A low return loss sometimes causes instability in laser operation which may cause noise due to emission of different frequencies instead of single frequency.
In laser applications , back reflected light may increase bit error rate because the light which reflected back will emits multiple frequencies which is violating laser monochromatic characteristics and information at the transmitter side will not match with the information which is reflected back there by causing instability. Hence it is better to have high return loss than low return loss to avoid instability there by bit error rate BER also decreases.
Conclusion:C) Low return loss will cause instability leading to high BER.
which of the following can contribute to laser instability leading to a high BER value? low...
Please explain well. Thanks Is mutation high or low in Prokaryotes? How can it contribute to genetic diversity? What about in viruses?
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Hearing aids can be tuned to filter out or amplify either high- or low-frequency sounds, depending on the frequency range in which a user has suffered hearing loss. If, for instance, a user needed to amplify low-frequency sounds and the hearing aid had a capacitance of 2.0 μF what inductance L should it have in order to produce peak signals at 800 Hz? mH
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Part A High-power lasers are used to cut and weld materials by focusing the laser beam to a very small spot. This is like using a magnifying lens to focus the sun's light to a small spot that can burn things. As an engineer, you have designed a laser cutting device in which the material to be cut is placed 3.0 cm behind the lens. You have selected a high- power laser with a wavelength of 1.06 um. (This distance...
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