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IEICE TRANSACTIONS on transactions

Quantum Noise Analysis of Chains with Amplifiers and Attenuators

Kiyofumi MOCHIZUKI, Osamu HIROTA

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Summary :

We show the general formula of the signal to noise ratio in chains with amplifiers and attenuators using nonclassical properties of light. From the results, we show that quantum noise can be effectively controlled. For the application we show that the optical fiber transmission system with conventional optical amplifiers can be designed as if the noiseless optical amplifiers are used.

Publication
IEICE TRANSACTIONS on transactions Vol.E72-E No.5 pp.547-549
Publication Date
1989/05/25
Publicized
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Type of Manuscript
Special Section PAPER (Special Issue on Information Theory and Its Applications)
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