Q. Calculate RZ pulse width if bit period is 60 ps and separation of soliton pulses is 5.4.

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Q. Calculate separation of soliton pulses over a bit period length if R₂ pulse width is 6 ps for bit period of 70 ps.

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Q. Calculate L₁ if dispersion slope for first path fiber is 0.075 and L₂ is 20 km and s₂ is -0.6 ps/nm km.

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Q. Calculate L₂ if dispersion slope for first path fiber is 0.075 and L₁ is 160 km and s₂ is -0.6 ps/nm km.

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Q. Calculate dispersion slope for first path fiber if L₁ is 160, L₂ is 20 and s₂ is 0.6 ps/nm km.

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Q. Calculate dispersion slope for second path fiber if L₁ is 150, L₂ is 10 and s₁ is 0.075.

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Q. Calculate second order dispersion coefficient for path length L₁ 20 km and L₁ 160 km. Dispersion coefficient for L₁ is -2.125*10⁻¹² s/nmkm.

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Q. Calculate path length L₁ if L₂ is 20, dispersion coefficient of L₂ is 17, dispersion coefficient of L₁ is -2.25 ps/nmkm.

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Q. Calculate the path length L₂ if L₁ is 160, dispersion coefficient of L₂ is 17, dispersion coefficient of L₁ is -2.25 ps/nmkm.

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Q. Calculate second order dispersion coefficient for path length L₂ 20 km and L₁ 160 km. Dispersion coefficient for L₂ is 17.

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Q. What is the typical range of the noise figure?

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Q. How many factors govern the noise figure of the device?

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Q. __________ is the ratio of input signal to noise ratio to the output signal to noise ratio of the device.

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Q. _________________ imposes serious limitations on the system performance.

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Q. _____________ are transparent to any type of signal modulation.

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Q. _________ reconstitutes a transmitted digital optical signal.

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Q. Which of the following is not an application of optical amplifier?

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Q. The _________________ increases the system reliability in the event of an individual amplifier failure.

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Q. It is necessary to ____________ the optical carriers at different speeds to avoid signal interference.

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Q. Repeaters are bidirectional.

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