Jds Uniphase Corporation

Donald C Hargreaves

Radhakrishnan L Nagarajan

Robert J Lang

Mehrdad Ziari

Marc K Von Gunten

Kuochou Tai

Jay A Skidmore

Lei Xu

Edmund L Wolak

Richard L Duesterberg

Prasad Yalamanchili

Vivek Agrawal

Jeffrey P Zack

Harrison Ransom

Nina D Morozova

Ashok P Kanjamala

Tanya K Oleskevich

David Dawson

Hilary Clarke

Christopher L Hart

William Bardy

A fiber tail assembly (FTA) with a micro-lens formed in the fiber tip is used to couple the laser light out of the package and along the fiber. The FTA is soldered at two points where metallized bands are deposited on the fiber pigtail, one at a fiber mount near the diode where it can be soldered into alignment with the laser diode, and two at the snout which forms a feed through the housing and seal for the package. Typically, the FTA is metallized along its entire length within the package. In this invention the two-metallized bands are separated by a region that is unmetallized.

Optical fiber pigtail assembly

An optical connection module attaches an active or passive optical component to a substrate and aligns the optical component with a first laser. The optical connection module includes a fiber submount that is attached to the substrate and that includes a thermally insulating material having a thickness greater than 20 micrometers. The optical component is soldered to the fiber submount using heat from a second laser. A laser submount is attached to the substrate. The first laser is attached to the laser submount. A fiber bonding pad is located between the thermally insulating material and the optical component. The thermally insulating material and the fiber bonding pad promote lateral heat transfer and limit vertical heat transfer to the substrate during soldering. The thermally insulating material can be integrally formed in the substrate by flame hydrolysis or by anodic bonding.

Optical component attachment to optoelectronic packages

Growing community of inventors

Sidney, Canada

Donald C Hargreaves