A photonic approach using an optical filter array is proposed to perform instantaneous frequency measurement with digital outputs. 4-bit digital outputs are then experimentally demonstrated within the range of 20~40 GHz.
© 2011 OSA
(350.4010) Other areas of optics : Microwaves
(070.2615) Fourier optics and signal processing : Frequency filtering
(060.5625) Fiber optics and optical communications : Radio frequency photonics
X. Zou, W. Pan, B. Luo, and L. Yan, "Instantaneous Frequency Measurement with Digital Outputs Based on An Optical Filter Array," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JWA047.
References are not available for this paper.