Requirements for uncooled direct lasers modulation at 10Gb/s

Kevin A. Williams; Richard V. Penty; Ian H. White; Mark Silver

doi:10.1117/12.429792

Requirements for uncooled direct lasers modulation at 10Gb/s

Kevin A. Williams, Richard V. Penty, Ian H. White, Mark Silver

Vice Chancellor's Office

Research output: Contribution to journal › Article › peer-review

2 Citations (SciVal)

Abstract

Requirements for directly modulated semiconductor lasers are investigated in terms of directly measurable laser and link parameters. Data rates comparable to the bandwidth imposed by the active layer design are considered, and performance is assessed in terms of laser resonance frequency and damping. Link critical variables such as contrast ratio, fall time and error rate are thereby related directly to parameters extracted from static measurements. To allow error free operation, a resonance frequency equal to the data rate is acceptable, but to ensure a fast fall time, resonance frequencies exceeding one and a half times the data rate are necessary.

Original language	English
Pages (from-to)	118-127
Number of pages	10
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	4287
DOIs	https://doi.org/10.1117/12.429792
Publication status	Published - 1 Jan 2001

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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AB - Requirements for directly modulated semiconductor lasers are investigated in terms of directly measurable laser and link parameters. Data rates comparable to the bandwidth imposed by the active layer design are considered, and performance is assessed in terms of laser resonance frequency and damping. Link critical variables such as contrast ratio, fall time and error rate are thereby related directly to parameters extracted from static measurements. To allow error free operation, a resonance frequency equal to the data rate is acceptable, but to ensure a fast fall time, resonance frequencies exceeding one and a half times the data rate are necessary.

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Requirements for uncooled direct lasers modulation at 10Gb/s

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