Q3. Laser and switch (a) Derive the threshold gain (G) of a Fabry Perot laser. Assume that the reflectance of two end fa

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Q3. Laser and switch (a) Derive the threshold gain (G) of a Fabry Perot laser. Assume that the reflectance of two end fa

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Q3 Laser And Switch A Derive The Threshold Gain G Of A Fabry Perot Laser Assume That The Reflectance Of Two End Fa 1
Q3 Laser And Switch A Derive The Threshold Gain G Of A Fabry Perot Laser Assume That The Reflectance Of Two End Fa 1 (91.35 KiB) Viewed 34 times
Q3. Laser and switch (a) Derive the threshold gain (G) of a Fabry Perot laser. Assume that the reflectance of two end facet mirrors are R1 and R2, absorption coefficient is a and laser length is L. (13 marks) (b) Describe micromirror/MEMs switches, bubble-jet waveguide switches and electro-optical switches with the aid of their schematic diagram. Draw a schematic diagram to show the add/drop application of optical switches. (12 marks)
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