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Conferences > CLEOPR > 2022 > CTuP9F > CTuP9F_05

Quantum-noise-limited performance of BPSK transmission with EDFAs, PSAs, or Raman amplifiers

Kyo Inoue

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Abstract

The performance of optical transmissions is intrinsically and ultimately determined by quantum noise. This study theoretically investigates the quantum-noise-limited performance of BPSK transmission using EDFAs, PSAs, or Raman amplifiers as optical repeaters. Amplifier noise, quantum noise in a coherent state, and vacuum noise accompanied with attenuation are considered. Calculations based on the theoretical analysis qualitatively show that bidirectionally pumped Raman amplification systems achieve considerably long transmission distances.

© 2022 IEEE

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