Ii-vi Delaware, Inc.

Xuewen Lu

Haiji J Yuan

Helen Chen

Guomin Jiang

Qingyu Li

Yimin Ji

Lixin Wang

Wenyi Cao

A reconfigurable polarization rotator is formed of an array of very small liquid crystal (LC) cells (e.g., cells of less than 10 μm in width, termed 'microcells'), referred to hereinafter as “microcells”. Each LC microcell is addressable by a separate electrical voltage input that independently controls the polarization rotation performed by the associated LC microcell. By defining a set of adjacent microcells to be held at the same voltage level, that group may be used to form a polarization rotator window of a proper size for a first fiber array configuration. When a fiber array of a different configuration (say, an array with twice the pitch) is used, a different-sized group of adjacent LC microcells is held at a common voltage level so as to form a reconfigured “window” of a new dimension.

Reconfigurable port arrays for wavelength selectable switch

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San Jose, CA, United States of America

Xuewen Lu