Wavelength monitoring with low-contrast multimode interference waveguide

Wavelength monitoring with low-contrast multimode interference waveguide

We demonstrate a wavelength monitor based on interference effect in planar quantum-well waveguide fabricated using argon plasma quantum-well intermixing. The passive device exhibits a characteristic curve, which is used to determine the wavelength of an arbitrary input light near the 1550-nm window....

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Veröffentlicht in:IEEE photonics technology letters 2005-04, Vol.17 (4), p.822-824
Hauptverfasser: Sookdhis, C., Ting Mei, Djie, H.S.
Format: Artikel
Sprache:eng
Schlagworte:
Argon plasma
Devices
Distributed feedback devices
Integrated optics
Interference
Laser feedback
Laser stability
Laser tuning
Monitoring
Monitors
multimode waveguides
Optical waveguides
Quantum well lasers
Quantum wells
Semiconductor waveguides
Waveguide lasers
Waveguides
wavelength measurement
Wavelengths
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Beschreibung
Zusammenfassung:We demonstrate a wavelength monitor based on interference effect in planar quantum-well waveguide fabricated using argon plasma quantum-well intermixing. The passive device exhibits a characteristic curve, which is used to determine the wavelength of an arbitrary input light near the 1550-nm window. It has an exponential-like wavelength response in the wavelength range 1520-1620 nm and resolution of 0.2 nm.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2005.844012