Methods of and arrangements for buffering digital optical...

Details Methods of and arrangements for buffering digital optical... Methods of and arrangements for buffering digital optical...

H - Electricity

04

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H04J 14/08 (2006.01) G02F 3/00 (2006.01) G11C 13/04 (2006.01) H04J 3/06 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2332391

A method of and arrangement for buffering during at least a predetermined retention time a digital optical signal (S(i), i = 0, ..., 3) having a predetermined digital level, comprising the following steps: a) inputting the optical signal (S(i)) to an optical input of a semiconductor laser element (SLE(i)); b) injecting an injection current to said semiconductor laser element (SLE(i)) to establish an optical gain process in said semiconductor laser element (SLE(i)), the injection current having an amplitude such that said optical gain process and an optical absorption process within said semiconductor laser element (SLE(i)) out- weigh one another longer than said retention time in order to keep said digital optical signal on said predetermined digital level during said retention time.

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