External modulation for                   modulation format allows the most sensitive coherent detection mechanism.

Related MCQs

•                        offers the potential for improving the coherent optical receiver sensitivity by increasing the choice of signalling frequencies.
• The line width in the range                  of bit rate is specified for ASK heterodyne detection.
• The digital transmission on implementation of polarization modulation which involves polarization characteristics of the transmitted optical signal is known as
• In the single mode fibers, the dominant dispersion mechanism is                          
• Doppler broadening is a homogeneous broadening mechanism.
• As compared to planar LED structure, Dome LEDs have                              External power efficiency                        effective emission area and                            radiance.
• Almost                    of the transmitter power is wasted in the use of external modulators.
•                  does not require an external modulator.
• In single mode fibers, which is the most beneficial index profile?
• Which is the most common method for manufacturing couplers?