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1. |
Estimate the minimum transmitter power if number of photons per bit are 150, wavelength 1.3 micrometer with an optical bandwidth of 20 THz. |
A. | 0.2 mW |
B. | 0.5mW |
C. | 1 mW |
D. | 2.3mW |
Answer» C. 1 mW | |