X. Zhou, X. Zheng, H. Wen, H. Zhang, B. Zhou, “Generation of broadband optical frequency comb with rectangular envelope using cascaded intensity and dual-parallel modulators,” Opt. Commun. 313, 356–359 (2014).

[CrossRef]

J. Li, C. Yu, Z. Li, “Complementary frequency shifter based on polarization modulator used for generation of a high-quality frequency-locked multicarrier,” Opt. Lett. 39(6), 1513–1516 (2014).

[CrossRef]

F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, G. K. Chang, “Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 km transmission based on optical comb in standard single-mode fiber,” Opt. Eng. 52(11), 116103 (2013).

[CrossRef]

J. Li, Z. Li, “Frequency-locked multicarrier generator based on a complementary frequency shifter with double recirculating frequency-shifting loops,” Opt. Lett. 38(3), 359–361 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

D. Hillerkuss, R. Schmogrow, M. Meyer, S. Wolf, M. Jordan, P. Kleinow, J. Leuthold, “Single-laser 32.5 Tbit/s Nyquist WDM transmission,” J. Opt. Commun. Netw. 4(10), 715–723 (2012).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Y. Shao, L. Tao, J. Zhu, Y. Wang, “Stable Optical Frequency-Locked Multicarriers Generation by Double Recirculating Frequency Shifter Loops for Tb/s Communication,” J. Lightwave Technol. 30(24), 3938–3945 (2012).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

J. Li, X. Zhang, F. Tian, L. Xi, “Theoretical and experimental study on generation of stable and high-quality multi-carrier source based on re-circulating frequency shifter used for Tb/s optical transmission,” Opt. Express 19(2), 848–860 (2011).

[CrossRef]
[PubMed]

G. Bosco, V. Curri, A. Carena, P. Poggiolini, F. Forghieri, “On the performance of Nyquist-WDM terabit superchannels based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM subcarriers,” J. Lightwave Technol. 29(1), 53–61 (2011).

[CrossRef]

F. Tian, X. Zhang, J. Li, L. Xi, “Generation of 50 stable frequency-locked optical carriers for Tb/s multicarrier optical transmission using a recirculating frequency shifter,” J. Lightwave Technol. 29(8), 1085–1091 (2011).

[CrossRef]

J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, L. Tao, “Generation of coherent and frequency-lock multi-carriers using cascaded phase modulators and recirculating frequency shifter for Tb/s optical communication,” Opt. Express 19(14), 12891–12902 (2011).

[CrossRef]
[PubMed]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

Y. Ma, Q. Yang, Y. Tang, S. Chen, W. Shieh, “1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access,” Opt. Express 17(11), 9421–9427 (2009).

[CrossRef]
[PubMed]

M. A. Mirza, G. Stewart, “Multi-wavelength operation of erbiumdoped fiber lasers by periodic filtering and phase modulation,” J. Lightwave Technol. 27(8), 1034–1044 (2009).

[CrossRef]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, G. K. Chang, “Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 km transmission based on optical comb in standard single-mode fiber,” Opt. Eng. 52(11), 116103 (2013).

[CrossRef]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Y. Shao, L. Tao, J. Zhu, Y. Wang, “Stable Optical Frequency-Locked Multicarriers Generation by Double Recirculating Frequency Shifter Loops for Tb/s Communication,” J. Lightwave Technol. 30(24), 3938–3945 (2012).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, L. Tao, “Generation of coherent and frequency-lock multi-carriers using cascaded phase modulators and recirculating frequency shifter for Tb/s optical communication,” Opt. Express 19(14), 12891–12902 (2011).

[CrossRef]
[PubMed]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

J. Li, C. Yu, Z. Li, “Complementary frequency shifter based on polarization modulator used for generation of a high-quality frequency-locked multicarrier,” Opt. Lett. 39(6), 1513–1516 (2014).

[CrossRef]

J. Li, Z. Li, “Frequency-locked multicarrier generator based on a complementary frequency shifter with double recirculating frequency-shifting loops,” Opt. Lett. 38(3), 359–361 (2013).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, J. Li, L. Xi, “Generation of 50 stable frequency-locked optical carriers for Tb/s multicarrier optical transmission using a recirculating frequency shifter,” J. Lightwave Technol. 29(8), 1085–1091 (2011).

[CrossRef]

J. Li, X. Zhang, F. Tian, L. Xi, “Theoretical and experimental study on generation of stable and high-quality multi-carrier source based on re-circulating frequency shifter used for Tb/s optical transmission,” Opt. Express 19(2), 848–860 (2011).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, G. K. Chang, “Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 km transmission based on optical comb in standard single-mode fiber,” Opt. Eng. 52(11), 116103 (2013).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Y. Shao, L. Tao, J. Zhu, Y. Wang, “Stable Optical Frequency-Locked Multicarriers Generation by Double Recirculating Frequency Shifter Loops for Tb/s Communication,” J. Lightwave Technol. 30(24), 3938–3945 (2012).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, L. Tao, “Generation of coherent and frequency-lock multi-carriers using cascaded phase modulators and recirculating frequency shifter for Tb/s optical communication,” Opt. Express 19(14), 12891–12902 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, G. K. Chang, “Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 km transmission based on optical comb in standard single-mode fiber,” Opt. Eng. 52(11), 116103 (2013).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Y. Shao, L. Tao, J. Zhu, Y. Wang, “Stable Optical Frequency-Locked Multicarriers Generation by Double Recirculating Frequency Shifter Loops for Tb/s Communication,” J. Lightwave Technol. 30(24), 3938–3945 (2012).

[CrossRef]

J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, L. Tao, “Generation of coherent and frequency-lock multi-carriers using cascaded phase modulators and recirculating frequency shifter for Tb/s optical communication,” Opt. Express 19(14), 12891–12902 (2011).

[CrossRef]
[PubMed]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, G. K. Chang, “Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 km transmission based on optical comb in standard single-mode fiber,” Opt. Eng. 52(11), 116103 (2013).

[CrossRef]

J. Li, X. Zhang, F. Tian, L. Xi, “Theoretical and experimental study on generation of stable and high-quality multi-carrier source based on re-circulating frequency shifter used for Tb/s optical transmission,” Opt. Express 19(2), 848–860 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, J. Li, L. Xi, “Generation of 50 stable frequency-locked optical carriers for Tb/s multicarrier optical transmission using a recirculating frequency shifter,” J. Lightwave Technol. 29(8), 1085–1091 (2011).

[CrossRef]

X. Zhou, X. Zheng, H. Wen, H. Zhang, B. Zhou, “Generation of broadband optical frequency comb with rectangular envelope using cascaded intensity and dual-parallel modulators,” Opt. Commun. 313, 356–359 (2014).

[CrossRef]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, G. K. Chang, “Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 km transmission based on optical comb in standard single-mode fiber,” Opt. Eng. 52(11), 116103 (2013).

[CrossRef]

J. Li, X. Zhang, F. Tian, L. Xi, “Theoretical and experimental study on generation of stable and high-quality multi-carrier source based on re-circulating frequency shifter used for Tb/s optical transmission,” Opt. Express 19(2), 848–860 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, J. Li, L. Xi, “Generation of 50 stable frequency-locked optical carriers for Tb/s multicarrier optical transmission using a recirculating frequency shifter,” J. Lightwave Technol. 29(8), 1085–1091 (2011).

[CrossRef]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Y. Shao, L. Tao, J. Zhu, Y. Wang, “Stable Optical Frequency-Locked Multicarriers Generation by Double Recirculating Frequency Shifter Loops for Tb/s Communication,” J. Lightwave Technol. 30(24), 3938–3945 (2012).

[CrossRef]

J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, L. Tao, “Generation of coherent and frequency-lock multi-carriers using cascaded phase modulators and recirculating frequency shifter for Tb/s optical communication,” Opt. Express 19(14), 12891–12902 (2011).

[CrossRef]
[PubMed]

X. Zhou, X. Zheng, H. Wen, H. Zhang, B. Zhou, “Generation of broadband optical frequency comb with rectangular envelope using cascaded intensity and dual-parallel modulators,” Opt. Commun. 313, 356–359 (2014).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Y. Shao, L. Tao, J. Zhu, Y. Wang, “Stable Optical Frequency-Locked Multicarriers Generation by Double Recirculating Frequency Shifter Loops for Tb/s Communication,” J. Lightwave Technol. 30(24), 3938–3945 (2012).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, L. Tao, “Generation of coherent and frequency-lock multi-carriers using cascaded phase modulators and recirculating frequency shifter for Tb/s optical communication,” Opt. Express 19(14), 12891–12902 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, G. K. Chang, “Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 km transmission based on optical comb in standard single-mode fiber,” Opt. Eng. 52(11), 116103 (2013).

[CrossRef]

J. Li, X. Zhang, F. Tian, L. Xi, “Theoretical and experimental study on generation of stable and high-quality multi-carrier source based on re-circulating frequency shifter used for Tb/s optical transmission,” Opt. Express 19(2), 848–860 (2011).

[CrossRef]
[PubMed]

F. Tian, X. Zhang, J. Li, L. Xi, “Generation of 50 stable frequency-locked optical carriers for Tb/s multicarrier optical transmission using a recirculating frequency shifter,” J. Lightwave Technol. 29(8), 1085–1091 (2011).

[CrossRef]

X. Zhou, X. Zheng, H. Wen, H. Zhang, B. Zhou, “Generation of broadband optical frequency comb with rectangular envelope using cascaded intensity and dual-parallel modulators,” Opt. Commun. 313, 356–359 (2014).

[CrossRef]

X. Zhou, X. Zheng, H. Wen, H. Zhang, B. Zhou, “Generation of broadband optical frequency comb with rectangular envelope using cascaded intensity and dual-parallel modulators,” Opt. Commun. 313, 356–359 (2014).

[CrossRef]

X. Zhou, X. Zheng, H. Wen, H. Zhang, B. Zhou, “Generation of broadband optical frequency comb with rectangular envelope using cascaded intensity and dual-parallel modulators,” Opt. Commun. 313, 356–359 (2014).

[CrossRef]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Y. Shao, L. Tao, J. Zhu, Y. Wang, “Stable Optical Frequency-Locked Multicarriers Generation by Double Recirculating Frequency Shifter Loops for Tb/s Communication,” J. Lightwave Technol. 30(24), 3938–3945 (2012).

[CrossRef]

J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, L. Tao, “Generation of coherent and frequency-lock multi-carriers using cascaded phase modulators and recirculating frequency shifter for Tb/s optical communication,” Opt. Express 19(14), 12891–12902 (2011).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, Y. Shao, L. Tao, X. Li, “Theoretical and experimental study on improved frequency-locked multi-carrier generation by using recirculating loop based on multi-frequency shifting single-side band modulation,” IEEE Photon. J. 4(6), 2249–2261 (2012).

[CrossRef]

M. A. Mirza, G. Stewart, “Multi-wavelength operation of erbiumdoped fiber lasers by periodic filtering and phase modulation,” J. Lightwave Technol. 27(8), 1034–1044 (2009).

[CrossRef]

G. Bosco, V. Curri, A. Carena, P. Poggiolini, F. Forghieri, “On the performance of Nyquist-WDM terabit superchannels based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM subcarriers,” J. Lightwave Technol. 29(1), 53–61 (2011).

[CrossRef]

F. Tian, X. Zhang, J. Li, L. Xi, “Generation of 50 stable frequency-locked optical carriers for Tb/s multicarrier optical transmission using a recirculating frequency shifter,” J. Lightwave Technol. 29(8), 1085–1091 (2011).

[CrossRef]

J. Zhang, J. Yu, N. Chi, Y. Shao, L. Tao, J. Zhu, Y. Wang, “Stable Optical Frequency-Locked Multicarriers Generation by Double Recirculating Frequency Shifter Loops for Tb/s Communication,” J. Lightwave Technol. 30(24), 3938–3945 (2012).

[CrossRef]

X. Zhou, X. Zheng, H. Wen, H. Zhang, B. Zhou, “Generation of broadband optical frequency comb with rectangular envelope using cascaded intensity and dual-parallel modulators,” Opt. Commun. 313, 356–359 (2014).

[CrossRef]

F. Tian, X. Zhang, L. Xi, A. Stark, S. E. Ralph, G. K. Chang, “Experiment of 2.56-Tb/s, polarization division multiplexing return-to-zero 16-ary quadrature amplitude modulation, 25 GHz grid coherent optical wavelength division multiplexing, 800 km transmission based on optical comb in standard single-mode fiber,” Opt. Eng. 52(11), 116103 (2013).

[CrossRef]

Y. Ma, Q. Yang, Y. Tang, S. Chen, W. Shieh, “1-Tb/s single-channel coherent optical OFDM transmission over 600-km SSMF fiber with subwavelength bandwidth access,” Opt. Express 17(11), 9421–9427 (2009).

[CrossRef]
[PubMed]

J. Li, X. Zhang, F. Tian, L. Xi, “Theoretical and experimental study on generation of stable and high-quality multi-carrier source based on re-circulating frequency shifter used for Tb/s optical transmission,” Opt. Express 19(2), 848–860 (2011).

[CrossRef]
[PubMed]

J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, L. Tao, “Generation of coherent and frequency-lock multi-carriers using cascaded phase modulators and recirculating frequency shifter for Tb/s optical communication,” Opt. Express 19(14), 12891–12902 (2011).

[CrossRef]
[PubMed]

X. Liu, S. Chandrasekhar, X. Chen, P. J. Winzer, Y. Pan, T. F. Taunay, B. Zhu, M. Fishteyn, M. F. Yan, J. M. Fini, E. M. Monberg, F. V. Dimarcello, “1.12-Tb/s 32-QAM-OFDM superchannel with 8.6-b/s/Hz intrachannel spectral efficiency and space-division multiplexed transmission with 60-b/s/Hz aggregate spectral efficiency,” Opt. Express 19(26), B958–B964 (2011).

[CrossRef]
[PubMed]

J. Li, Z. Li, “Frequency-locked multicarrier generator based on a complementary frequency shifter with double recirculating frequency-shifting loops,” Opt. Lett. 38(3), 359–361 (2013).

[CrossRef]
[PubMed]

J. Zhang, J. Yu, N. Chi, Z. Dong, X. Li, Y. Shao, J. Yu, L. Tao, “Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset,” Opt. Lett. 38(4), 552–554 (2013).

[CrossRef]
[PubMed]

J. Li, C. Yu, Z. Li, “Complementary frequency shifter based on polarization modulator used for generation of a high-quality frequency-locked multicarrier,” Opt. Lett. 39(6), 1513–1516 (2014).

[CrossRef]

S. Chandrasekhar, X. Liu, B. Zhu, and D. W. Peckham, “Transmission of a 1.2-Tb/s 24-carrier no-guard-interval coherent OFDM superchannel over 7200-km of ultra-large-area fiber,” European Conference on Optical Communications, paper PD2.6, Vienna, Austria (2009).

N. K. Fontaine, “Spectrally-sliced coherent receivers for THz bandwidth optical communications.” European Conference on Optical Communications, paper Mo.3.C.1, London, UK (2012).

[CrossRef]

G. P. Agrawal, Applications of Nonlinear Fiber Optics (Academic Press, 2001), Chap. 4.