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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.
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Keywords:
- optical fiber communication /
- multi-carrier source /
- RFS /
- third-order crosstalk
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[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
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[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
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[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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[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 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 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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