NDLI: Design and qualification of hermetically packaged lithium niobate optical modulator

Content Provider	IEEE Xplore Digital Library
Author	Moyer, R.S. Grencavich, R. Smith, R.W. Minford, W.J.
Copyright Year	1997
Description	Author affiliation: AT&T Bell Labs., Breinigsville, PA, USA (Moyer, R.S.)
Abstract	Applications for lithium niobate modulators have developed in CATV, telephone and data communications markets. With deployment of devices in these systems comes the need to ensure long term reliability. In this paper we described the design, assembly, and qualification of a hermetically packaged optical modulator. The qualification devices were fabricated using a pilot production facility running at Lucent Technologies-Bell Laboratories. A variety of techniques are used to hermetically seal the Kovar package. The effects of thermal expansion mismatch between the package and the die are managed by careful package design and assembly operations. The package assembly employs a modular design which allows qualification of the subassemblies as well as the entire modulator. This design modularity allows fiber subassemblies and the lithium niobate die to be characterized for optical and mechanical performance before they are incorporated into the packaged modulator.
Starting Page	425
Ending Page	429
File Size	612291
Page Count	5
File Format	PDF
ISBN	078033857X
ISSN	05695503
DOI	10.1109/ECTC.1997.606205
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Qualifications Hermetic seals Packaging Lithium niobate Assembly Optical modulation Optical design Thermal management Telephony Data communication
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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