MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Planar waveguides are used to produce _______ coupler. |
| A. | MMI |
| B. | CMI |
| C. | Frequency |
| D. | Differential |
| Answer» B. CMI | |
| 2. |
The linear variation of refractive index with the electric field is known as the ________ |
| A. | Linear implantation |
| B. | Ionization |
| C. | Koppel effect |
| D. | Pockels effect |
| Answer» E. | |
| 3. |
A passive Y-junction beam splitter is fabricated from __________ |
| A. | GaAs |
| B. | ZnS |
| C. | AlbS |
| D. | LiNbO<sub>3</sub> |
| Answer» E. | |
| 4. |
Strip pattern in waveguide structures is obtained through ____________ |
| A. | Lithography |
| B. | Cryptography |
| C. | Depletion of holes |
| D. | Implantation |
| Answer» B. Cryptography | |
| 5. |
Passive devices are fabricated by __________ technique. |
| A. | Fassbinder |
| B. | High density integration |
| C. | Radio-frequency sputtering |
| D. | Lithium implantation |
| Answer» D. Lithium implantation | |
| 6. |
The planar waveguides may be fabricated from glasses and other isotropic materials such as ___________ and ______________ |
| A. | Octane and polymers |
| B. | Carbon monoxide and diode |
| C. | Fluorides and carbonates |
| D. | Sulphur dioxide and polymers |
| Answer» E. | |
| 7. |
___________ waveguides are plagued by high losses. |
| A. | Circular |
| B. | Planar |
| C. | Depleted |
| D. | Metal-clad |
| Answer» E. | |
| 8. |
What does hff stands for in the equation hff = h+x+x2? |
| A. | Frequency of layer |
| B. | Diameter of curve |
| C. | Effective guide layer thickness |
| D. | Space propagation |
| Answer» D. Space propagation | |
| 9. |
When the dimensions of the guide are reduced, the number of ___________ also decreases. |
| A. | Propagating nodes |
| B. | Electrons |
| C. | Holes |
| D. | Volume of photons |
| Answer» B. Electrons | |
| 10. |
__________ waveguide is formed when the film is sandwiched by layers of different refractive index. |
| A. | Planar |
| B. | Circular |
| C. | Asymmetric |
| D. | Symmetric |
| Answer» D. Symmetric | |
| 11. |
Optical fibre communications uses _______ dielectric waveguide structures for confining light. |
| A. | Rectangular |
| B. | Circular |
| C. | Triangular |
| D. | Planar |
| Answer» C. Triangular | |