Other

Network Elements, Inc.

David R Ohm

Richard A Booman

A method and apparatus for monitoring of a semiconductor light source utilizing a beamsplitter within a photonic package is described, wherein the photonic package comprises a housing, a semiconductor light source disposed within the housing. The semiconductor light source has a first light beam output having data encoded thereon. A beam splitter cube (BSC) also disposed inside the housing to create a first split output of the first light beam output. The BSC has a light beam splitting characteristic that negatively impacts the encoding of the data in the first light beam within a predetermined limited threshold. A photodetector is disposed inside the housing to receive the first split output. The photodetector is adapted to determine properties of the first split output notwithstanding that the first split output is created in the limited impact manner.

Monitoring a semiconductor laser utilizing an incorporated beam splitter device

A photonic package includes a housing having a semiconductor light source disposed within the housing. The semiconductor light source has a first output and a second output. A reflective surface is disposed inside the housing to reflect the second output from the semiconductor light source. A photodetector is also disposed within the housing and is adapted to indirectly receive the second output of the semiconductor light source reflected off the reflective surface. As a result, interior surface of a housing of an optical transponder may be utilized to provide reflected light to a photodetector to monitor the semiconductor light source.

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Tigard, OR, United States of America

David R Ohm