A. lower cost
B. higher chirp
C. easier to manufacture
D. higher dispersion tolerance
E. higher optical signal-to-noise ratio
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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
A. PIN photodiodes
B. zero-chirped lasers
C. Erbium-doped fiber amplifiers
D. dispersion compensating fiber
E. dispersion compensating Bragg grating
A. They are both regions of lowest loss.
B. They are both regions of low reflections.
C. They are both regions of low index of refraction.
D. They are both regions of low chromatic dispersion.
E. They are both regions of low Polarization Mode Dispersion （PMD）.
最新試題
What are three relevant design considerations when using the 15216 EDFA？（）
Click the Exhibit button. Which type of multiplexer is shown in the exhibit？（）
Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems？（）
Which is a legitimate bandwidth matched pair？（）
In SDH， what is the name of the embedded Data Communication Channel （DCC） in bytes D1-D3？（）
How is a Thin Film filter fabricated？ （）
How is SNCP and MS-SPRing traffic rerouted during a protection switch when a complete fiber cable cut occurs？（）
A 2.5 Gb/s （OC-48 or STM-16） optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km？（）
If the power is 0 dBm， what is the power in mW？（）
Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications？（）