A. dispersion
B. Optical SNR
C. span attenuation
D. four wave mixing
E. receiver sensitivity
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A. 0 mW
B. 1 mW
C. 10 mW
D. 1.5 mW
A. lower cost
B. higher chirp
C. easier to manufacture
D. higher dispersion tolerance
E. higher optical signal-to-noise ratio
A. OSNR
B. dispersion
C. light skew
D. attenuation
A. amplifier
B. attenuator
C. regenerator
D. light emitter
E. optical switch
F. optical receiver
G. fiber-optic cable
A. OSNR
B. dispersion
C. attenuation
D. power budget
E. amplifier spacing
F. four wave mixing
最新試題
Click the Exhibit button. What is the maximum allowable loss budget between the ONS 15216 Mux （left side） composite output and the ONS 15216 Demux （right side） composite input， with the optical values given in the exhibit？ （Assume the worst case loss of 4.5 dB for 15216 200 GHz Mux/Demux and ignore power penalties or extra margin.） （）
Which is a legitimate bandwidth matched pair？（）
Click the Exhibit button. When designing a DWDM system with multiple amplified spans， a pre-amp is needed at Site B to （）.
What is the phenomenon called where different wavelengths of light travel at different speeds？（）
The ONS 15216 is a 32-channel system. The ONS 15216 OADMs are capable of adding and dropping one， two， or four channels. How are the OADMs provisioned to add and drop specific channels？（）
In the OSNR model for EDFA amplifiers， SNR OUT = 1/（1/SNR IN + FhvB/P IN ）， what does SNR IN represent？（）
What are three factors that limit the maximum distance of an amplified optical signal without regeneration？ （）
What three in combination are factors that can cause four-wave mixing in fiber-optic cables？（）
For lasers with tightly controlled wavelengths， approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system？ （）
Which two can be transported in one AU-4？ （）