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Optica Publishing Group
  • Optical Fiber Communication Conference
  • 1996 OSA Technical Digest Series (Optica Publishing Group, 1996),
  • paper WL4

Self-oscillating optoelectronic up-converter using a heterojunction bipolar transistor

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Abstract

Recently, fiber-optic subcarrier transmission links for personal mobile communications have been investigated.1 In these links, a radio base station consists of E/O and O/E converter and microwave circuits. Because many radio base stations are required, their simplification and miniaturization is important. A heterojunction bipolar transistor (HBT) is used not only as a photodetector2 but also as an optoelectronic mixer.3 An HBT has a high optical coupling efficiency and utilizing an HBT in such links is useful. In this paper, we present an HBT self-oscillating optoelectronic up-converter, which can unify the functions of photodetection, oscillation, and microwave mixing, which were done separately in conventional systems.

© 1996 Optical Society of America

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