Open AccessExperimental demonstration of self-aligned InP/InGaAsP polarization converter for polarization multiplexed photonic integrated circuits
Author(s) -
Masaru Zaitsu,
Takuo Tanemura,
Akio Higo,
Yoshiaki Nakano
Publication year - 2013
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.21.006910
Subject(s) - materials science , photonic integrated circuit , optics , polarization (electrochemistry) , optoelectronics , fabrication , photonics , waveguide , wavelength , gallium arsenide , electronic circuit , integrated circuit , physics , medicine , chemistry , alternative medicine , pathology , quantum mechanics
Highly efficient, low-loss, and compact InP/InGaAsP polarization converter based on a half-ridge waveguide structure is fabricated and demonstrated experimentally. The device is fabricated by a simple self-aligned process and integrated with a ridge InP waveguide. Using a 150-μm-long device, we obtain the mode conversion of more than 96% and the on-chip loss of less than 1.0 dB over the broad wavelength range from 1510 to 1575 nm. The experimental results are explained quantitatively using the full-vector eigenmode calculation, which also reveals large fabrication tolerance of the demonstrated device.