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 2 of 6

Q11.
Which technique was found to be providing an infinite range of polarization control?
Discuss
Answer: (b).Fiber squeezers
Q12.
What is the main drawback of the squeezer?
Discuss
Answer: (a).Damages the fiber
Q13.
The use of balanced receiver compensates the losses due to coupling optics.
Discuss
Answer: (a).True
Q14.
___________ is the phenomenon which occurs in the single carrier systems due to small refractive index changes induced by the optical power fluctuations.
Discuss
Answer: (b).Self-phase modulation
Q15.
_____________ is essentially a crude form of Amplitude shift keying.
Discuss
Answer: (b).Digital intensity modulation
Q16.
Almost _________ of the transmitter power is wasted in the use of external modulators.
Discuss
Answer: (a).Half
Q17.
The line width in the range ________ of bit rate is specified for ASK heterodyne detection.
Discuss
Answer: (c).10 to 50%
Q18.
______________ is also referred to as on-off keying (OOK).
Discuss
Answer: (d).ASK
Q19.
________ does not require an external modulator.
Discuss
Answer: (a).FSK
Q20.
The frequency deviation at frequencies above 1 MHz is typically ____________
Discuss
Answer: (b).100 to 500 mA⁻¹
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