A scheme for improving optical signal-to-noise ratio of multi-carrier source based on recirculating frequency shifter

Liu Na; Xi Li-Xia; Li Jian-Ping; Zhang Xiao-Guang; Tian Feng; Zhou Hao

doi:10.7498/aps.61.174209

Abstract

The output quality of frequency-locked multi-carrier source based on recirculating frequency shifter (RFS) technology is easily influenced by the inherent high-order harmonic crosstalk of modulator, especially the third-order crosstalk. In order to reduce the third-order crosstalk, a scheme that another RF signal whose frequency is 3fm is loaded on both ports of I/Q modulator is adopted. The first-order signal it produces is used to suppress the third-order crosstalk. A multi-carrier source whose number is 24 and maximal power difference is smaller than 0.1 dB is achieved through theoretical analysis and simulation research. The effective optical signal-to-noise ratio (OSNR) of multi-carrier source is improved by 2 dB compared with that before using the scheme of suppressing third-order crosstalk.

Keywords:

Authors and contacts

1.
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
Funds: Project supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20110005110014), the Scientific Fund for Chinese Universities (Grant No. BUPT 2011RC009), and BUPT Excellent Ph.D. Students Foundation (Grant No. CX201121), and the Basic Research Program of the Shenzhen Science and Technology R D Fund (Grant No. JC201105191003A).

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Cited By

[1]	Yu J J, Zhou X, Huang M F 2009 IEEE Photon. Technol. Lett. 21 1299
[2]	Zhou X, Yu J J, Huang M F, Shao Y, Wang T, Magill P, Cvijetic M, Nelson L, Birk M, Zhang G D, Ten S, Matthew H B, Mishra S K 2009 Optical Fiber Communication/National Fiber Optic Engineers Conference (OFC/NFOEC) San Diego, California, America, March 22-26, 2009 pPDPB4
[3]	Gavioli G, Torrengo E, Bosco G, Carena A, Curri V, Miot V, Poggiolini P, Belmonte M, Forghieri F, Muzio C, Piciaccia S, Brinciotti A, Porta A L, Lezzi C, Savory S, Abrate S 2010 Optical Fiber Communication/ National Fiber Optic Engineers Conference (OFC/NFOEC) San Diego, California, America, March 21-25, 2010 pOThD3
[4]	Gavioli G, Torrengo E, Bosco G, Carena A, Savory S, Forghieri F, Poggiolini P 2010 IEEE Photon. Technol. Lett. 22 1419
[5]	Yu J J, Dong Z, Chi N 2011 IEEE Photon. Technol. Lett. 23 1061
[6]	Liu X, Chandrasekhar S, Chen X, Winzer P J, Pan Y, Zhu B, Taunay T F, Fishteyn M, Yan M F, Fini J M, Monberg E M, Dimarcello F V 2011 European Conference and Exhibition on Optical Communication (ECOC) Vienna, Austria, September 18-22, 2011 pTh.13.B.1
[7]	Tan Z Y, Guo X G, Cao J C, Li H, Han Y J 2010 Acta Phys. Sin. 59 2391 (in Chinese) [谭智勇, 郭旭光, 曹俊诚, 黎华, 韩英军 2010 物理学报 59 2391]
[8]	Jia X H, Zhong D Z, Wang F, Chen H T 2007 Acta Phys. Sin. 56 2637 (in Chinese) [贾新鸿, 钟东洲, 王飞, 陈海涛 2007 物理学报 56 2637]
[9]	Chandrasekhar S, Liu X, Zhu B Y, Peckham D W 2009 European Conference and Exhibition on Optical Communication (ECOC) Vienna, Austria, September 20-24, 2009 pPD2.6
[10]	Zhu B Y, Liu X, Chandrasekhar S, Peckham D W, Lingle R 2010 IEEE Photon. Technol. Lett. 22 826
[11]	Liu X, Chandrasekhar S, Zhu B Y, Peckham D W 2010 Optical Fiber Communication/National Fiber Optic Engineers Conference (OFC/NFOEC) San Diego, California, America, March 21-25 2010 pOWO2
[12]	Ma Y R, Yang Q, Tang Y, Chen S M, Shieh W 2009 Opt. Express 17 9421
[13]	Ma Y R, Yang Q, Tang Y, Chen S M, Shieh W 2009 Optical Fiber Communication/National Fiber Optic Engineers Conference (OFC/NFOEC) San Diego, California, America, March 22-26, 2009 pPDPC1
[14]	Gavioli G, Torrengo E, Bosco G, Carena A, Savory S J, Forghieri F, Poggiolini P 2010 IEEE Photon. Technol. Lett. 22 1419
[15]	Morohashi I, Sakamoto T, Yamamoto N, Sotobayashi H, Kawanishi T, Hosako I 2011 Optical Fiber Communication/National Fiber Optic Engineers Conference (OFC/NFOEC) Los Angeles, California, America, March 6-10, 2011 pJThA29
[16]	Yu J J, Dong Z, Xiao X, Xia Y, Shi S P, Ge C, Zhou W Q, Chi N, Shao Y F 2011 Optical Fiber Communication/National Fiber Optic Engineers Conference (OFC/NFOEC) Los Angeles, California, America, March 6-10, 2011 pPDPA6
[17]	Zhang J W, Chi N, Yu J J, Shao Y F, Zhu J B, Huang B, Tao L 2011 Opt. Express 19 12891
[18]	Yu J J, Dong Z, Zhang J W, Xiao X, Chien H C, Chi N 2012 J. Lightwave Technol. 30 458
[19]	Zhang J W, Yu J J, Dong Z, Shao Y F, Chi N 2011 Opt. Express 19 26370
[20]	Ma Y R, Yang Q, Tang Y, Chen S M, Shieh W 2010 J. Lightwave Technol. 28 308
[21]	Li J P, Li X, Zhang X G, Tian F, Xi L X 2010 Opt. Express 18 17597
[22]	Li J P, Li X, Zhang X G, Tian F, Xi L X 2010 European Conference and Exhibition on Optical Communication (ECOC), Torino, Italy, September19-23, 2010, p3.05
[23]	Li J P, Zhang X G, Tian F, Xi L X 2011 Opt. Express 19 848
[24]	Li J P, Zhang X G, Tian F, Xi L X 2011 Optical Fiber Communication/ National Fiber Optic Engineers Conference (OFC/NFOEC) Los Angeles, California, America, March 6-10, 2011 pOWE4
[25]	Tian F, Zhang X G, Li J P, Xi L X 2011 J. Lightwave Technol. 29 1085
[26]	Tian F, Zhang X G, Li J P, Xi L X 2010 Chin. Phys. Lett. 27 094206
[27]	Xi L X, Li J P, Zhang X G, Tian F, Zhang W B 2011 Chin. Phys. B 20 084202
[28]	Kawanishi T, Izutsu M 2004 IEEE Photon. Technol. Lett. 16 1534

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Vol. 61, Issue 17 - 2012-09-05

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