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Explain with a neat sketch the two categories of front-end amplifiers used in optical fiber communication systems.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Describe in detail. What is meant by quantum noise?
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Short note: Optical bandwidth and electrical bandwidth.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Calculate the incident optical power required to operate photo current of 2.5 $\mu$A when the photodiode is operating as above.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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List all the parameters that contribute to photo current gain of APD.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Explain the basic principle of operation of photo detector. Explain the work of PIN diode and APD as photo detector, also compare their performance.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Distributed feedback laser.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Draw the current optical power output curve for Fabry - Perot Laser and explain the relationships.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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What do you understand by double heterostructure? State its limitations.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Discuss a popular non-destructive technique for attenuation measurement.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Draw and explain the test-set up for measuring the chromatic dispersion.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Explain the techniques for measurement of attenuation and dispersion.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Explain Bandwidth distance product.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Explain intermodal and intramodal dispersion in optical fibers. How does dispersion affect the transmission B.W. of optical fibers?
optical networks updated 10.0 years ago by teamques10 ★ 70k
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List the important factors responsible for power loss in optical fiber. Explain each factor briefly.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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What are the factors responsible for optical signal attenuation and dispersion during signal propagation through optical fiber?
optical networks updated 10.0 years ago by teamques10 ★ 70k
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State the difference between the dispersion shifted and dispersion compensated fibers.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Short Note: Fiber Materials
optical networks updated 10.0 years ago by teamques10 ★ 70k
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With a neat sketch explain fiber optic cable.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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minimum refractive index of prism
optical networks updated 10.0 years ago by teamques10 ★ 70k
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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 networks updated 10.0 years ago by teamques10 ★ 70k
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refractive index profile of a graded index fiber
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Starting from Maxwells equation, derive the wave equation for step index fiber?
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Name the key parameters for describing the signal transmission in single mode fiber and multimode fiber.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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Discuss in brief single mode step index fiber and multi mode step index fiber.
optical networks updated 10.0 years ago by teamques10 ★ 70k
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