DFB laser RIN degradation in CATV lightwave transmission

TitleDFB laser RIN degradation in CATV lightwave transmission
Publication TypeConference Paper
Year of Publication1998
AuthorsMovassaghi, M., M. K. Jackson, and V. M. Smith
Conference NameLasers and Electro-Optics Society Annual Meeting, 1998. LEOS '98. IEEE
Pagination295 -296 vol.2
Date Publisheddec.
Keywordsanalog lasers, cable television, CATV band, CATV lightwave transmission, DFB laser RIN degradation, distributed feedback lasers, laser variables measurement, linewidth, noise performance, optical attenuator, optical testing, optical transmitters, photodiode, receiver, RIN measurement, semiconductor device testing, Semiconductor lasers, sensitive RIN measurement system, single-mode fiber, substantial RIN degradation, transimpedance amplifier
Abstract

We describe a sensitive RIN measurement system, show that substantial RIN degradation occurs in the CATV band, and that this can significantly impair CNR. We quantitatively show how selection of 1550 nm analog lasers for noise performance should be based on both linewidth and RIN. The RIN measurement setup consists of the laser under test, a length of single-mode fiber, an optical attenuator, and a receiver which contains a photodiode and a transimpedance amplifier

URLhttp://dx.doi.org/10.1109/LEOS.1998.739611
DOI10.1109/LEOS.1998.739611

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