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High gain and wideband hybrid optical amplifier using bismuth-doped and neodymium-doped fibers for E-band applications

Journal Article · · Scientific Reports
 [1];  [2];  [1];  [1]
  1. Aston University, Birmingham (United Kingdom)
  2. Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

A hybrid dual-stage bismuth-doped fiber and neodymium-doped fiber amplifier with high optical gain and extended bandwidth of operation in the E-band is demonstrated. The amplifier features a maximum gain of 43 dB, output power of 372 mW, and a minimum noise figure of 5.5 dB, and operation wavelength range of 1397–1472 nm, enabled by 153-m of bismuth-doped fiber and two 7-m lengths of neodymium-doped fiber. The demonstration shows the possibility of achieving improved gain bandwidth by combining fiber amplifiers with overlapping gain spectra in the E-band.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
Engineering and Physical Sciences Research Council; USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
2584420
Report Number(s):
LLNL--JRNL-860588
Journal Information:
Scientific Reports, Journal Name: Scientific Reports Journal Issue: 1 Vol. 15; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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