Single-pass folded interleaver/deinterleavers

Details Single-pass folded interleaver/deinterleavers Single-pass folded interleaver/deinterleavers

G - Physics

02

B

G02B 27/10 (2006.01) G02B 6/34 (2006.01) H03M 13/27 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2328747

Interleaver/deinterleaver apparatuses for combining/separating optical channels are described. An interleaver/deinterleaver apparatus is described as folded when an optical signal is directed through a single crystal multiple times. Single- pass refers to the optical signal following a (folded) path through the apparatus a single time. When operating as an deinterleaver, the interleaver/deinterleaver separates an optical signal (e.g., WDM signal) into subsets of optical signals (e.g., channels). When operating as an interleaver, the interleaver/deinterleaver mixes subsets of optical signals (e.g., channels) into a multiplexed (e.g., WDM) optical signal. The interleaver/deinterleaver apparatus can be used to increase the bandwidth of an optical network. For example, the interleaver/deinterleaver can be used to interface components designed for a first channel spacing (e.g., 100 GHz) to components designed for a second channel spacing (e.g., 200 GHz).

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