Optical Fiber Communication Test Questions


Q.  At which level of temperature does the oxidation process occur in MCVD?

a. Low
b. Moderate
c. High
d. Unpredictable


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Consider the assertions/ characteristics given below. Which type of attenuation measurement technique exhibits these characteristics? 1. Necessity of accessing both ends of fiber. 2. Measurements corresponding to specific wavelengths. 3. Requirement of spectral response over a range of wavelengths.
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MCQs:  For neglecting the pulse dispersion in the digital systems, the rms width of fiber impulse response must be _________one-quarter of the pulse spacing.
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MCQs:  If a noisy channel has a bandwidth of 4 MHz with signal to noise ratio of about 1, what would be the maximum capacity of the channel?
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MCQs:  In the structure of fiber optic cable, the refractive index of core is always _______the refractive index of cladding.
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MCQs:  The order of mode is equal to the number of field____ across the guide.
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MCQs:  Which among the following represents the lateral shift of a light beam on reflection at a dielectric interface?
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MCQs:  Why are plastic clad silica fiber optic cables not used widely?
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MCQs:  In cables, water is prevented from filling the spaces with __________resistant compounds.
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MCQs:  Which reason/s is/are responsible for the occurrence of non-linear Cross Phase Modulation (XPM)?
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MCQs:  What is/ are the consequence/s of Self Phase Modulation in non-linear optics?
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MCQs:  Which type of fiber-optic coupler causes the distribution of an optical power from more than two input ports among the several output ports?
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MCQs:  Which optical devices are adopted or applicable for routing signals from one waveguide to another?
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MCQs:  Which among the following characteristics of Laser light specifies the precise movement of all individual light waves together through time and space?
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MCQs:  Which modes are acknowledged due to their association with electromagnetic field and beam profile in the direction perpendicular to the plane of pn junction?
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MCQs:  Which type of injection laser involves the use of geometry for fabrication of the multimode injection laser with a single or small number of lateral modes?
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MCQs:  In the dynamic response of Injection Laser Diode (ILD), the delay which is followed by ____ frequency damped oscillations give rise to the generation of relaxation oscillations.
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MCQs:  The spectral response of an ideal photodetector depicts its efficiency as a function of _________
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MCQs:  According to frequency response of photo-detector, the modulation frequency at which the output current decreases to ________of peak value.
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MCQs:  Which photodiodes are crucially applicable to overcome the bandwidth-quantum efficiency trade-off along with its resemblence to the pyramid structure?
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MCQs:  When an optical signal is incident on a photo-detector, which noise originate/s due to statistical nature of production and collection of photoelectrons?
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