Sökning: "Pia Olsson"
Visar resultat 11 - 11 av 11 avhandlingar innehållade orden Pia Olsson.
11. Optical Transmission Systems Based on Phase-Sensitive Amplifiers
Sammanfattning : The capacity and reach of today's long-haul fiber optical communication systems is limited by amplifier noise and fiber nonlinearities. Conventional, phase-insensitiveamplifiers (PIAs), have a quantum limited noise figure (NF) of 3 dB at high gain, meaning that with a shot-noise limited input signal the signal-to-noise ratio (SNR)is degraded by at least 3 dB. LÄS MER