The former CEO of Chromatis Networks, Bob Barron, has walked away from his position at

Lucent Technologies

(NYSE:LU), which bought Chromatis in mid-2000.

Barron will not be replaced, as Lucent has abolished his position, Metropolitan Optical Networking Section manager as it reorganizes its optical networks section for the second time.

Bob Barron joined Lucent after the Israeli startup he headed, Chromatis Networks, was bought by Lucent in June 2000 for about $4.5 billion. His departure flouts a commitment he and other Chromatis executives made upon the startup's acquisition, to stay at Lucent for at least four years.

Barron's departure is another indication of fundamental reorganization at Lucent. In fact, it is the giant's second restructuring in a few months.

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Like many technology companies, Lucent has been trimming flab. The dismissals have not passed over its optics division. TheMarker.com has learned that no dismissals are planned at the Israeli facility of Chromatis, at this stage.

After the completion of the merger with Chromatis in August 2000, Barron took over Lucent's metro products division, replacing Harry Bosco.

Shortly thereafter, Lucent temporarily united the metro division with its InterNetworking unit. The metro unit has now been taken back under the wing of the optical communications networks division.

Chromatis carries out R&D for Lucent in Israel. Sources at the company told TheMarker.com that it sold several optical switching units for metro environments in recent weeks. The sources say that some are already working with live traffic.

The information is surprising given that Lucent has not announced the completion of any new R&D, the launch of a new product, or any new contracts.

Lucent has been under pressure from shareholders to create value. One would think it would leap on Chromatis' achievements as a PR coup. The sources surmised that Lucent preferred not to publicize the sales for its own internal public-relations considerations.