Optical Communication Practice Test 5

1. Electron-hole pairs are generated in ___________

2. To utilize _____________________ of SLDs at elevated temperatures, the use of thermoelectric coolers is important.

3. The active layer composition must be adjusted if a particular center wavelength is desired.

4. Determine Responsivity of photodiode having o/p power of 3.55 μm and photo current of 2.9 μm.

5. Silicon photodiodes provide high shunt conductance.

6. In surface emitter LEDs, more advantage can be obtained by using ____________

7. For particular materials with smaller bandgap energies operating in _____________ wavelength, the linewidth tends to ______________

8. Direct absorption requires assistance of photon.

9. Determine wavelength of photodiode having quantum efficiency of 40% and Responsivity of 0.304 AW^-1.

10. ____________ converts the received optical signal into an electrical signal.