Compact polarization converter in InP-based material

Opt Express. 2005 Jun 27;13(13):5040-5. doi: 10.1364/opex.13.005040.

Abstract

We present a polarization converter using one-dimensional grating principles. The device is based on slanted slots etched deeply into an InP/InGaAsP heterostructure. Almost complete polarization conversion, with a 14 dB extinction ratio, is observed for a device less than 2 microm long.