Multiwavelength simultaneous monitoring by integrated planar lightwave circuit and fast Fourier transform techniques

We report a multiwavelength simultaneous monitoring method using the integrated planar lightwave circuit and fast Fourier transform techniques with a single detector. Accuracies of wavelength and power measurements are within /spl plusmn/ 3 GHz and /spl plusmn/ 0.5 dB, both in a 13-dB dynamic range...

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Bibliographic Details
Published in:IEEE photonics technology letters 2003-12, Vol.15 (12), p.1752-1754
Main Authors: Xiao Lin, Li Yan, Madabhushi, R.
Format: Article
Language:English
Subjects:
Circuits
Detectors
Dynamic range
Fast Fourier transforms
Fourier transforms
Frequency
Monitoring
Noise levels
Optical filters
Photonics
Power measurement
Power measurements
Programmable control
Wavelength division multiplexing
Wavelength measurement
Wavelengths
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Summary:We report a multiwavelength simultaneous monitoring method using the integrated planar lightwave circuit and fast Fourier transform techniques with a single detector. Accuracies of wavelength and power measurements are within /spl plusmn/ 3 GHz and /spl plusmn/ 0.5 dB, both in a 13-dB dynamic range of optical power, respectively.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2003.819752