Patent · US Expired

Optoelectronic circuit including heterojunction bipolar transistor laser and photodetector

US5535231A · kind A · utility

16Cited by
1References
49Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1994
Grant dateJul 9, 1996
Priority date
Expiry dateNov 8, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/0264
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optoelectronic integrated circuit furnishes a monolithic integration of high-speed transistors, lasers and photodetectors for optoelectronic communication applications. The monolithic device integrates an indium phosphorus (InP)/indium gallium arsenide (InGaAs) emitter-down heterojunction bipolar transistor with an InP/InGaAs quantum well laser and modulator, and a metal-semiconductor-metal photodetector.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.