Oxide Confined Current Calculator
Ideal uniform-current circular VCSELoxide aperture Jπr²with actual radius, not diameter. Current crowding, leakage, active aperture and operating safety external.
Description
A circular oxide aperture relates uniform current density to total current through its area.
A circular oxide aperture relates uniform current density to total current through its area.1
The radius and independently established uniform-density assumption determine the scenario.
When to use Semiconductor Vcsel Oxide Confined Current Calculator
Use this tool to obtain conditionalOxideApertureCurrentAmps from the supplied records using the stated calculation. Establish the device or material, operating point, units and independently applicable measurement or model calibration.
How to use Semiconductor Vcsel Oxide Confined Current Calculator and understand its results
- Establish the device or material, operating point, units and independently applicable measurement or model calibration.
- Enter actualOxideApertureRadiusMeters, independentlyMeasuredUniformCurrentDensityAmpsPerSquareMeter, using the field meanings and rules below, then run the tool.
- Read result.conditionalOxideApertureCurrentAmps. Use the units and sign conventions below, and review any unknown records separately.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| actualOxideApertureRadiusMeters | Actual oxide aperture radius meters | number | Required |
| independentlyMeasuredUniformCurrentDensityAmpsPerSquareMeter | Independently measured uniform current density amps per square meter | number | Required |
Require positive oxide-aperture radius in metres and nonnegative independently measured uniform current density in amperes per square metre. Multiply circular area by density. No nonuniform current profile, aperture shape correction or threshold calculation is supplied.
currentAmps=pi×radiusMeters²×uniformCurrentDensity Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Qualified observed calculation or explicit reference | object |
| result.conditionalOxideApertureCurrentAmps | Circular aperture area times independently established uniform current density. | number |
{
"input": {
"actualOxideApertureRadiusMeters": 2,
"independentlyMeasuredUniformCurrentDensityAmpsPerSquareMeter": 3
},
"output": {
"result": {
"conditionalOxideApertureCurrentAmps": 37.69911184307752
}
}
}Limitations and assumptions
Device structure, material state, operating conditions and calibration determine applicability. The result does not infer missing physical parameters, verify a transport mechanism or validate a fabricated device model.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Extremely large composite outputs are rejected.
Alternative or Complementary methods
For a related step, use Semiconductor Vcsel Polarization Switching Current Calculator: VCSEL polarization switching depends on the device, bias history and operating conditions. For a complementary comparison, use Semiconductor Quantum Well Laser Threshold Current Calculator: Quantum-well laser threshold depends on structure, well width and operating conditions.
References
Similar or alternative tools
- Semiconductor Vcsel Polarization Switching Current Calculator
VCSEL polarization switching depends on the device, bias history and operating conditions.
- Semiconductor Quantum Well Laser Threshold Current Calculator
Quantum-well laser threshold depends on structure, well width and operating conditions.