K. Christodoulopoulos, M. Angelou, D. Klonidis, P. Zakynthinos, E. Varvarigos, and I. Tomkos, “Value analysis methodology for flexible optical networks,” in Proc. of ECOC, 2011, We.10.P1.89.

M. Angelou, K. Christodoulopoulos, D. Klonidis, A. Klekamp, F. Buchali, E. Varvarigos, and I. Tomkos, “Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks,” in Proc. of OFC/NFOEC, 2012, NM3F4.

A. Bocoi, M. Schuster, F. Rambach, D. A. Schupke, C. A. Bunge, and B. Spinnler, “Cost comparison of networks using traditional 10 and 40 Gb/s transponders versus OFDM transponders,” in Proc. of OFC/NFOEC, 2008, OThB4.

M. Angelou, K. Christodoulopoulos, D. Klonidis, A. Klekamp, F. Buchali, E. Varvarigos, and I. Tomkos, “Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks,” in Proc. of OFC/NFOEC, 2012, NM3F4.

A. Klekamp, R. Dischler, and F. Buchali, “Transmission reach of optical-OFDM superchannels with 10–600 Gb/s for transparent bit-rate adaptive networks,” in Proc. of ECOC, 2011, Tu.3.K.2.

A. Bocoi, M. Schuster, F. Rambach, D. A. Schupke, C. A. Bunge, and B. Spinnler, “Cost comparison of networks using traditional 10 and 40 Gb/s transponders versus OFDM transponders,” in Proc. of OFC/NFOEC, 2008, OThB4.

S. Poole, S. Frisken, M. A. Roelens, and C. Cameron, “Bandwidth-flexible ROADMs as network elements,” in Proc. of OFC, 2011, OTuE1.

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,” in Proc. of ECOC, 2009, PD2.6.

A. Morea, A. F. Chong, and O. Rival, “Impact of transparent network constraints on capacity gain of elastic channel spacing,” in OFC/NFOEC, 2011, JWA62.

K. Christodoulopoulos, I. Tomkos, and E. A. Varvarigos, “Elastic bandwidth allocation in flexible OFDM-based optical networks,” J. Lightwave Technol., vol. 29, pp. 1354–1366, 2011.

[CrossRef]

K. Christodoulopoulos, K. Manousakis, and E. Varvarigos, “Reach adapting algorithms for mixed line rate WDM transport networks,” J. Lightwave Technol., vol. 29, no. 21, pp. 3350–3363, 2011.

[CrossRef]

M. Angelou, K. Christodoulopoulos, D. Klonidis, A. Klekamp, F. Buchali, E. Varvarigos, and I. Tomkos, “Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks,” in Proc. of OFC/NFOEC, 2012, NM3F4.

K. Christodoulopoulos, M. Angelou, D. Klonidis, P. Zakynthinos, E. Varvarigos, and I. Tomkos, “Value analysis methodology for flexible optical networks,” in Proc. of ECOC, 2011, We.10.P1.89.

A. Klekamp, R. Dischler, and F. Buchali, “Transmission reach of optical-OFDM superchannels with 10–600 Gb/s for transparent bit-rate adaptive networks,” in Proc. of ECOC, 2011, Tu.3.K.2.

S. Poole, S. Frisken, M. A. Roelens, and C. Cameron, “Bandwidth-flexible ROADMs as network elements,” in Proc. of OFC, 2011, OTuE1.

O. Gerstel, M. Jinno, A. Lord, and S. J. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag., vol. 50, no. 2, pp. s12–s20, Feb.2012.

[CrossRef]

C. Glingener, “Optical networking trends and evolution,” in Proc. of OFC, 2011, OThAA1.

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, and A. Hirano, “Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network,” IEEE Commun. Mag., vol. 48, no. 8, pp. 138–145, Aug.2010.

[CrossRef]

A. N. Patel, P. N. Ji, J. P. Jue, and T. Wang, “Survivable transparent flexible optical WDM (FWDM) networks,” in Proc. of OFC/NFOEC, 2011, OTuI2.

O. Gerstel, M. Jinno, A. Lord, and S. J. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag., vol. 50, no. 2, pp. s12–s20, Feb.2012.

[CrossRef]

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, and A. Hirano, “Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network,” IEEE Commun. Mag., vol. 48, no. 8, pp. 138–145, Aug.2010.

[CrossRef]

A. N. Patel, P. N. Ji, J. P. Jue, and T. Wang, “Survivable transparent flexible optical WDM (FWDM) networks,” in Proc. of OFC/NFOEC, 2011, OTuI2.

N. Patel, J. P. Jue, and T. Wang, “First shared path protection scheme for generalized network connectivity in gridless optical WDM networks,” in ACP 2010, 1–2 Dec. 2010, PD6.

M. Angelou, K. Christodoulopoulos, D. Klonidis, A. Klekamp, F. Buchali, E. Varvarigos, and I. Tomkos, “Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks,” in Proc. of OFC/NFOEC, 2012, NM3F4.

A. Klekamp, R. Dischler, and F. Buchali, “Transmission reach of optical-OFDM superchannels with 10–600 Gb/s for transparent bit-rate adaptive networks,” in Proc. of ECOC, 2011, Tu.3.K.2.

M. Angelou, K. Christodoulopoulos, D. Klonidis, A. Klekamp, F. Buchali, E. Varvarigos, and I. Tomkos, “Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks,” in Proc. of OFC/NFOEC, 2012, NM3F4.

K. Christodoulopoulos, M. Angelou, D. Klonidis, P. Zakynthinos, E. Varvarigos, and I. Tomkos, “Value analysis methodology for flexible optical networks,” in Proc. of ECOC, 2011, We.10.P1.89.

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, and A. Hirano, “Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network,” IEEE Commun. Mag., vol. 48, no. 8, pp. 138–145, Aug.2010.

[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,” in Proc. of ECOC, 2009, PD2.6.

O. Gerstel, M. Jinno, A. Lord, and S. J. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag., vol. 50, no. 2, pp. s12–s20, Feb.2012.

[CrossRef]

A. Morea, A. F. Chong, and O. Rival, “Impact of transparent network constraints on capacity gain of elastic channel spacing,” in OFC/NFOEC, 2011, JWA62.

O. Rival and A. Morea, “Cost-efficiency of mixed 10-40-100 Gb/s networks and elastic optical networks,” in OFC/NFOEC, 2011, OTuI4.

A. Nag, M. Tornatore, and B. Mukherjee, “Optical network design with mixed line rates and multiple modulation formats,” J. Lightwave Technol., vol. 28, pp. 466–475, 2010.

[CrossRef]

A. Nag, M. Tornatore, and B. Mukherjee, “Optical network design with mixed line rates and multiple modulation formats,” J. Lightwave Technol., vol. 28, pp. 466–475, 2010.

[CrossRef]

A. N. Patel, P. N. Ji, J. P. Jue, and T. Wang, “Survivable transparent flexible optical WDM (FWDM) networks,” in Proc. of OFC/NFOEC, 2011, OTuI2.

N. Patel, J. P. Jue, and T. Wang, “First shared path protection scheme for generalized network connectivity in gridless optical WDM networks,” in ACP 2010, 1–2 Dec. 2010, PD6.

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,” in Proc. of ECOC, 2009, PD2.6.

S. Poole, S. Frisken, M. A. Roelens, and C. Cameron, “Bandwidth-flexible ROADMs as network elements,” in Proc. of OFC, 2011, OTuE1.

A. Bocoi, M. Schuster, F. Rambach, D. A. Schupke, C. A. Bunge, and B. Spinnler, “Cost comparison of networks using traditional 10 and 40 Gb/s transponders versus OFDM transponders,” in Proc. of OFC/NFOEC, 2008, OThB4.

A. Morea, A. F. Chong, and O. Rival, “Impact of transparent network constraints on capacity gain of elastic channel spacing,” in OFC/NFOEC, 2011, JWA62.

O. Rival and A. Morea, “Cost-efficiency of mixed 10-40-100 Gb/s networks and elastic optical networks,” in OFC/NFOEC, 2011, OTuI4.

S. Poole, S. Frisken, M. A. Roelens, and C. Cameron, “Bandwidth-flexible ROADMs as network elements,” in Proc. of OFC, 2011, OTuE1.

S. J. Savory, “Digital signal processing options in long haul transmission,” in Proc. of OFC/NFOEC, 2008, OTuO3.

R. Huelsermann, M. Gunkel, C. Meusburger, and D. A. Schupke, “Cost modeling and evaluation of capital expenditures in optical multilayer networks,” J. Opt. Netw., vol. 7, no. 9, pp. 814–833, Sept.2008.

[CrossRef]

A. Bocoi, M. Schuster, F. Rambach, D. A. Schupke, C. A. Bunge, and B. Spinnler, “Cost comparison of networks using traditional 10 and 40 Gb/s transponders versus OFDM transponders,” in Proc. of OFC/NFOEC, 2008, OThB4.

A. Bocoi, M. Schuster, F. Rambach, D. A. Schupke, C. A. Bunge, and B. Spinnler, “Cost comparison of networks using traditional 10 and 40 Gb/s transponders versus OFDM transponders,” in Proc. of OFC/NFOEC, 2008, OThB4.

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, and A. Hirano, “Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network,” IEEE Commun. Mag., vol. 48, no. 8, pp. 138–145, Aug.2010.

[CrossRef]

A. Bocoi, M. Schuster, F. Rambach, D. A. Schupke, C. A. Bunge, and B. Spinnler, “Cost comparison of networks using traditional 10 and 40 Gb/s transponders versus OFDM transponders,” in Proc. of OFC/NFOEC, 2008, OThB4.

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, and A. Hirano, “Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network,” IEEE Commun. Mag., vol. 48, no. 8, pp. 138–145, Aug.2010.

[CrossRef]

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, and A. Hirano, “Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network,” IEEE Commun. Mag., vol. 48, no. 8, pp. 138–145, Aug.2010.

[CrossRef]

K. Christodoulopoulos, I. Tomkos, and E. A. Varvarigos, “Elastic bandwidth allocation in flexible OFDM-based optical networks,” J. Lightwave Technol., vol. 29, pp. 1354–1366, 2011.

[CrossRef]

M. Angelou, K. Christodoulopoulos, D. Klonidis, A. Klekamp, F. Buchali, E. Varvarigos, and I. Tomkos, “Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks,” in Proc. of OFC/NFOEC, 2012, NM3F4.

K. Christodoulopoulos, M. Angelou, D. Klonidis, P. Zakynthinos, E. Varvarigos, and I. Tomkos, “Value analysis methodology for flexible optical networks,” in Proc. of ECOC, 2011, We.10.P1.89.

A. Nag, M. Tornatore, and B. Mukherjee, “Optical network design with mixed line rates and multiple modulation formats,” J. Lightwave Technol., vol. 28, pp. 466–475, 2010.

[CrossRef]

K. Christodoulopoulos, K. Manousakis, and E. Varvarigos, “Reach adapting algorithms for mixed line rate WDM transport networks,” J. Lightwave Technol., vol. 29, no. 21, pp. 3350–3363, 2011.

[CrossRef]

K. Christodoulopoulos, M. Angelou, D. Klonidis, P. Zakynthinos, E. Varvarigos, and I. Tomkos, “Value analysis methodology for flexible optical networks,” in Proc. of ECOC, 2011, We.10.P1.89.

M. Angelou, K. Christodoulopoulos, D. Klonidis, A. Klekamp, F. Buchali, E. Varvarigos, and I. Tomkos, “Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks,” in Proc. of OFC/NFOEC, 2012, NM3F4.

N. Patel, J. P. Jue, and T. Wang, “First shared path protection scheme for generalized network connectivity in gridless optical WDM networks,” in ACP 2010, 1–2 Dec. 2010, PD6.

A. N. Patel, P. N. Ji, J. P. Jue, and T. Wang, “Survivable transparent flexible optical WDM (FWDM) networks,” in Proc. of OFC/NFOEC, 2011, OTuI2.

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, and A. Hirano, “Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network,” IEEE Commun. Mag., vol. 48, no. 8, pp. 138–145, Aug.2010.

[CrossRef]

O. Gerstel, M. Jinno, A. Lord, and S. J. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag., vol. 50, no. 2, pp. s12–s20, Feb.2012.

[CrossRef]

K. Christodoulopoulos, M. Angelou, D. Klonidis, P. Zakynthinos, E. Varvarigos, and I. Tomkos, “Value analysis methodology for flexible optical networks,” in Proc. of ECOC, 2011, We.10.P1.89.

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,” in Proc. of ECOC, 2009, PD2.6.

O. Gerstel, M. Jinno, A. Lord, and S. J. Yoo, “Elastic optical networking: A new dawn for the optical layer?” IEEE Commun. Mag., vol. 50, no. 2, pp. s12–s20, Feb.2012.

[CrossRef]

M. Jinno, B. Kozicki, H. Takara, A. Watanabe, Y. Sone, T. Tanaka, and A. Hirano, “Distance-adaptive spectrum resource allocation in spectrum-sliced elastic optical path network,” IEEE Commun. Mag., vol. 48, no. 8, pp. 138–145, Aug.2010.

[CrossRef]

K. Christodoulopoulos, I. Tomkos, and E. A. Varvarigos, “Elastic bandwidth allocation in flexible OFDM-based optical networks,” J. Lightwave Technol., vol. 29, pp. 1354–1366, 2011.

[CrossRef]

K. Christodoulopoulos, K. Manousakis, and E. Varvarigos, “Reach adapting algorithms for mixed line rate WDM transport networks,” J. Lightwave Technol., vol. 29, no. 21, pp. 3350–3363, 2011.

[CrossRef]

A. Nag, M. Tornatore, and B. Mukherjee, “Optical network design with mixed line rates and multiple modulation formats,” J. Lightwave Technol., vol. 28, pp. 466–475, 2010.

[CrossRef]

S. Poole, S. Frisken, M. A. Roelens, and C. Cameron, “Bandwidth-flexible ROADMs as network elements,” in Proc. of OFC, 2011, OTuE1.

C. Glingener, “Optical networking trends and evolution,” in Proc. of OFC, 2011, OThAA1.

A. N. Patel, P. N. Ji, J. P. Jue, and T. Wang, “Survivable transparent flexible optical WDM (FWDM) networks,” in Proc. of OFC/NFOEC, 2011, OTuI2.

A. Bocoi, M. Schuster, F. Rambach, D. A. Schupke, C. A. Bunge, and B. Spinnler, “Cost comparison of networks using traditional 10 and 40 Gb/s transponders versus OFDM transponders,” in Proc. of OFC/NFOEC, 2008, OThB4.

A. Morea, A. F. Chong, and O. Rival, “Impact of transparent network constraints on capacity gain of elastic channel spacing,” in OFC/NFOEC, 2011, JWA62.

O. Rival and A. Morea, “Cost-efficiency of mixed 10-40-100 Gb/s networks and elastic optical networks,” in OFC/NFOEC, 2011, OTuI4.

K. Christodoulopoulos, M. Angelou, D. Klonidis, P. Zakynthinos, E. Varvarigos, and I. Tomkos, “Value analysis methodology for flexible optical networks,” in Proc. of ECOC, 2011, We.10.P1.89.

M. Angelou, K. Christodoulopoulos, D. Klonidis, A. Klekamp, F. Buchali, E. Varvarigos, and I. Tomkos, “Spectrum, cost and energy efficiency in fixed-grid and flex-grid networks,” in Proc. of OFC/NFOEC, 2012, NM3F4.

A. Klekamp, R. Dischler, and F. Buchali, “Transmission reach of optical-OFDM superchannels with 10–600 Gb/s for transparent bit-rate adaptive networks,” in Proc. of ECOC, 2011, Tu.3.K.2.

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,” in Proc. of ECOC, 2009, PD2.6.

N. Patel, J. P. Jue, and T. Wang, “First shared path protection scheme for generalized network connectivity in gridless optical WDM networks,” in ACP 2010, 1–2 Dec. 2010, PD6.

S. J. Savory, “Digital signal processing options in long haul transmission,” in Proc. of OFC/NFOEC, 2008, OTuO3.