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- Title
Simplified 2-bit photonic digital-to-analog conversion unit based on polarization multiplexing.
- Authors
Fangzheng Zhang; Bindong Gao; Xiaozhong Ge; Shilong Pan
- Abstract
A 2-bit photonic digital-to-analog conversion unit is proposed and demonstrated based on polarization multiplexing. The proposed 2-bit digital-to-analog converter (DAC) unit is realized by optical intensity weighting and summing, and its complexity is greatly reduced compared with the traditional 2-bit photonic DACs. Performance of the proposed 2-bit DAC unit is experimentally investigated. The established 2-bit DAC unit achieves a good linear transfer function, and the effective number of bits is calculated to be 1.3. Based on the proposed 2-bit DAC unit, two DAC structures with higher (>2) bit resolutions are proposed and discussed, and the system complexity is expected to be reduced by half by using the proposed technique.
- Subjects
DIGITAL-to-analog conversion; MULTIPLEXING; MICROWAVE photonics; PHOTONICS research; ELECTRONIC data processing
- Publication
Optical Engineering, 2016, Vol 55, Issue 3, p1
- ISSN
0091-3286
- Publication type
Article
- DOI
10.1117/1.OE.55.3.031115