Abstract

We investigate the capacity improvement achieved by bandwidth-variable transceivers (BVTs) in fiber links with cascaded reconfigurable optical add and drop multiplexers (ROADMs). It is shown that BVTs with flexibilities in both symbol rate and spectral efficiency enable one to optimize capacity by balancing optical filtering tolerance and signal required signal-to-noise ratio (SNR). Compared with a fixed symbol rate transceiver with standard quadrature amplitude modulations (QAMs), BVTs can increase average capacity by up to 17% in both simulations and experiments.

© 2017 Optical Society of America

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2016 (2)

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

M. Qiu, Q. Zhuge, W. Wang, M. Chagnon, F. Zhang, and D. V. Plant, “Optimized superscalar parallelization-based carrier phase recovery for agile metro optical networks,” J. Lightwave Technol. 34(4), 1111–1119 (2016).
[Crossref]

2015 (3)

K. Roberts, S. H. Foo, M. Moyer, M. Hubbard, A. Sinclair, J. Gaudette, and C. Laperle, “High capacity transport-100G and beyond,” J. Lightwave Technol. 33(3), 563–578 (2015).
[Crossref]

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

2014 (3)

2013 (2)

2012 (3)

2011 (2)

2009 (1)

Agrell, E.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Alreesh, S.

Arik, S. Ö.

Baxter, G. W.

Betoule, C.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

Bowers, J. E.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Brandt-Pearce, M.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Castoldi, P.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Chagnon, M.

Chang, G.-K.

Chraplyvy, A.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Cugini, F.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

D’Errico, A.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Detwiler, T.

Eggleton, B. J.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Ellis, A. D.

El-Sahn, Z. A.

Elschner, R.

Fabrega, J. M.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Filer, M.

Fischer, J. K.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

J. K. Fischer, S. Alreesh, R. Elschner, F. Frey, M. Nölle, C. Schmidt-Langhorst, and C. Schubert, “Bandwidth-variable transceivers based on four-dimensional modulation formats,” J. Lightwave Technol. 32(16), 2886–2895 (2014).
[Crossref]

Foo, S. H.

Frey, F.

Frigerio, S.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Frisken, S.

Gaudette, J.

Gerstel, O.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

O. Gerstel, M. Jinno, A. Lord, and S. B. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag. 50(2), 12–20 (2012).
[Crossref]

Gimenez, J. P. F.-P.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Gisin, N.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Hsueh, Y.-T.

Hubbard, M.

Jinno, M.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

O. Gerstel, M. Jinno, A. Lord, and S. B. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag. 50(2), 12–20 (2012).
[Crossref]

Karlsson, M.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Klonidis, D.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

Koike-Akino, T.

Kojima, K.

Krummrich, P. M.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Kschischang, F. R.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Laperle, C.

Liu, C.

Lopez, V.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

Lord, A.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

O. Gerstel, M. Jinno, A. Lord, and S. B. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag. 50(2), 12–20 (2012).
[Crossref]

Magill, P.

X. Zhou, L. E. Nelson, and P. Magill, “Rate-adaptable optics for next generation long-haul transport networks,” IEEE Commun. Mag. 51(3), 41–49 (2013).
[Crossref]

Millar, D. S.

Moreolo, M. S.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Morsy-Osman, M.

Mousa-Pasandi, M. E.

Moyer, M.

Napoli, A.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Nelson, L. E.

X. Zhou, L. E. Nelson, and P. Magill, “Rate-adaptable optics for next generation long-haul transport networks,” IEEE Commun. Mag. 51(3), 41–49 (2013).
[Crossref]

Nolle, M.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Nölle, M.

O’Sullivan, M.

Pagano, A.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Palkopoulou, E.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

Parsons, K.

Plant, D. V.

Poole, S.

Prat, J.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Pulikkaseril, C.

Qiu, M.

Rafique, D.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
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D. Rafique and A. D. Ellis, “Nonlinear and ROADM induced penalties in 28 Gbaud dynamic optical mesh networks employing electronic signal processing,” Opt. Express 19(18), 16739–16748 (2011).
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Ralph, S. E.

Riccardi, E.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Richardson, D. J.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

Roberts, K.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
[Crossref]

K. Roberts, S. H. Foo, M. Moyer, M. Hubbard, A. Sinclair, J. Gaudette, and C. Laperle, “High capacity transport-100G and beyond,” J. Lightwave Technol. 33(3), 563–578 (2015).
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K. Roberts and C. Laperle, “Flexible transceivers,” in European Conference on Optical Communication (Optical Society of America2012), We3A3.
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Roelens, M. A.

Salas, E. H.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
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Sambo, N.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
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Savory, S. J.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
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Schmidt-Langhorst, C.

Schubert, C.

Secondini, M.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
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Sekiya, M.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
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Siracusa, D.

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
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Srinivasan, S.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
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Stark, A.

Stewart, L. A.

Sugihara, T.

Taylor, M. G.

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D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
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Tibuleac, S.

Tomkos, I.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
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Wang, W.

Winzer, P.

E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
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Xu, X.

Yoo, S. B.

O. Gerstel, M. Jinno, A. Lord, and S. B. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag. 50(2), 12–20 (2012).
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Yoshida, T.

Zervas, G.

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

Zhang, F.

Zhou, X.

X. Zhou, L. E. Nelson, and P. Magill, “Rate-adaptable optics for next generation long-haul transport networks,” IEEE Commun. Mag. 51(3), 41–49 (2013).
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Zhuge, Q.

IEEE Commun. Mag. (4)

O. Gerstel, M. Jinno, A. Lord, and S. B. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag. 50(2), 12–20 (2012).
[Crossref]

D. Klonidis, F. Cugini, O. Gerstel, M. Jinno, V. Lopez, E. Palkopoulou, M. Sekiya, D. Siracusa, G. Thouenon, and C. Betoule, “Spectrally and spatially flexible optical network planning and operations,” IEEE Commun. Mag. 53(2), 69–78 (2015).
[Crossref]

N. Sambo, P. Castoldi, A. D’Errico, E. Riccardi, A. Pagano, M. S. Moreolo, J. M. Fabrega, D. Rafique, A. Napoli, S. Frigerio, E. H. Salas, G. Zervas, M. Nolle, J. K. Fischer, A. Lord, and J. P. F.-P. Gimenez, “Next generation sliceable bandwidth variable transponders,” IEEE Commun. Mag. 53(2), 163–171 (2015).
[Crossref]

X. Zhou, L. E. Nelson, and P. Magill, “Rate-adaptable optics for next generation long-haul transport networks,” IEEE Commun. Mag. 51(3), 41–49 (2013).
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J. Lightwave Technol. (7)

Q. Zhuge, M. Morsy-Osman, X. Xu, M. Chagnon, M. Qiu, and D. V. Plant, “Spectral efficiency-adaptive optical transmission using time domain hybrid QAM for agile optical networks,” J. Lightwave Technol. 31(15), 2621–2628 (2013).
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C. Laperle and M. O’Sullivan, “Advances in high-speed DACs, ADCs, and DSP for optical coherent transceivers,” J. Lightwave Technol. 32(4), 629–643 (2014).
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K. Roberts, S. H. Foo, M. Moyer, M. Hubbard, A. Sinclair, J. Gaudette, and C. Laperle, “High capacity transport-100G and beyond,” J. Lightwave Technol. 33(3), 563–578 (2015).
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J. K. Fischer, S. Alreesh, R. Elschner, F. Frey, M. Nölle, C. Schmidt-Langhorst, and C. Schubert, “Bandwidth-variable transceivers based on four-dimensional modulation formats,” J. Lightwave Technol. 32(16), 2886–2895 (2014).
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Y.-T. Hsueh, A. Stark, C. Liu, T. Detwiler, S. Tibuleac, M. Filer, G.-K. Chang, and S. E. Ralph, “Passband narrowing and crosstalk impairments in ROADM-enabled 100G DWDM networks,” J. Lightwave Technol. 30(24), 3980–3986 (2012).
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M. G. Taylor, “Phase estimation methods for optical coherent detection using digital signal processing,” J. Lightwave Technol. 27(7), 901–914 (2009).
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M. Qiu, Q. Zhuge, W. Wang, M. Chagnon, F. Zhang, and D. V. Plant, “Optimized superscalar parallelization-based carrier phase recovery for agile metro optical networks,” J. Lightwave Technol. 34(4), 1111–1119 (2016).
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E. Agrell, M. Karlsson, A. Chraplyvy, D. J. Richardson, P. M. Krummrich, P. Winzer, K. Roberts, J. K. Fischer, S. J. Savory, B. J. Eggleton, M. Secondini, F. R. Kschischang, A. Lord, J. Prat, I. Tomkos, J. E. Bowers, S. Srinivasan, M. Brandt-Pearce, and N. Gisin, “Roadmap of optical communications,” J. Opt. 18(6), 063002 (2016).
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Opt. Express (4)

Other (10)

D. M. Marom, “Progress report on the design and development of flexible elements for the ‘Drop’ and ‘Add’ function,” http://cordis.europa.eu/docs/projects/cnect/5/318415/080/deliverables/001-FOXCD43Ares20142424820.pdf .

V. Curri, A. Carena, P. Poggiolini, R. Cigliutti, F. Forghieri, C. R. Fludger, and T. Kupfer, “Time-division hybrid modulation formats: Tx operation strategies and countermeasures to nonlinear propagation,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2014), paper Tu3A.2.
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X. Zhou, Q. Zhuge, M. Qiu, M. Xiang, F. Zhang, and D. V. Plant, “Capacity improvement using bandwidth-variable transceiver in meshed optical networks with cascaded ROADMs, ” in European Conference on Optical Communication (ECOC, 2016), paper W4P1SC4.42.

X. Chen, S. Chandrasekhar, S. Randel, W. Gu, and P. Winzer, “Experimental quantification of implementation penalties from limited ADC resolution for Nyquist shaped higher-order QAM,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4A.3.
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Q. Zhuge, X. Xu, M. Morsy-Osman, M. Chagnon, M. Qiu, and D. V. Plant, “Time domain hybrid QAM based rate-adaptive optical transmissions using high speed DACs,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2013), paper OTh4E.6.
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W. Wang, Q. Zhuge, Y. Gao, X. Xu, and D. Plant, “Performance optimization in ROADM-enabled DWDM systems using flexible modulation formats,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Th2A.27.
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W. Idler, F. Buchali, L. Schmalen, K. Schuh, and H. Buelow, “Hybrid modulation formats outperforming 16QAM and 8QAM in transmission distance and filtering with cascaded WSS,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper M3G.4.

F. Buchali, W. Idler, L. Schmalen, and K. Schuh, “Performance and advantages of 100 Gb/s QPSK/8QAM hybrid modulation formats,” in Optical Fiber Communication Conference (Optical Society of America, 2015), Th2A. 16.
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K. Roberts and C. Laperle, “Flexible transceivers,” in European Conference on Optical Communication (Optical Society of America2012), We3A3.
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Y. Gao, Q. Zhuge, D. V. Plant, C. Lu, and A. P. T. Lau, “Blind and universal DSP for arbitrary modulation formats and time domain hybrid QAM transmissions,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2014), paper Th3E.5.
[Crossref]

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Figures (8)

Fig. 1
Fig. 1 (a) Illustration of using BVTs in a fiber link with cascaded ROADMs. (b) 3-dB bandwidth of cascaded filtering versus number of ROADMs. (c) Required SNR versus BpS of TDHQ.
Fig. 2
Fig. 2 Simulation setup.
Fig. 3
Fig. 3 BER versus symbol rate for OSNR = 16.6 dB: (a) 5 cascaded ROADMs and (b) 15 cascaded ROADMs.
Fig. 4
Fig. 4 (a) The achieved capacity, and the corresponding (b) bits per symbol and (c) symbol rate versus OSNR with 15 cascaded ROADMs.
Fig. 5
Fig. 5 (a) The achieved capacity, and the corresponding (b) bits per symbol and (c) symbol rate versus the number of cascaded ROADMs for OSNR = 21 dB.
Fig. 6
Fig. 6 Experimental setup. VOA: variable optical attenuator. SW: switch. BPF: bandpass filter. Pre-Amp: pre-amplifier. ECL: external cavity laser. PC: polarization controller.
Fig. 7
Fig. 7 Achievable transmission distance in terms of number of loops at BER = 0.02 versus (a) BpS with 32 Gbaud symbol rate and (b) symbol rate with standard QAMs. The dashed lines are the interpolated maximum reaches.
Fig. 8
Fig. 8 (a) The achieved capacity and the corresponding (b) bits per symbol and (c) symbol rate for the four BVT modes.

Tables (3)

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Table 1 Four Different Modes of BVT

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Table 2 Simulated Capacity Improvements w.r.t Mode-1

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Table 3 Capacity Improvement w.r.t. Mode-1 in Experiments

Equations (2)

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S(f)= 1 2 σ 2π [erf( B 0 /2f 2 σ )erf( B 0 /2f 2 σ )]
σ= B OTF 2 2ln2

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