Lasers, Fiber Optics, and Communications

Orthogonal modulation system with Manchester-coded payload and frequency-shift keying label

[+] Author Affiliations
Liu Yang, Fengguang Luo

Huazhong University of Science and Technology, National Engineering Laboratory for Next Generation Internet Access System, School of Optoelectronic Science and Engineering, Wuhan 430074, China

Opt. Eng. 55(4), 046108 (Apr 21, 2016). doi:10.1117/1.OE.55.4.046108
History: Received January 14, 2016; Accepted April 4, 2016
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Abstract.  We propose an orthogonal modulation scheme with 40  Gb/s Manchester-coded (MC) payload and 2.5  Gb/s frequency-shift keying (FSK) label. The high-speed FSK label is generated by an FSK modulator, which consists of two modulators, while MC payload is generated by an intensity modulator. Simulation results show that the available extinction ratio of FSK and amplitude-shift keying with MC payload can improve from 5.1 to 11.2 dB, compared with the traditional not-return-to-zero payload. The receiver sensitivities of both MC payload and FSK label show a remarkable improvement.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Liu Yang and Fengguang Luo
"Orthogonal modulation system with Manchester-coded payload and frequency-shift keying label", Opt. Eng. 55(4), 046108 (Apr 21, 2016). ; http://dx.doi.org/10.1117/1.OE.55.4.046108


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