Uncooled DBR laser directly modulated at 3.125 Gb/s as athermal transmitter for low-cost WDM systems

Yiran Liu; Andrew R. Davies; Jonathan D. Ingham; Richard V. Penty; Ian H. White

doi:10.1109/LPT.2005.856367

Uncooled DBR laser directly modulated at 3.125 Gb/s as athermal transmitter for low-cost WDM systems

Yiran Liu, Andrew R. Davies, Jonathan D. Ingham, Richard V. Penty, Ian H. White

Vice Chancellor's Office

University of Cambridge

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

24 Citations (SciVal)

Abstract

An uncooled three-section tunable distributed Bragg reflector laser is demonstrated as an athermal transmitter for low-cost uncooled wavelength-division-multiplexing (WDM) systems with tight channel spacing. A ±0.02-nm thermal wavelength drift is achieved under continuous-wave operation up to 70 °C. Dynamic sidemode suppression ratio of greater than 35 dB is consistently obtained under 3.125-Gb/s direct modulation over a 20 °C-70 °C temperature range, with wavelength variation of as low as ±0.2 nm. This indicates that more than an order of magnitude reduction in coarse WDM channel spacing is possible using this source.

Original language	English
Pages (from-to)	2026-2028
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	17
Issue number	10
DOIs	https://doi.org/10.1109/LPT.2005.856367
Publication status	Published - 1 Oct 2005

Funding

The authors would like to thank Bookham Technology for providing DBR devices and EPSRC for support of the project.

Keywords

Direct intensity modulation
Optical fiber communications
Semiconductor lasers
Tunable lasers
Wavelength-division-multiplexing (WDM) applications

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2005.856367

Cite this

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abstract = "An uncooled three-section tunable distributed Bragg reflector laser is demonstrated as an athermal transmitter for low-cost uncooled wavelength-division-multiplexing (WDM) systems with tight channel spacing. A ±0.02-nm thermal wavelength drift is achieved under continuous-wave operation up to 70 °C. Dynamic sidemode suppression ratio of greater than 35 dB is consistently obtained under 3.125-Gb/s direct modulation over a 20 °C-70 °C temperature range, with wavelength variation of as low as ±0.2 nm. This indicates that more than an order of magnitude reduction in coarse WDM channel spacing is possible using this source.",

keywords = "Direct intensity modulation, Optical fiber communications, Semiconductor lasers, Tunable lasers, Wavelength-division-multiplexing (WDM) applications",

author = "Yiran Liu and Davies, {Andrew R.} and Ingham, {Jonathan D.} and Penty, {Richard V.} and White, {Ian H.}",

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AU - Liu, Yiran

AU - Davies, Andrew R.

AU - Ingham, Jonathan D.

AU - Penty, Richard V.

AU - White, Ian H.

PY - 2005/10/1

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AB - An uncooled three-section tunable distributed Bragg reflector laser is demonstrated as an athermal transmitter for low-cost uncooled wavelength-division-multiplexing (WDM) systems with tight channel spacing. A ±0.02-nm thermal wavelength drift is achieved under continuous-wave operation up to 70 °C. Dynamic sidemode suppression ratio of greater than 35 dB is consistently obtained under 3.125-Gb/s direct modulation over a 20 °C-70 °C temperature range, with wavelength variation of as low as ±0.2 nm. This indicates that more than an order of magnitude reduction in coarse WDM channel spacing is possible using this source.

KW - Direct intensity modulation

KW - Optical fiber communications

KW - Semiconductor lasers

KW - Tunable lasers

KW - Wavelength-division-multiplexing (WDM) applications

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Uncooled DBR laser directly modulated at 3.125 Gb/s as athermal transmitter for low-cost WDM systems

Abstract

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Keywords

ASJC Scopus subject areas

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