Optical Detectors MCQs

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

Optical Detectors MCQs | Page 9 of 11

Q81.
HgCdTe material system is utilized to fabricate long-wavelength photodiodes.
Discuss
Answer: (a).True
Q82.
Avalanche photodiodes based on HgCdTe are used for ______________ in both the near and far infrared.
Discuss
Answer: (d).Array applications
Q83.
The detection mechanism in ____________ relies on photo excitation of electrons from confined states in conduction band quantum wells.
Discuss
Answer: (b).Quantum-dot photo detector
Q84.
When determining performance of a photo detector ___________ is often used.
Discuss
Answer: (c).Responsivity
Q85.
The important parameter for exciting an electron with energy required from valence band to conduction band is?
Discuss
Answer: (a).Wavelength
Q86.
__________ is less than or unity for photo detectors.
Discuss
Answer: (d).Quantum efficiency
Q87.
There must be improvement in __________ of an optical fiber communication system.
Discuss
Answer: (a).Detector
Q88.
The _____________ is photosensitive to act as light gathering element.
Discuss
Answer: (a).Base-emitter junction
Q89.
A large secondary current _________________ in n-p-n InGaAs phototransistor is achieved.
Discuss
Answer: (b).Between emitter and collector
Q90.
_______ emitter-base and collector-base junction capacitances is achieved by use of hetero-structure along with _________ base resistance.
Discuss
Answer: (c).Low, low