Tunable dual-mode operation in a chirped grating distributed-feedback laser

We report on the tunable dual-mode operation of a chirped grating distributed-feedback (DFB) laser device with two integrated modulators which act as tuning sections. A transfer-matrix model is used to simulate the amplified spontaneous emission spectrum for a chirped grating DFB laser. Several type...

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Bibliographic Details
Published in:IEEE photonics technology letters 2000-08, Vol.12 (8), p.963-965
Main Authors: Hsu, A., Chuang, S.L., Tanbun-Ek, T.
Format: Article
Language:English
Subjects:
Chirp modulation
Computer simulation
Diffraction gratings
Distributed feedback devices
Fiber lasers
Gratings
Gratings (spectra)
Laser feedback
Laser modes
Laser tuning
Lasers
Modulators
Semiconductor lasers
Spontaneous emission
Tunable circuits and devices
Tuning
Wavelengths
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Summary:We report on the tunable dual-mode operation of a chirped grating distributed-feedback (DFB) laser device with two integrated modulators which act as tuning sections. A transfer-matrix model is used to simulate the amplified spontaneous emission spectrum for a chirped grating DFB laser. Several types of dual-mode operation are observed for wavelength spacings of 0.5 nm and 1.4 nm corresponding to frequency detunings of 63 GHz and 175 GHz.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.867975