Q. The probe signal is inverse to that of the pump signal.

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Q. The intensity modulated data on one signal wavelength is called as _______

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Q. A _____________ wavelength converter utilizes the nonlinear properties of a semiconductor optical amplifier to perform the conversion process.

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Q. __________ wavelength converters make use of a passive optical medium to exploit non-linear effects.

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Q. How many approaches are adopted by the cross-modulation scheme?

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Q. The process of imposing the nonlinear response of the medium onto the control signal is known as ______________ scheme.

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Q. The optical medium, in case of optical wavelength conversion is ___________

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Q. The ___________ converters cannot process different modulation formats.

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Q. A wavelength converter is termed as _______ if the converted wavelength is longer than the original signal wavelength.

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Q. The device which is used to perform wavelength conversion is called as ___________

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Q. ___________________ is defined as a process by which the wavelength of the transmitted signal is changed without altering the data carried by the signal.

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Q. Compute the gain of parametric amplifier having signal power of 1.6 W, length of 500, non-linear coefficient of 10.19 * 10⁻³ W⁻¹km⁻¹.

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Q. Compute signal power for parametric amplifier having length of 500, nonlinear gain coefficient 12.6×10⁻³ W⁻¹km⁻¹ and parametric peak gain of 63.9 dB.

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Q. Compute the fiber nonlinear coefficient of a parametric optical amplifier having parametric peak gain of 63.6 dB, signal power of 1.6W, length 520.

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Q. In _____________ Rayleigh scattering can be reduced.

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Q. In ___________ the ASE contributes most of noise.

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Q. _____________ are called hybrid Raman amplifier.

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Q. _______________ extends the pump power into transmission line fiber.

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Q. _________ is also known as lump Raman amplifiers.

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Q. The most advantageous amplification is ____________

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