Optical fiber and nonlinear optical fiber, optical amplifier and wavelength converter using the same, and method of making optical fiber
作者： Toshiaki Okuno , Masashi Onishi , Masaaki Hirano
DOI:
关键词: Materials science 、 Hard-clad silica optical fiber 、 All-silica fiber 、 Multi-mode optical fiber 、 Graded-index fiber 、 Photonic-crystal fiber 、 Plastic optical fiber 、 Polarization-maintaining optical fiber 、 Dispersion-shifted fiber 、 Optics
摘要: Employed as a structure of highly nonlinear optical fiber (nonlinear fiber) is double-cladding in which first cladding region 20 and second 30 are disposed on the outer periphery core 10. Since employed, cutoff wavelength .lambda.c can sufficiently be shortened even when, order to increase coefficient .UPSILON., concentration GeO2 added into enhanced so raise refractive index, or relative index difference between increased reduce effective area A eff. This realizes an shortening its while having sufficient nonlinearity, amplifier converter using same, method making fiber.
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