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 12 of 18

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Q111.
The lasing line-width of Fox-smith resonator is ____________________
Discuss
Answer: (a).Less than 1 MHz
Q112.
What is the widest tuning range obtained in optical fiber laser structure?
Discuss
Answer: (c).More than 100 nm
Q113.
How many techniques can be used to increase the injection cavity length?
Discuss
Answer: (b).Two
Q114.
The mechanism which results from a refractive index change in the passive waveguide layer is called as ___________
Discuss
Answer: (d).Bragg wavelength control
Q115.
How many sections are included in a sampling grating distributed Bragg-reflector laser (SG-DBR)?
Discuss
Answer: (b).Five
Q116.
Fiber based lasers provide diffraction-limited power at higher levels than solid-state laser.
Discuss
Answer: (a).True
Q117.
The parameters having a major role in determining threshold current of efficiency of injection laser are ___________
Discuss
Answer: (a).Angle recombination and optical losses
Q118.
Auger current is mostly ___________________ for material with band gap providing longer wavelength emission.
Discuss
Answer: (c).Larger
Q119.
Injection lasers operating in smaller wavelengths are subjected to increased carrier losses.
Discuss
Answer: (b).False
Q120.
Devices based on quaternary PbSnSeTe and their ternary compounds, emit at wavelength?
Discuss
Answer: (b).Longer than 4 ฮผm