Q.1.
For linear as well as in nonlinear mode _______________ are most important network elements.
Q.2.
Integrated technology for optical devices are developed within optical fiber communication.
Q.3.
The optical medium, in case of optical wavelength conversion is ___________
Q.4.
The ___________ converters cannot process different modulation formats.
Q.5.
He device which is used to perform wavelength conversion is called as ___________
Q.6.
___________________ is defined as a process by which the wavelength of the transmitted signal is changed without altering the data carried by the signal.
Q.7.
______________ are operated at current beyond normal lasing threshold current, practically.
Q.8.
The more advantages optical amplifier is ____________