Single-Polarization Cladding-Pumped Optical Amplifier Without Polarization-Maintaining Gain Fiber
Author(s)Yarnall, Timothy M.; Ulmer, Todd G.; Spellmeyer, Neal W.; Caplan, David O.
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We demonstrate a single-polarization cladding-pumped Er : Yb optical amplifier using a dual-pass design with a Faraday rotator mirror and nonpolarization-maintaining gain fiber. Over a 25-nm range centered at 1562 nm, the amplifier output exceeds 1 W and maintains a polarization extinction ratio greater than 22 dB. We investigate enhanced relative intensity noise inherent in the dual-pass configuration and discuss scaling to higher powers.
IEEE Photonics Technology Letters
Institute of Electrical and Electronics Engineers (IEEE)
Yarnall, T.M. et al. “Single-Polarization Cladding-Pumped Optical Amplifier Without Polarization-Maintaining Gain Fiber.” IEEE Photonics Technology Letters 21.18 (2009): 1326–1328. © Copyright 2009 IEEE
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