Large flattened mode tuned cladding photonic crystal fiber...

Details Large flattened mode tuned cladding photonic crystal fiber... Large flattened mode tuned cladding photonic crystal fiber...

2006-11-28

2006-11-28

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing nonsolid core or cladding

Reexamination Certificate

active

07142757

ABSTRACT:
A modified photonic crystal fiber yielding a higher peak power for a given maximum intensity. The multi-mode signal core has a depressed index of refraction that pushes the mode distribution to the core edges while a pattern of larger air holes is used to flatten the mode distribution. The core is further surrounded by tuned cladding elements defined by a pattern of smaller air holes that cause loss in all of the core modes except the fundamental while maintaining robust guiding of the fundamental mode.

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Koplow et. al., Optics Letters, 25, 442 (2000).
Liu et. al., SSDLTR 2004 paper, FIBER-5 (2004).
White, el. al.,J. Opt. Soc. Am. B19, 2322 (2002).

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