MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
_________________ is a technique used to render the non-conducting material around the active cavity by producing permanent defects in the implanted area. |
| A. | Dispersion |
| B. | Ion de-plantation |
| C. | Ion implantation |
| D. | Attenuation |
| Answer» D. Attenuation | |
| 2. |
Fabry-Perot devices with BH geometries high modulation speeds than DFB-BH lasers. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The semiconductor lasers employing the distributed feedback mechanism are classified in _________________ categories. |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 4. |
The first order grating (l=1) provide the strongest coupling within the device. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In the given equation, corrugation period is given by l b/2Ne. If b is the Bragg wavelength, then what does l stand for? |
| A. | Length of cavity |
| B. | Limitation index |
| C. | Integer order of grating |
| D. | Refractive index |
| Answer» D. Refractive index | |
| 6. |
Conventional cleaved mirror structures are difficult to fabricate with the cavity lengths below __________ |
| A. | 200 m and greater than 150 m |
| B. | 100 m and greater than 50 m |
| C. | 50 m |
| D. | 150 m |
| Answer» D. 150 m | |