Responsivity of Photodetector Calculator

↳

Electronics

Chemical Engineering

Civil

Electrical

Electronics and Instrumentation

Materials Science

Mechanical

Production Engineering

⤿

C-V Actions of Optics Transmission

Fiber Optic Parameters

Optical Detectors

Transmission Measurements

✖Photocurrent is the electrical current produced by the photodetector when exposed to light.ⓘ Photocurrent [I_p]			+10% -10%
✖Incident Power w.r.t optics is the amount of optical power (light energy) incident on the photodetector.ⓘ Incident Power [P_o]			+10% -10%

✖Responsivity of Photodetector quantifies how much electrical current a photodetector generates in response to a certain amount of incident optical power.ⓘ Responsivity of Photodetector [R]

⎘ Copy

👎

Formula

✖

Responsivity of Photodetector

Formula

`"R" = "I"_{"p"}/"P"_{"o"}`

Example

`"40000A"="70mA"/"1.75µW"`

Calculator

LaTeX

Reset

👍

Download Electronics Formula PDF PDF Image

Responsivity of Photodetector Solution

STEP 0: Pre-Calculation Summary

Formula Used

Responsivity of Photodetector = Photocurrent/Incident Power
R = I_p/P_o
This formula uses 3 Variables

Variables Used

Responsivity of Photodetector - (Measured in Ampere) - Responsivity of Photodetector quantifies how much electrical current a photodetector generates in response to a certain amount of incident optical power.
Photocurrent - (Measured in Ampere) - Photocurrent is the electrical current produced by the photodetector when exposed to light.
Incident Power - (Measured in Watt) - Incident Power w.r.t optics is the amount of optical power (light energy) incident on the photodetector.

STEP 1: Convert Input(s) to Base Unit

Photocurrent: 70 Milliampere --> 0.07 Ampere (Check conversion here)
Incident Power: 1.75 Microwatt --> 1.75E-06 Watt (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R = I_p/P_o --> 0.07/1.75E-06

Evaluating ... ...

R = 40000

STEP 3: Convert Result to Output's Unit

40000 Ampere --> No Conversion Required

FINAL ANSWER

40000 Ampere <-- Responsivity of Photodetector

(Calculation completed in 00.004 seconds)

You are here -

Home » Engineering » Electronics » Fiber Optic Transmission » C-V Actions of Optics Transmission » Responsivity of Photodetector

Credits

Created by Santhosh Yadav

Dayananda Sagar College Of Engineering (DSCE), Banglore

Santhosh Yadav has created this Calculator and 50+ more calculators!

Verified by Ritwik Tripathi

Vellore Institute of Technology (VIT Vellore), Vellore

Ritwik Tripathi has verified this Calculator and 100+ more calculators!

< 17 C-V Actions of Optics Transmission Calculators

Noise Equivalent Power

Go Noise Equivalent Power = [hP]*[c]*sqrt(2*Charge Of Particles*Dark Current)/(Quantum Efficiency*Charge Of Particles*Wavelength of Light)

Passband Ripple

Go Passband Ripple = ((1+sqrt(Resistance 1*Resistance 2)*Single Pass Gain)/(1-sqrt(Resistance 1*Resistance 2)*Single Pass Gain))^2

ASE Noise Power

Go ASE Noise Power = Mode Number*Spontaneous Emission Factor*(Single Pass Gain-1)*([hP]*Frequency Of Incident Light)*Post Detection Bandwidth

Noise Figure given ASE Noise Power

Go Noise Figure = 10*log10(ASE Noise Power/(Single Pass Gain*[hP]*Frequency Of Incident Light*Post Detection Bandwidth))

Output Photo Current

Go Photocurrent = Quantum Efficiency*Incident Optical Power*[Charge-e]/([hP]*Frequency Of Incident Light)

Peak Parametric Gain

Go Peak Parametric Gain = 10*log10(0.25*exp(2*Fiber Non Linear Coefficient*Pump Signal Power*Fiber Length))

Responsivity with reference of Wavelength

Go Responsivity of Photodetector = (Quantum Efficiency*[Charge-e]*Wavelength of Light)/([hP]*[c])

Total Shot Noise

Go Total Shot Noise = sqrt(2*[Charge-e]*Post Detection Bandwidth*(Photocurrent+Dark Current))

Responsivity in relation to Photon Energy

Go Responsivity of Photodetector = (Quantum Efficiency*[Charge-e])/([hP]*Frequency Of Incident Light)

Thermal Noise Current

Go Thermal Noise Current = 4*[BoltZ]*Absolute Temperature*Post Detection Bandwidth/Resistivity

Gain Coefficient

Go Net Gain Coefficient Per Unit Length = Optical Confinement Factor*Material Gain Coefficient-Effective Loss Coefficient

Junction Capacitance of Photodiode

Go Junction Capacitance = Permittivity of Semiconductor*Junction Area/Depletion Layer Width

Dark Current Noise

Go Dark Current Noise = 2*Post Detection Bandwidth*[Charge-e]*Dark Current

Load Resistor

Go Load Resistance = 1/(2*pi*Post Detection Bandwidth*Capacitance)

Optical Gain of Phototransistor

Go Optical Gain of Phototransistor = Quantum Efficiency*Common Emitter Current Gain

PhotoConductive Gain

Go PhotoConductive Gain = Slow Carrier Transit Time/Fast Carrier Transit Time

Responsivity of Photodetector

Go Responsivity of Photodetector = Photocurrent/Incident Power

Responsivity of Photodetector Formula

Responsivity of Photodetector = Photocurrent/Incident Power
R = I_p/P_o

Why is responsivity an essential parameter when evaluating photodetectors for specific applications?

Responsivity is a crucial performance metric for photodetectors as it quantifies their sensitivity to incident light and their ability to efficiently convert light into electrical signals. A higher responsivity indicates that a photodetector can detect even weak optical signals, making it essential in applications where precise measurements are required.

How to Calculate Responsivity of Photodetector?

Responsivity of Photodetector calculator uses Responsivity of Photodetector = Photocurrent/Incident Power to calculate the Responsivity of Photodetector, Responsivity of Photodetector refers to a measure of their sensitivity to incident light or radiation. It quantifies how efficiently a device converts incoming optical or electromagnetic radiation into an electrical response. Responsivity is typically expressed in units of Amperes per Watt (A/W) and represents the photocurrent generated per unit of incident optical power. Responsivity of Photodetector is denoted by R symbol.

How to calculate Responsivity of Photodetector using this online calculator? To use this online calculator for Responsivity of Photodetector, enter Photocurrent (I_p) & Incident Power (P_o) and hit the calculate button. Here is how the Responsivity of Photodetector calculation can be explained with given input values -> 1.666667 = 70/1.75.

FAQ

What is Responsivity of Photodetector?

Responsivity of Photodetector refers to a measure of their sensitivity to incident light or radiation. It quantifies how efficiently a device converts incoming optical or electromagnetic radiation into an electrical response. Responsivity is typically expressed in units of Amperes per Watt (A/W) and represents the photocurrent generated per unit of incident optical power and is represented as R = I_p/P_o or Responsivity of Photodetector = Photocurrent/Incident Power. Photocurrent is the electrical current produced by the photodetector when exposed to light & Incident Power w.r.t optics is the amount of optical power (light energy) incident on the photodetector.

How to calculate Responsivity of Photodetector?

Responsivity of Photodetector refers to a measure of their sensitivity to incident light or radiation. It quantifies how efficiently a device converts incoming optical or electromagnetic radiation into an electrical response. Responsivity is typically expressed in units of Amperes per Watt (A/W) and represents the photocurrent generated per unit of incident optical power is calculated using Responsivity of Photodetector = Photocurrent/Incident Power. To calculate Responsivity of Photodetector, you need Photocurrent (I_p) & Incident Power (P_o). With our tool, you need to enter the respective value for Photocurrent & Incident Power and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Responsivity of Photodetector?

In this formula, Responsivity of Photodetector uses Photocurrent & Incident Power. We can use 2 other way(s) to calculate the same, which is/are as follows -

Responsivity of Photodetector = (Quantum Efficiency*[Charge-e])/([hP]*Frequency Of Incident Light)
Responsivity of Photodetector = (Quantum Efficiency*[Charge-e]*Wavelength of Light)/([hP]*[c])

Home

FREE PDFs

🔍 Search