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 , a bending loss of less than 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 at 1064 nm are achieved in a fabricated fiber. Bending loss at 1064 nm is 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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