Tunable dual-wavelength picosecond pulse generation by the use of two Fabry-Pérot laser diodes in an external injection seeding scheme

M. Zhang; D. N. Wang; H. Li; Wei Jin; M. S. Demokan

doi:10.1109/68.974172

Tunable dual-wavelength picosecond pulse generation by the use of two Fabry-Pérot laser diodes in an external injection seeding scheme

M. Zhang, D. N. Wang, H. Li, Wei Jin, M. S. Demokan

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

34 Citations (Scopus)

Abstract

An attractive alternative to generate tunable dual-wavelength pulses by external injection seeding of a gain-switched Fabry-Pérot laser diode (FP-LD) is demonstrated. The external-injection-seeding branch consists of only a FP-LD, a 3-dB coupler and two fiber Bragg gratings (FBGs). The two wavelengths can be selected and their spacing can be tuned by adjusting two FBGs. The output sidemode-suppression-ratio is better than 17 dB over a 10-nm wavelength tuning range. The whole system is simple and of low cost.

Original language	English
Pages (from-to)	92-94
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	14
Issue number	1
DOIs	https://doi.org/10.1109/68.974172
Publication status	Published - 1 Jan 2002

Keywords

External injection seeding
Gain switching
Picosecond pulse

ASJC Scopus subject areas

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

More information

10.1109/68.974172

http://hdl.handle.net/10397/353

Cite this

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abstract = "An attractive alternative to generate tunable dual-wavelength pulses by external injection seeding of a gain-switched Fabry-P{\'e}rot laser diode (FP-LD) is demonstrated. The external-injection-seeding branch consists of only a FP-LD, a 3-dB coupler and two fiber Bragg gratings (FBGs). The two wavelengths can be selected and their spacing can be tuned by adjusting two FBGs. The output sidemode-suppression-ratio is better than 17 dB over a 10-nm wavelength tuning range. The whole system is simple and of low cost.",

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AU - Li, H.

AU - Jin, Wei

AU - Demokan, M. S.

PY - 2002/1/1

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AB - An attractive alternative to generate tunable dual-wavelength pulses by external injection seeding of a gain-switched Fabry-Pérot laser diode (FP-LD) is demonstrated. The external-injection-seeding branch consists of only a FP-LD, a 3-dB coupler and two fiber Bragg gratings (FBGs). The two wavelengths can be selected and their spacing can be tuned by adjusting two FBGs. The output sidemode-suppression-ratio is better than 17 dB over a 10-nm wavelength tuning range. The whole system is simple and of low cost.

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Tunable dual-wavelength picosecond pulse generation by the use of two Fabry-Pérot laser diodes in an external injection seeding scheme

Abstract

Keywords

ASJC Scopus subject areas

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