Effects of frequency chirp in a directly modulated multi-longitudinal mode laser diode using time domain modeling with random noise fluctuations

Hyun Jae Yoon, Min Ho Choi, Nack Jin Chung, In Shik Park, Jichai Jeong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

With the advantage of relative low-cost, multi-longitudinal Fabry-Perot laser diodes are widely used in optical communication system. However, the multi-mode characteristics such as multi-mode excitation and mode competition limit the speed or the distance in transmission. Therefore it is necessary to develop a model to understand how the various parameters influence the multi-mode characteristics. In the time domain model [l], the output fields are given by the convolution of input fields and impulse response of the gain filter. The frequency-dependence gain is modeled using a second order Lorentzian digital filter and the phase shift term caused by changes in carrier density is multiplied to the amplitude gain. To find an effective refractive index and a confinement factor that depend on the structure of a laser diode in a section, we used the effective index method [2]. Also the change of the effective refiactive index in each section by the variation of carrier density is considered.

Original languageEnglish
Title of host publicationCLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages900-901
Number of pages2
ISBN (Electronic)0780356616, 9780780356610
DOIs
Publication statusPublished - 1999
Event1999 Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 1999 - Seoul, Korea, Republic of
Duration: 1999 Aug 301999 Sep 3

Publication series

NameCLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics
Volume3

Other

Other1999 Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 1999
CountryKorea, Republic of
CitySeoul
Period99/8/3099/9/3

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Computer Networks and Communications
  • Physics and Astronomy(all)

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