4 June 2010 Investigation of on-chip all-optical quantization and novel encoding method: paving the way for optical analog-to-digital conversion chip
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Abstract
On-chip, all-optical quantization based on pulse spectral broadening in a 6 cm long chalcogenide waveguide and subsequent filtering is analyzed. Transfer function is obtained for an 8-level quantizer using 2 nm bandwidth filters. Matrix transformation is used to encode the quantized data into a gray-code. An all-optical implementation of the matrix transformation encoder is proposed based on all-optical Exclusive-OR (XOR) gate. Broad bandwidth supercontinuum generation in a chalcogenide waveguide and optical XOR gate based encoder paves the way for ultra-high bandwidth, high-resolution all-optical analog-to-digital conversion chip.
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Ravi Pant, Ravi Pant, Chunle Xiong, Chunle Xiong, Steve Madden, Steve Madden, Barry Luther Davies, Barry Luther Davies, Benjamin J. Eggleton, Benjamin J. Eggleton, } "Investigation of on-chip all-optical quantization and novel encoding method: paving the way for optical analog-to-digital conversion chip", Proc. SPIE 7728, Nonlinear Optics and Applications IV, 772809 (4 June 2010); doi: 10.1117/12.853990; https://doi.org/10.1117/12.853990
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