Abstract
We present the design, fabrication, and operation of a polarization converter based on angled waveguides in the material system. By combining design elements from mode evolution and birefringent devices, the total device length is kept short (less than ) and the insertion efficiency high at , which corresponds to an insertion loss of . Devices operate broadband, i.e., the polarization conversion exceeds over a wavelength range. A polarization rotator with these specifications is a prime candidate for use in an integrated polarization diversity scheme.
© 2007 Optical Society of America
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