Abstract
We compare performance of a polarization insensitive fiber optic parametric amplifier (PI-FOPA), a commercial erbium doped fiber amplifier (EDFA) and a discrete Raman amplifier (DRA) in a 50 km long-reach optical access network transmitting bursts of 10 Gbps signal with traffic density ranged from 5% to 97%. We demonstrate that for the same power budget the PI-FOPA allows for transmission of bursty traffic with density up to 97% while DRA and EDFA are limited to 30% and 15%, respectively. Alternatively, we demonstrate PI-FOPA to allow for 3 dB and 5 dB higher power budget than the DRA and EDFA, respectively, for the worst case scenario of 75% traffic density.
Highlights
Fiber optic parametric amplifiers (FOPA) are capable of an ultrafast amplification owed to its underlying process – χ(3) non-linearity in optical fibers [1]
In our previous work we demonstrated that FOPA performs better than Erbium doped fiber amplifier (EDFA) and Raman amplifier when amplifying a range of burst durations from 5 μs to 70 μs [6]
We further demonstrate that when the signal is amplified by erbium doped fiber amplifier (EDFA) or a discrete Raman amplifier, a receiver sensitivity suffers from significant penalties for burst traffic density over 15% or 30% respectively, and exceeds 5 dB and 3 dB, at traffic density of 75%
Summary
Fiber optic parametric amplifiers (FOPA) are capable of an ultrafast amplification owed to its underlying process – χ(3) non-linearity in optical fibers [1]. Its response time τt = 1/|ωg − ω| is estimated to be
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