Coherent and Phase Modulation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Coherent and Phase Modulation, a fundamental topic in the field of Optical Communication. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Coherent and Phase Modulation MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Coherent and Phase Modulation mcq questions that explore various aspects of Coherent and Phase Modulation problems. Each MCQ is crafted to challenge your understanding of Coherent and Phase Modulation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Optical Communication tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Coherent and Phase Modulation MCQs are your pathway to success in mastering this essential Optical Communication topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Coherent and Phase Modulation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Coherent and Phase Modulation knowledge to the test? Let's get started with our carefully curated MCQs!

Coherent and Phase Modulation MCQs | Page 1 of 6

Q1.
Which technology development has helped the field of optical fiber communication?
Discuss
Answer: (b).Component technology
Q2.
__________ dictates the performance characteristics required from components and devices which are to be utilized in coherent optical fiber systems.
Discuss
Answer: (d).Practical constraints
Q3.
Coherent optical transmission is degraded by the ________ associated with the transmitter and local oscillator lasers.
Discuss
Answer: (a).Phase noise
Q4.
___________ improves the spectral purity of the device output and noise current.
Discuss
Answer: (b).Laser line width reduction
Q5.
____________ is the principal cause of line width broadening in the coherent devices.
Discuss
Answer: (c).Injection laser phase noise
Q6.
Which technique was started for narrowing of injection laser line widths?
Discuss
Answer: (a).External resonator cavity
Q7.
The line width tolerance is wider for heterodyne receivers.
Discuss
Answer: (a).True
Q8.
___________ is an alternative to reduce phase noise and line width requirements.
Discuss
Answer: (d).Phase diversity reception
Q9.
______________ is the progressive spatial separation between the two polarization modes as they propagate along the fiber.
Discuss
Answer: (a).Fiber birefringence
Q10.
How many compensator devices are required to provide full polarization-state control?
Discuss
Answer: (d).Two
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