All-Optical Analog-to-Digital Conversion Based on Polarization Modulation and Wavelength-Dependent Birefringence
作者： Muguang Wang , Yu Fu , Chenguang Shao , Tangjun Li , Shuisheng Jian
关键词: Effective number of bits 、 Wavelength 、 Birefringence 、 Polarization rotator 、 Modulation 、 Polarization-maintaining optical fiber 、 Radial polarization 、 Polarization (waves) 、 Materials science 、 Optics
摘要: A novel scheme of all-optical analog-to-digital conversion (ADC) based on polarization modulation and wavelength-dependent birefringence is proposed experimentally demonstrated. modulator a beam splitter are employed to realize modulation-to-intensity conversion. Thanks the in section polarization-maintaining fiber, phase-shift optical quantization obtained by adjusting wavelength spacing multiwavelength pulse laser array. proof-of-concept experiment performed. An ADC with 16 levels an effective number bits 3.7 demonstrated using 8 different wavelengths identical interval.
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