Abstract

A large-mode-area all-solid photonic bandgap fiber with a seven-cell core and five high-index rod rings is investigated. Numerical simulations show that an effective area of more than 500μm2, a bending loss of less than 0.1dB/m at a bending radius of 10 cm and effectively single-mode operation can be achieved simultaneously. A core diameter of 44.8 μm and an effective area of 650μm2 at 1064 nm are achieved in a fabricated fiber. Bending loss at 1064 nm is 0.09dB/m at a bending radius of 7 cm. Effectively single-mode operation is also realized at a bending radius of 10 cm.

© 2012 Optical Society of America

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