• DocumentCode
    1333008
  • Title

    Integration of microlensed LED and double heterojunction bipolar transistors for transmitter OEIC

  • Author

    Song-Cheol Hong ; Young-Se Kwon

  • Volume
    32
  • Issue
    19
  • fYear
    1996
  • fDate
    9/12/1996 12:00:00 AM
  • Firstpage
    1821
  • Lastpage
    1823
  • Abstract
    An optoelectronic integrated circuit (OEIC) consisting of a highly focusing AlGaAs microlensed LED and a double heterojunction bipolar transistor (DHBT) has been fabricated. A 30 μm radius microlens was used to focus IR radiation into a beam-spot smaller than 3 μm. A microlensed LED focused its output light within a full width at half maximum (FWHM) of 17° in the far field pattern. An integrated microlensed LED radiated ~35 mW of maximum light output with a driving current of 120 mA, and its driving DHBT with a 10×15 μm2 emitter showed a DC current gain of β=20
  • Keywords
    heterojunction bipolar transistors; integrated optoelectronics; lenses; light emitting diodes; optical focusing; optical transmitters; 120 mA; 35 mW; AlGaAs; DC current gain; IR radiation; double heterojunction bipolar transistor; driving current; focusing microlensed LED; optoelectronic integrated circuit; transmitter OEIC;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19961195
  • Filename
    533607
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1333008