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Bandwidth optimization of a spectrum-sliced fiber amplifier light source using an angle-tuned Fabry-Perot filter and a double-stage structure

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3 Author(s)
Lee, J.S. ; Optical Trans. Section, Electron. & Telecommun. Res. Inst., Taejon, South Korea ; Chung, Y.C. ; Shim, C.S.

An angle-tuned Fabry-Perot (FP) filter is used to obtain bandwidth optimized multichannels from the amplified spontaneous emission generated from a fiber amplifier light source. Rotating the FP filter, we change the channel bandwidth for a wide range making use of a small angular spread of an incident beam while nearly unaffecting the channel spacing. The output power is made insensitive to the rotation of the FP filter using a double-stage fiber amplifier structure with the FP filter placed between the fiber amplifier stages.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:6 ,  Issue: 10 )