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Optical Fiber Communication

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9
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1
answer
51k
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1
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Explain all aspects of link power budget and rise time budget.
optical fiber communication updated 3.5 years ago by teamques10 ★ 65k
0
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1
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1.6k
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Optical power launched into the fiber at the transmitter end is 150 W. The power at the end of the 10 km length of the link working in the first windows is -38.2d Bm. ..
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
4
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1
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9.2k
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1
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Draw architecture of Optical transport networks (OTNs) and explain different layers.
optical fiber communication updated 3.5 years ago by teamques10 ★ 65k
4
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1
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30k
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1
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What is Rise-Time Budget Analysis? Derive an expression for total system rise time budget in terms of transmitter and receiver rise times.
optical fiber communication updated 3.5 years ago by teamques10 ★ 65k
31
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1
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202k
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1
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Draw the basic block diagram of optical fiber communication system?
optical fiber communication updated 3.5 years ago by teamques10 ★ 65k
0
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1
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917
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1
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The input power to an optical fiber is $2 \mathrm{~mW}$ while the power measured at the output end is $2 \mu \mathrm{W}$. If the fiber attenuation is $0.5 \mathrm{~dB} / \mathrm{km}$, calculate the le
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
6
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1
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37k
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Discuss in brief single mode step index fiber and multi mode step index fiber.
optical fiber communication updated 3.5 years ago by teamques10 ★ 65k
0
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1
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167
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1
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Explain Active DWDM in detail.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
0
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1
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2.7k
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1
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A double heterojunction InGaAsP LED operating at $1310 \mathrm{~nm}$ has radiative and non-radiative recombination times of 30 and $100 \mathrm{~ns}$ respectively. ..
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
0
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1
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440
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1
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Write a Characteristics of Light Source of Communication.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
0
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1
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1.3k
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1
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A transmitter has an output power of 0.1 mW. It is used with a fiber having NA= 0.25, attenuation of 6 dB/km, and length of 0.5 km. ..
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
7
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1
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28k
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Explain any one fiber fabrication process with neat diagram. Compare the different methods of fabrication.
optical fiber communication updated 3.5 years ago by teamques10 ★ 65k
0
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1
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533
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What is optical network? Explain about Elements of optical network.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
4
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1
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27k
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Draw and explain block diagram of Optical receiver along with various noise sources and relevant equations.
optical fiber communication updated 3.5 years ago by teamques10 ★ 65k
1
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1
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5.0k
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A continuous 12 km long optical fiber link has a 1.5 dB/km loss. What is the minimum visual power level that must be launched into the fiber to maintain an optical power level of $0.3 \mu \mathrm{W}$
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
0
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1
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755
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1
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A signal is retrieved at the optical fiber end whose power is half that of the input power. Calculate the loss in fiber. Also, calculate the output power if the loss is $30 \mathrm{~dB} / \mathrm{km}$
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
0
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1
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1.4k
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1
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A low-loss fiber has an average loss of 3 dB/km at 900 nm. Compute the length over which, a) Power decreases by 50% b) Power decreases by 75%.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
9
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1
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119k
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1
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Differentiate between spontaneous and stimulated emissions.
optical fiber communication updated 3.5 years ago by ninadsail • 10
0
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1
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491
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1
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Find the optical gain at the threshold of a laser diode having the following parametricvalues $-\mathrm{R} 1=\mathrm{R} 2=0.32, \alpha=10 \mathrm{~cm}-1$ and $\mathrm{L}=500 \mu \mathrm{m}$.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
0
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1
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561
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1
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Compute the emitted wavelength from an optical source having x = 0.07.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
12
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1
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71k
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1
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Scattering losses in optical fiber.
optical fiber communication updated 3.5 years ago by teamques10 ★ 65k
0
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1
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3.3k
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When mean optical power launched into an $8 \mathrm{~km}$ length of fiber is $12 \mu \mathrm{W}$, the mean optical power at the fiber output is $3 \mu \mathrm{W}$.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
0
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1
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690
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1
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Write a short note on: Halide Glass Fibers.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
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
0
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1
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560
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1
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Design as optical fiber link for transmitting $15 \mathrm{Mb} / \mathrm{sec}$ of data for a distance of $4 \mathrm{~km}$ with BER of $10^{-9}$.
optical fiber communication updated 17 months ago by prajapatijaimin • 3.1k
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