Optical Bistability and Digital Optics MCQ’s

Electronics & Communication Engineering Optical Communication

This set of Optical Communication Multiple Choice Questions & Answers (MCQs) focuses on “Optical Bistability and Digital Optics”.

1. ___________ comprise of Fabry-Perot cavity.
a) Wavelength convertors
b) Wavelength amplifiers
c) Bi-stable optical devices
d) Detectors

2. The optical path length in nonlinear medium is integer number of ______ wavelength.
a) Half
b) Double
c) Three-fourth
d) Single

3. ___________ provides a series of optical processing functions.
a) Wavelength convertors
b) Wavelength amplifiers
c) Detectors
d) Bi-stable optical devices

4. As compared to laser, the value of _________ in the cavity controls the optical transmission.
a) Amplification
b) Refractive index
c) Rectification
d) Reflection

5. __________ can act as AND, OR, NOT gate.
a) Wavelength converters
b) Wavelength amplifiers
c) Detectors
d) Bistable optical devices

6. ________ BOD’s provides optical feedback.
a) Extrinsic
b) Intrinsic
c) Detector
d) Bistable

7. ___________ are able to latch between two distinct optical states.
a) Wavelength converters
b) Wavelength amplifiers
c) Detectors
d) Bistable optical devices

8. _______ proves superior to _______
a) BOD’s, electronic devices
b) Electronic devices, BOD’s
c) BOD’s, convertors
d) Convertors, BOD’s

9. ___________ devices employ artificial nonlinearity.
a) Extrinsic
b) Intrinsic
c) Hybrid
d) Bistable

10. _______ exhibit optical bistability.
a) Extrinsic lasers
b) Intrinsic lasers
c) Detectors
d) Semiconductor lasers

11. Optical pulsing can be obtained using _________
a) BODs
b) WDM
c) Detector
d) Semiconductor

12. Hybrid devices have limited ________ speed.
a) Switching
b) Planar
c) Curvature
d) Electrical

13. ___________ is fabricated with tandem electrode.
a) Full convertor
b) Semiconductor
c) Detector diode
d) Bistable laser diode

14. A weak second beam is introduced in _________
a) BOD differential amplifier
b) WDM
c) Detector
d) Semiconductor laser

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