

MCQOPTIONS
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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 | |