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diff --git a/Fiber_Optics_and_Optoelectronics_by_R_P_Khare/8-Optoelectronic_Detectors.ipynb b/Fiber_Optics_and_Optoelectronics_by_R_P_Khare/8-Optoelectronic_Detectors.ipynb new file mode 100644 index 0000000..f0ae309 --- /dev/null +++ b/Fiber_Optics_and_Optoelectronics_by_R_P_Khare/8-Optoelectronic_Detectors.ipynb @@ -0,0 +1,332 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 8: Optoelectronic Detectors" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.1: wavelength_and_optical_power_and.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 8.1: The photon energy and optical power\n", +"clc;\n", +"clear;\n", +"close;\n", +"//given data :\n", +"format('v',5)\n", +"disp('part (a)')\n", +"h=6.626*10^-34;// in Js\n", +"c=3*10^8;// in ms^-1\n", +"E=1.52*10^-19;// in J\n", +"lamda=((h*c)/E)*10^6;\n", +"disp(lamda,'The photon energy,(micro-m) = ')\n", +"disp('part (b)')\n", +"e=1.6*10^-19;// in J\n", +"Ip=3*10^6;// in A\n", +"E=1.52*10^-19;// in J\n", +"eta=70/100;\n", +"R=(eta*e)/E;\n", +"P_in=(Ip/R)*10^-6;\n", +"disp(P_in,'The optical power,(micro W)')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.2: quantum_efficiency_maximum_possible_band_gap_energy_and_photocurrent.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 8.2: The quantum efficiency,Maximum possible band gap energy and mean output\n", +"clc;\n", +"clear;\n", +"close;\n", +"//given data :\n", +"disp('part (a)')\n", +"format('v',5)\n", +"e=1;// electron\n", +"p=2;// photon\n", +"eta=(e/p)*100;\n", +"disp(eta,'The quantum efficiency,eta(%) = ')\n", +"disp('part (b)')\n", +"h=6.626*10^-34;//in Js\n", +"c=3*10^8;// in m s^-1\n", +"lamda_c=0.85*10^-6;// in m\n", +"Eg=((h*c)/lamda_c)/1.6*10^19;\n", +"disp(Eg,'Maximum possible band gap energy,Eg(eV) = ')\n", +"disp('part (c)')\n", +"e=1;// electron\n", +"p=2;// photon\n", +"eta=(e/p);\n", +"e=1.6*10^-19;// in J\n", +"h=6.626*10^-34;//in Js\n", +"c=3*10^8;// in m s^-1\n", +"lamda_c=0.85*10^-6;// in m\n", +"Eg=((h*c)/lamda_c);\n", +"P_in=10*10^-6;// in W\n", +"Ip=((eta*e*P_in)/Eg)*10^6;\n", +"disp(Ip,'The mean output,Ip(micro A) = ')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.3: quantum_efficiency_and_responsivity.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 8.3: The quantum efficiency and The responsivity of the diode\n", +"clc;\n", +"clear;\n", +"close;\n", +"//given data :\n", +"format('v',5)\n", +"disp('part (a)')\n", +"e=2*10^10;// in s^-1\n", +"p=5*10^10;// in s^-1\n", +"eta=e/p;\n", +"disp(eta,'The quantum efficiency = ')\n", +"disp('part (b)')\n", +"e=2*10^10;// in s^-1\n", +"p=5*10^10;// in s^-1\n", +"eta=e/p;\n", +"e=1.6*10^-19;// in J\n", +"h=6.626*10^-34;//in Js\n", +"c=3*10^8;// in m s^-1\n", +"lamda=0.90*10^-6;// in m\n", +"R=(eta*e*lamda)/(h*c);\n", +"disp(R,'The responsivity of the diode,R(AW^-1) = ')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.4: multiplication_factor.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 8.4: The multiplication\n", +"clc;\n", +"clear;\n", +"close;\n", +"format('v',5)\n", +"//given data :\n", +"eta=40/100;//\n", +"e=1.6*10^-19;// in J\n", +"h=6.626*10^-34;//in Js\n", +"c=3*10^8;// in m s^-1\n", +"lamda=1.3*10^-6;// in m\n", +"P_in=0.3*10^-6;// in W\n", +"I=6*10^-6;// in A\n", +"M=(I*h*c)/(P_in*eta*e*lamda);\n", +"disp(M,'The multiplication factor,M = ')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.5: incident_rate_of_photon.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 8.5: Photon rate\n", +"clc;\n", +"clear;\n", +"close;\n", +"//given data :\n", +"format('v',9)\n", +"e=1.6*10^-19;// in J\n", +"M=800;\n", +"eta=90/100;// quantum efficiency\n", +"I=2*10^-9;// in A\n", +"P_rate=I/(e*eta*M);\n", +"disp(P_rate,'Photon incident rate(s^-1) = ')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.6: gain_and_photocurrent.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 8.6: Gain and The output photocurrent\n", +"clc;\n", +"clear;\n", +"close;\n", +"//given data :\n", +"format('v',6)\n", +"disp('part (a)')\n", +"tf=6*10^-12;// in s\n", +"del_f=450*10^6;// in Hz\n", +"G=1/(2*%pi*tf*del_f);\n", +"disp(G,'the gain = ')\n", +"disp('part (b)')\n", +"format('e',10)\n", +"tf=6*10^-12;// in s\n", +"del_f=450*10^6;// in Hz\n", +"G=1/(2*%pi*tf*del_f);\n", +"eta=75/100;\n", +"P_in=5*10^-6;// in W\n", +"e=1.6*10^-19;// in J\n", +"lamda=1.3*10^-6;\n", +"h=6.626*10^-34;//in Js\n", +"c=3*10^8;// in m s^-1\n", +"I=(G*eta*P_in*e*lamda)/(h*c);\n", +"disp(I,'The output photo-current,I(A)')" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 8.7: EX8_7.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Example 8.7: rms value of shot noise ,dark noise and thermal noise current and S/N ratio\n", +"clc;\n", +"clear;\n", +"close;\n", +"format('v',6)\n", +"disp('part (a)')\n", +"n=0.7;//efficiency\n", +"e=1.6*10^-19;//charge\n", +"h=1.3;//in micro meter\n", +"hc=6.626*10^-34;//plack constant\n", +"c=3*10^8;//m/s\n", +"pin=500;//nW\n", +"Ip=((n*e*h*10^-6*pin*10^-9)/(hc*c));//in amperes\n", +"df=25;//Mhz\n", +"f1=1;//\n", +"is2=(2*e*Ip*df*10^6*f1);//\n", +"is=sqrt(is2);//in amperes\n", +"Id=5*10^-9;//amperes\n", +"id2=(2*e*Id*df*10^6);//\n", +"id=sqrt(id2);//in amperes\n", +"k=1.38*10^-23;//\n", +"t=300;//in kelvin\n", +"rl=1000;//ohms\n", +"it2=((4*k*t*df*10^6)/rl);//\n", +"it=sqrt(it2);//in amperes\n", +"disp(is*10^9,'rms value of shot noise current is,(nA)=')\n", +"disp(id*10^9,'rms value of dark current is,(nA)=')\n", +"disp(it*10^9,'rms value of thermal noise current is,(nA)=')\n", +"format('v',4)\n", +"disp('part (b)')\n", +"n=0.7;//efficiency\n", +"e=1.6*10^-19;//charge\n", +"h=1.3;//in micro meter\n", +"hc=6.626*10^-34;//plack constant\n", +"c=3*10^8;//m/s\n", +"pin=500;//nW\n", +"Ip=((n*e*h*10^-6*pin*10^-9)/(hc*c));//in amperes\n", +"df=25;//Mhz\n", +"f1=1;//\n", +"is2=(2*e*Ip*df*10^6*f1);//\n", +"is=sqrt(is2);//in amperes\n", +"Id=5*10^-9;//amperes\n", +"id2=(2*e*Id*df*10^6);//\n", +"id=sqrt(id2);//in amperes\n", +"k=1.38*10^-23;//\n", +"t=300;//in kelvin\n", +"rl=1000;//ohms\n", +"it2=((4*k*t*df*10^6)/rl);//\n", +"it=sqrt(it2);//in amperes\n", +"itt2=is2+id2+it2;//in A^2\n", +"ip2=Ip^2;//\n", +"sn=ip2/itt2;//\n", +"disp(sn,'S/N ratio is')\n", +"//S/N ratio is calculated wrong in the textbook" + ] + } +], +"metadata": { + "kernelspec": { + "display_name": "Scilab", + "language": "scilab", + "name": "scilab" + }, + "language_info": { + "file_extension": ".sce", + "help_links": [ + { + "text": "MetaKernel Magics", + "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md" + } + ], + "mimetype": "text/x-octave", + "name": "scilab", + "version": "0.7.1" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |