title: Ultracompact silicon-on-insulator polarization rotator for polarization-diversified circuits.
abstract: We present an ultracompact (15.3 μm long) and high-efficiency silicon-on-insulator polarization rotator designed for polarization-diversified circuits. The rotator is comprised of a bilevel-tapered TM0-to-TE1 mode converter and a novel bent-tapered TE1-to-TE0 mode converter. The rotator has a simulated polarization conversion loss lower than 0.2 dB and a polarization-extinction ratio larger than 25 dB over a wavelength range of 80 nm around 1550 nm. The rotator has a SiO2 top-cladding and can be fabricated in a CMOS-compatible process.
authors.forename: Hang
authors.initials: H
authors.lastname: Guan
authors.forename: Yangjin
authors.initials: Y
authors.lastname: Ma
authors.forename: Ruizhi
authors.initials: R
authors.lastname: Shi
authors.forename: Ari
authors.initials: A
authors.lastname: Novack
authors.forename: Jingcheng
authors.initials: J
authors.lastname: Tao
authors.forename: Qing
authors.initials: Q
authors.lastname: Fang
authors.forename: Andy Eu-Jin
authors.initials: AE
authors.lastname: Lim
authors.forename: Guo-Qiang
authors.initials: GQ
authors.lastname: Lo
authors.forename: Tom
authors.initials: T
authors.lastname: Baehr-Jones
authors.forename: Michael
authors.initials: M
authors.lastname: Hochberg