Patent · US Active

Optical integrated circuit

US8160405B2 · kind B2 · utility

2Cited by

1References

20Claims

0Family size

Assignee

Infinera Corp. · US

Inventors

Radhakrishnan L. Nagarajan · Santa Clara, US
Masaki Kato · Palo Alto, US
Vikrant Lal · Sunnyvale, US

Key dates

Filing date	Dec 23, 2009
Grant date	Apr 17, 2012
Priority date	—
Expiry date	Oct 13, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/2766
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Consistent with the present disclosure, a non-adiabatic polarization rotator is provided that can rotate the polarization of an incoming over a relatively short length. Light is supplied to the polarization rotator via a polarizer, which insures that the optical input to the polarization polarization rotator has a desired polarization. Preferably, the polarization rotator has a structure that is readily implemented with semiconductor materials and can be fabricated with known processing techniques. In addition, the polarization rotator and polarizer may include similar materials and/or layers, such that both may be readily integrated on a common substrate, such as an indium phosphide (InP) substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.