单项选择题
A. OSNR B. dispersion C. light skew D. attenuation
WhichdevicecreatesanOEOconversion？（）A. amplifierB. atte...
单项选择题Which device creates an OEO conversion？ （）
A. amplifier B. attenuator C. regenerator D. light emitter E. optical switch F. optical receiver G. fiber-optic cable
Whatisthedifferencebetweenthetransmittedpowerandthesens...
单项选择题What is the difference between the transmitted power and the sensitivity of the receiver？ （）
A. OSNR B. dispersion C. attenuation D. power budget E. amplifier spacing F. four wave mixing
Whichthreetechnologiesareusedtoreducechromaticdispersio...
多项选择题Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems？（）
A. PIN photodiodes B. zero-chirped lasers C. Erbium-doped fiber amplifiers D. dispersion compensating fiber E. dispersion compensating Bragg grating
