10 Gb/s 16-quadrature amplitude modulation signal delivery over a wireless fiber system by using a directly modulated laser for electrical/optical conversion

Lun Zhao; Jianguo Yu

doi:10.3788/COL201513.060601

Journals >Chinese Optics Letters >Volume 13 >Issue 6 >Page 060601 > Article

Chinese Optics Letters
Vol. 13, Issue 6, 060601 (2015)

10 Gb/s 16-quadrature amplitude modulation signal delivery over a wireless fiber system by using a directly modulated laser for electrical/optical conversion

Lun Zhao and Jianguo Yu^*

Author Affiliations

School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

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DOI: 10.3788/COL201513.060601 Cite this Article Set citation alerts

Lun Zhao, Jianguo Yu. 10 Gb/s 16-quadrature amplitude modulation signal delivery over a wireless fiber system by using a directly modulated laser for electrical/optical conversion[J]. Chinese Optics Letters, 2015, 13(6): 060601 Copy Citation Text

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Fig. 1. Principle of the wireless optical fiber integration system.

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Experimental setup for the 10 Gb/s 16QAM signal transmission over the wireless-fiber integration link without the DML or the fiber. (a) Optical spectrum (0.01 nm resolution) after PM-OC. (b) The gain curve of the W band amplifier.

Fig. 2. Experimental setup for the 10 Gb/s 16QAM signal transmission over the wireless-fiber integration link without the DML or the fiber. (a) Optical spectrum (0.01 nm resolution) after PM-OC. (b) The gain curve of the W band amplifier.

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Fig. 3. BER versus different powers being input into a 100 GHz PD. (a) Electrical signal spectrum before the digital storage OSC (−7 dBm input power into a 100 GHz PD). (b) Constellation after DSP (−7 dBm input power into a 100 GHz PD).

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Fig. 4. Experimental setup for the 10 Gb/s 16QAM signal transmission over the wireless-fiber integration link with the DML and 2 km fiber in the receiver. (a) DML power versus DC bias. (b) Optical spectrum of the DML.

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Fig. 5. BER versus input power into a 15 GHz PD for the 10 Gb/s 16QAM signal transmission with the DML. (a) Electrical signal spectrum before the digital storage OSC (−2 dBm input power into a 15 GHz PD). (b) Constellation after DSP (−2 dBm input power into a 15 GHz PD).

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