Application of LD-Pumped Pr-doped Fluoride Fiber Amplifier to Digital and Analog Signal Transmission

Suda, Hiroyuki; Tomita, Nobuo; Furukawa, Shoei; Yamamoto, Fujio; Kimura, Katsura; Shimizu, Makoto; Yamada, Makoto; Ohishi, Yasutake

doi:10.1364/oaa.1993.pd8

Cited by 4 publications

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“…This requires high quantum efficiency, efficient pumping, and low loss. Two types of rare-earth ions used are Praseodymium and Erbium ions for 1.3 fjm and 1.5 jum amplification, respectively.Praseodymium doped fiber amplifier (PDFA) is employed in optical transmission system that use the standard 1.3 pm single mode fiber, which is most commonly installed in terrestrial systems, for both digital and analog optical transmission[30][31][32][33][34][35][36]. An experimental work on low-noise and high power PDFA by using cascade configuration was able to produce 40.6 dB maximum gain at 1.3 fan and 3 dB bandwidth of 17 nm under small input signal region (~ -30 dBm)[37].…”

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“…32 Forward ASE from RTN-free high repetition rates Raman pump pulses with 25% pump pulse duty cycle.Therefore, in order to optimize both gain and noise performance of TDM Raman scheme, we conclude that bigger pulse duty cycle is a better solution to maintain relatively low noise level and at the same time to avoid any pump-to-pump interaction effect. We show various levels of Forward ASE produced by similar pump combination as above with several bigger pulse duty cycles inFig.…”

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Analysis of Raman amplification in DWDM communication systems

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for their kind guidance, great help and continuous stimulation through the work. Working together with Dr Binh during my overseas attachment in Australia has given me so much knowledge, experience and more importantly deep passion in craving creative idea and working on the solution. On top of that, I have also gained valuable experience in transferring the knowledge to students under my mentorship. I'm also grateful to all NTU Research Scholars in Network Technology Research Centre (NTRC) for their fruitful discussion and help. I also acknowledge all the great assistance and continuous support from the research staff and technicians in the Network Technology Research Centre through my study. Last but not least, my sincere thank to my wife and my beloved family for all wonderful love and support they have given to me. Without them, this thesis would not have been completed successfully.

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confidence: 99%