科研之友
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摘要
We propose a novel and systematic approach for constructing quasi-phase-matched grating structures using the Hadamard matrix. Using this new approach, we have exploited the efficacy of the Hadamard matrix in quasi-phase matching technology, by comparing the second-harmonic spectral response with the corresponding power spectra of the Hadamard matrix. We have successfully identified various existing quasi-periodic optical superlattices from different columns of the Hadamard matrix. On employing our framework, we further indicate a systematic method for constructing various new quasi-periodic optical superlattices.
- 出版日期2014-1
