Abstract

In this paper, we propose and demonstrate two integrated optics InGaAsP/InP depolarizer circuits. The first one is based on the Lyot depolarizer configuration, while the second one is based on the Mach–Zehnder configuration. Detailed simulation, using three-dimensional full vectorial beam propagation method, shows that a high-index contrast material allows the design of a compact polarization insensitive depolarizer. For the first design, an output degree of polarization (DOP) less than 0.1 is obtained for light sources with spectral widths larger than 25 nm, while for the second one, output DOP less than 0.06 is obtained for light sources with spectral widths larger than 40 nm.

© 2015 Optical Society of America

Passive single-mode fiber depolarizer

Paisheng Shen and Joseph C. Palais
Appl. Opt. 38(9) 1686-1691 (1999)

Lyot depolarizer in terms of the theory of coherence—description for light of any spectrum

Piotr L. Makowski, Marek Z. Szymanski, and Andrzej W. Domanski
Appl. Opt. 51(5) 626-634 (2012)

Polarization characterization of a Mach–Zehnder interferometer

A. Mabrouki, M. Gadonna, and R. Le Naour
Appl. Opt. 35(19) 3591-3596 (1996)

Compact InGaAsP/InP 3 × 3  multimode-interference coupler-based electro-optic switch

Sixuan Mu, Ke Liu, Shuang Wang, Chenglong Zhang, Baolu Guan, and Deshu Zou
Appl. Opt. 55(7) 1795-1802 (2016)

Computer-generated infrared depolarizer using space-variant subwavelength dielectric gratings

Gabriel Biener, Avi Niv, Vladimir Kleiner, and Erez Hasman
Opt. Lett. 28(16) 1400-1402 (2003)