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Optical Fiber Communication

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4
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11k
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What is meant by quantum noise?
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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1.6k
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With the help of receiver configuration circuit diagram, explain the working of optical receiver. Also derive the expression for output.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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4.2k
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Draw and explain block diagram of Optical receiver along with various noise sources and relevant equations.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
2
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4.0k
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Short note: Optical bandwidth and electrical bandwidth.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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1
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15k
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What are splices? Explain different types of splices.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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1
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2.0k
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What do you mean by Optical waveguide? How it is different from Electrical waveguide?
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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3.4k
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Explain the following terms: i. Total internal reflection ii. Acceptance angle iii. Critical angle
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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2.6k
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Derive the expression of Numerical Aperture of Step- index fiber. What will happen to Numerical Aperture if cladding is removed?
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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1.9k
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Define the terms numerical aperture, critical angle, propagating modes and micro bands in the context of an optical fiber.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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2.3k
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Numerical aperture in GIF.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
1
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12k
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Estimate total number of guided mode propagating in the fiber.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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1
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1.8k
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Draw the refractive index profile for the step index and graded index fiber. For each type give typical core and cladding diameters.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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1
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3.1k
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Compare step- index and graded-index fiber.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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1
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1.1k
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Calculate the required $\Delta$ if a fiber with a 8 $\mu$m core and a 125 $\mu$m cladding is to be single mode at 1300 mm. Assume that the core index is 1.46.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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4.4k
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Starting from Maxwell$'$s equation, derive the wave equation for step index fiber?
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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1
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1.5k
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Minimum refractive index
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
1
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4.7k
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Explain any one fiber fabrication process with neat diagram. Compare the different methods of fabrication.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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1
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2.3k
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Explain double Crucible method of fiber fabrication.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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1
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11k
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1
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What does the coupling efficiency equation? $\eta = (pf / ps) = (NA)^2$ signify where pf is the power coupled to the source ps source power.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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2.7k
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With the help of device structure explain the working of LED and LASERS with the emphasis on spontaneous and stimulated emission.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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1
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1.6k
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1
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State the difference between LED and LASER.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
1
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1
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6.4k
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1
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Distributed feedback laser.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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1
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2.4k
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1
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Differentiate between spontaneous and stimulated emissions.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
0
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1
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1.2k
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1
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Determine the power coupled into the fiber.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
1
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1
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7.1k
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1
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Derive an expression for responsivity of an intrinsic photo detector in terms of quantum efficiency and wavelength.
optical fiber communication updated 7.9 years ago by teamques10 ★ 65k
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