We demonstrate polarization-insensitive fiber four-wave mixing in the asymmetric configuration by using two circularly polarized pumps in a circular-birefringence fiber. By twisting a fiber at 15 turns/m, polarization sensitivity is reduced successfully to 0.9 dB.
© 2005 Optical Society of America
T. Tanemura, K. Katoh, and K. Kikuchi, "Polarization-insensitive Nondegenerate Four-wave Mixing Using Circularly Polarized Pumps in Twisted Fiber," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CWK1.
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