Dual-output modulation in time-wavelength interleaved photonic analog-to-digital converter based on actively mode-locked laser

Huajie Zhang; Weiwen Zou; Guang Yang; Jianping Chen

doi:10.3788/COL201614.030602

Journals >Chinese Optics Letters >Volume 14 >Issue 3 >Page 030602 > Article

Chinese Optics Letters
Vol. 14, Issue 3, 030602 (2016)

Dual-output modulation in time-wavelength interleaved photonic analog-to-digital converter based on actively mode-locked laser

Huajie Zhang¹, Weiwen Zou^1、2、*, Guang Yang¹, and Jianping Chen^1、2

Author Affiliations

¹State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

²Shanghai Key Lab of Navigation and Location Services, Shanghai Jiao Tong University, Shanghai 200240, China

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DOI: 10.3788/COL201614.030602 Cite this Article Set citation alerts

Huajie Zhang, Weiwen Zou, Guang Yang, Jianping Chen. Dual-output modulation in time-wavelength interleaved photonic analog-to-digital converter based on actively mode-locked laser[J]. Chinese Optics Letters, 2016, 14(3): 030602 Copy Citation Text

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Abstract

This Letter demonstrates the application of dual-output modulation in a photonic analog-to-digital converter (PADC) with a high sampling rate and resolution. The PADC is time-wavelength interleaved and based on an actively mode-locked laser. According to theoretical analysis, the dual-output PADC system shows a better linearity for achieving a higher dynamic range. In the experiment, third-order distortion is significantly suppressed by

～ 40 dB

when the dual-output modulator is used and the effective number of bits of the PADC has reached 9.0 bits below 0.2 GHz and 6.4 bits at 6.1 GHz in our PADC with a sampling rate of 20 GS/s.