Measurement of chirp parameter in GaInAs/GaInAsP quantum well electroabsorption modulators by using intracavity modulation

Measurement of chirp parameter in GaInAs/GaInAsP quantum well electroabsorption modulators by using intracavity modulation

A useful technique for evaluating the chirp parameter alpha of electroabsorption modulators is presented. The alpha parameter of a GaInAs/GaInAsP quantum-well (QW) electroabsorption modulator integrated with an active segment in a Fabry-Perot cavity has been evaluated by measuring the Fabry-Perot fr...

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Veröffentlicht in:IEEE photonics technology letters 1993-12, Vol.5 (12), p.1389-1391
Hauptverfasser: Koyama, F., Liou, K.-Y., Dentai, A.G., Raybon, G., Burrus, C.A.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Chirp modulation
Exact sciences and technology
Fabry-Perot
Fundamental areas of phenomenology (including applications)
Gain measurement
MOCVD
Optical elements, devices, and systems
Optical processors, correlators, and modulators
Optics
Physics
Refractive index
Resonance
Semiconductor lasers
Voltage
Wavelength measurement
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Zusammenfassung:A useful technique for evaluating the chirp parameter alpha of electroabsorption modulators is presented. The alpha parameter of a GaInAs/GaInAsP quantum-well (QW) electroabsorption modulator integrated with an active segment in a Fabry-Perot cavity has been evaluated by measuring the Fabry-Perot fringes. It has been shown that the relationship between absorption changes and refractive index changes is nonlinear and the alpha parameter is dependent on operating wavelengths.< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.262550