Infinera Corporation

Wei Lu

Kim S Jepsen

Guangning Yang

David J Copeland

Yan Han

David Kerr

Marc Placidet

Ulrik Gliese

Avery Van Gieson

Mark LaLiberte

John Lai

A communication system may include a first control circuit to detect a break on a first optical link; a first optical source to supply a first optical signal on a second optical link in response to detecting the break on the first optical link, the first optical signal propagating in a first direction on the second optical link; a second control circuit to detect a presence of the first optical signal on the second optical link, and output a control signal in response to detecting the presence of the first optical signal; and a second optical source to supply a second optical signal on the second optical link, the second optical signal propagating in a second direction opposite the first direction, where the Raman pump is disabled in response to the control signal.

Automatic laser shutdown and recovery in response to a link break

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Bear, DE, United States of America

Wei Lu