Abstract

This review article is dedicated to the late Professor Hermann A. Haus. The noise of linear amplifiers is discussed in terms of the fundamental law of quantum mechanics and is analyzed using an electrical circuit model. The operational principles of two types of amplifiers-negative conductance amplifier and nonlinear susceptance amplifier-are studied with a special emphasis on those at optical frequencies. The application of such optical amplifiers to optical telecommunication systems is reviewed.

© 2003 IEEE

PDF Article

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription