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  • Open Access English
    Authors: 
    Richard Ian Laming; Michalis N. Zervas; David N. Payne;
    Country: United Kingdom

    It is shown that for practical pump powers ( 33 dB) and low noise figure (3 dB) cannot simultaneously be achieved with a conventional codirectionally pumped EDFA. However, using a codirectionally pumped composite EDFA incorporating an isolator overcomes the problem, and an amplifier with 51 dB (54 dB) gain and 3.1 dB noise figure (NF) for only 45 mW (93 mW) of pump power is demonstrated. >

Include:
1 Research products, page 1 of 1
  • Open Access English
    Authors: 
    Richard Ian Laming; Michalis N. Zervas; David N. Payne;
    Country: United Kingdom

    It is shown that for practical pump powers ( 33 dB) and low noise figure (3 dB) cannot simultaneously be achieved with a conventional codirectionally pumped EDFA. However, using a codirectionally pumped composite EDFA incorporating an isolator overcomes the problem, and an amplifier with 51 dB (54 dB) gain and 3.1 dB noise figure (NF) for only 45 mW (93 mW) of pump power is demonstrated. >

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