Abstract

The spectral properties of a LP₀₁ ↔ LP₀₂ mode converter by using a photoinduced fiber grating are investigated. A fiber with given parameters is considered, and the wavelength dependence of power conversion between the two modes is calculated. The results show that the spectrum can be narrowed by selecting the operating wavelength close to the cutoff wavelength of the LP₀₂ mode. The methods for obtaining a mode converter with a broadband spectrum and a mode converter with a spectrum having two peaks are also discussed.

© 1993 Optical Society of America

Efficient broadband intracore grating LP₀₁–LP₀₂ mode converters for chromatic-dispersion compensation

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Fabry–Perot resonator composed of a photoinduced birefringent fiber grating

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