Function of photodetectors in fibre optic communication, Physics

Assignment Help:

Define the function of photodetectors in fibre optic communication system.

Photo-detectors:

At the receiver end, conversion of optical signal into analog signal is being done with the help of photo detectors for example photodiode. The photo detectors are required to have

a. High quantum efficiency photon to electron (e-) conversion efficiency

b. Sufficient frequency response speed of response

c. Low dark current: low leakage current into a reverse biased diode within the absence of illumination

d. Low signal dependent noise capable to respond for signal quite than noise


Related Discussions:- Function of photodetectors in fibre optic communication

Determine the voltage resolution of converter, 1. A 12-bit analog-to-digita...

1. A 12-bit analog-to-digital converter (ADC) works over the range of -5 volts to + 5 volts.  (a) What is the voltage resolution of this converter?   (b) Assuming -5 V is rep

Define electric circuits, Define Electric Circuits So far we have only ...

Define Electric Circuits So far we have only looked at electric charges sitting still and static discharges (like a shock or lightning). When we count on the charges moving thr

Characteristic of a photodiode, a) Sketch an IV characteristic of a photodi...

a) Sketch an IV characteristic of a photodiode, showing how the curve shifts as a result of the illumination intensity incident on the device being varied. b) Indicate on the c

What is the velocity of the combined system - collision, A 10 kilogram body...

A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest.  The two objects stick together

Define strain, When deforming forces are applied to a body, there is a chan...

When deforming forces are applied to a body, there is a change in the size of the body. The object is known as strained or deformed. The ratio of change in dimension to the origina

Define gravity force, What is Gravity Force (Fgrav): Force with which t...

What is Gravity Force (Fgrav): Force with which the earth, moon, or massively large object attracts another object towards itself. By meaning, this is the weight of the object.

Internal combustion engine, draw and explain the internal combustion engine...

draw and explain the internal combustion engine as it relates to carnot cycle and otto cycle

Dielectric constant of the material filling the gap, a) How much charge sho...

a) How much charge should be placed on it to raise its potential to 10,000 V. b)  A parallel plate capacitor having plate area 100 cm 2 and separation 1.0 mm holds a charge of

Bodes law, Bode's law, Titius-Bode law A mathematical formula that gene...

Bode's law, Titius-Bode law A mathematical formula that generates, along with a reasonable amount of accuracy, semimajor axes of the planets in order out from the Sun. Write th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd