1.55-μm InGaAsP distributed feedback vapor phase transported buried heterostructure lasers

T. L. Koch, T. J. Bridges, E. G. Burkhardt, P. J. Corvini, L. A. Coldren, R. A. Linke, W. T. Tsang, R. A. Logan, L. F. Johnson, R. F. Kazarinov, R. Yen, D. P. Wilt

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

1.55-μm single longitudinal mode InGaAsP distributed feedback (DFB) lasers have been fabricated using a vapor phase transported (VPT) buried heterostructure geometry on a liquid phase epitaxially grown broad area DFB base. Lasing thresholds in the 35-65-mA range were obtained, with side mode suppression ratios as high as 39 dB under modulation. The VPT DFB laser has both a good high-speed modulation capability and low wavelength chirping under high-speed modulation, making it an attractive candidate for high bit rate, long-haul optical fiber systems applications, with demonstrated record system performance at both 2 and 4 Gbit/s.

Original languageEnglish (US)
Pages (from-to)12-14
Number of pages3
JournalApplied Physics Letters
Volume47
Issue number1
DOIs
StatePublished - 1985
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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