We report the design, fabrication, and measurement of high efficiency, compact 45° single air interface bends in perfluorcyclobutyl (PFCB) copolymer waveguides. Experimental measurement reveals a low loss of 0.30±0.03dB/bend for TM polarization and 0.33±0.03dB/bend for TE polarization.

© 2005 Optical Society of America

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