Optical Sources MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Optical Sources, 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 Optical Sources 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 Optical Sources mcq questions that explore various aspects of Optical Sources problems. Each MCQ is crafted to challenge your understanding of Optical Sources 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 Optical Sources 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 Optical Sources. 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 Optical Sources knowledge to the test? Let's get started with our carefully curated MCQs!

Optical Sources MCQs | Page 9 of 18

Q81.
Dynamic line-width broadening under the direct modulation of injection current is known as __________
Discuss
Answer: (d).Frequency Chirping
Q82.
A particular characteristic or parameter that occurs during analog transmission of injection lasers is?
Discuss
Answer: (a).Noise
Q83.
Intensity of output from semiconductor injection lasers leading to optical intensity noise is due to __________
Discuss
Answer: (a).Fluctuations in amplitude
Q84.
In multimode lasers the optical feedback from unnecessary external reflections affecting stability of frequency and intensity is?
Discuss
Answer: (c).Reduced
Q85.
Reduction in the number of modes in multimode fiber increases the mode partition noise.
Discuss
Answer: (b).False
Q86.
The behavior of laser occurring when current is increased above threshold particularly is?
Discuss
Answer: (a).Mode hopping
Q87.
____________________ lasers are presently the major laser source for optical fiber communications.
Discuss
Answer: (c).Injection
Q88.
In Nd: YAG lasers, the maximum doping levels of neodymium is ____________
Discuss
Answer: (b).1.5 %
Q89.
Which of the following is not a property of Nd: YAG laser that enables its use as an optical fiber communication source?
Discuss
Answer: (d).Semiconductors and integrated circuits
Q90.
The Nd: YAG laser has a narrow line-width which is ________________
Discuss
Answer: (a).< 0.01 nm