[1] D. J. Richardson, J. M. Fini, L. E. Nelson. Space-division multiplexing in optical fibres. Nat. Photonics, 7, 354-362(2013).
[2] D. Melati, F. Morichetti, G. G. Gentili, A. Melloni. Optical radiative crosstalk in integrated photonic waveguides. Opt. Lett., 39, 3982-3985(2014).
[3] K. Saitoh, S. Matsuo. Multicore fiber technology. J. Lightwave Technol., 34, 55-66(2016).
[4] R. Ryf, N. K. Fontaine, S. Wittek, K. Choutagunta, M. Mazur, H. Chen, J. C. Alvarado-Zacarias, R. Amezcua-Correa, M. Capuzzo, R. Kopf, A. Tate, H. Safar, C. Bolle, D. T. Neilson, E. Burrows, K. Kim, M. Bigot-Astruc, F. Achten, P. Sillard, A. Amezcua-Correa, J. M. Kahn, J. Schröder, J. Carpenter. High-spectral-efficiency mode-multiplexed transmission over graded-index multimode fiber. European Conference on Optical Communication (ECOC), 1-3(2018).
[5] R. G. H. van Uden, C. M. Okonkwo, H. Chen, H. de Waardt, A. M. J. Koonen. Time domain multiplexed spatial division multiplexing receiver. Opt. Express, 22, 12668-12677(2014).
[6] B. Huang, N. K. Fontaine, B. G. Roland Ryf, S. G. Leon-Saval, R. Shubochkin, R. L. Y. Sun, G. Li. All-fiber mode-group-selective photonic lantern using graded-index multimode fibers. Opt. Express, 23, 224-234(2015).
[7] T. A. Birks, I. Gris-Sánchez, S. Yerolatsitis, S. G. Leon-Saval, R. R. Thomson. The photonic lantern. Adv. Opt. Photon., 7, 107-167(2015).
[8] H. Chen, N. K. Fontaine, R. Ryf, J. C. Alvarado, J. van Weerdenburg, R. Amezcua-Correa, C. Okonkwo, T. Koonen. Optical crosstalk reduction using amplified spontaneous emission. Optical Fiber Communications Conference and Exposition (OFC), M4G.5(2018).
[9] T. Mitsui. Dynamic range of optical reflectometry with spectral interferometry. Jpn. J. Appl. Phys., 38, 6133-6137(1999).
[10] H. Maruyama, S. Inoue, T. Mitsuyama, M. Ohmi, M. Haruna. Low-coherence interferometer system for the simultaneous measurement of refractive index and thickness. Appl. Opt., 41, 1315-1322(2002).
[11] B. Wu, Z. Wang, Y. Tian, M. P. Fok, B. J. Shastri, D. R. Kanoff, P. R. Prucnal. Optical steganography based on amplified spontaneous emission noise. Opt. Express, 21, 2065-2071(2013).
[12] Y. Huang, H. Chen, H. Huang, Y. Song, Z. Li, N. K. Fontaine, R. Ryf, J. C. Alvarado, R. Amezcua-Correa, M. Wang. Mode-multiplexed transmission with crosstalk mitigation using amplified spontaneous emission (ASE). Conference on Lasers and Electro-Optics (CLEO), SM1G.2(2019).
[13] M. Marhic. Coherent optical CDMA networks. J. Lightwave Technol., 11, 854-864(1993).
[14] T. Hamanaka, X. Wang, N. Wada, A. Nishiki, K. Kitayama. Ten-user truly asynchronous gigabit OCDMA transmission experiment with a 511-chip SSFBG en/decoder. J. Lightwave Technol., 24, 95-102(2006).
[15] P. J. Winzer. Making spatial multiplexing a reality. Nat. Photonics, 8, 345-348(2014).
[16] D. G. Brennan. Linear diversity combining techniques. Proc. IRE, 47, 1075-1102(1959).
[17] B. J. Puttnam, J. Sakaguchi, J. M. D. Mendinueta, W. Klaus, Y. Awaji, N. Wada, A. Kanno, T. Kawanishi. Investigating self-homodyne coherent detection in a 19 channel space-division-multiplexed transmission link. Opt. Express, 21, 1561-1566(2013).
[18] Z. Wang, C. Xie. Automatic optical polarization demultiplexing for polarization division multiplexed signals. Opt. Express, 17, 3183-3189(2009).
[19] L. Grüner-Nielsen, Y. Sun, J. W. Nicholson, D. Jakobsen, K. G. Jespersen, J. R. Lingle, B. Pálsdóttir. Few mode transmission fiber with low DGD, low mode coupling, and low loss. J. Lightwave Technol., 30, 3693-3698(2012).
[20] M. B. Shemirani, J. M. Kahn. Higher-order modal dispersion in graded-index multimode fiber. J. Lightwave Technol., 27, 5461-5468(2009).
[21] D. Zhou, C. Sun, Y. Lai, Y. Yu, X. Zhang. Integrated silicon multifunctional mode-division multiplexing system. Opt. Express, 27, 10798-10805(2019).
[22] S. Wang, H. Wu, H. K. Tsang, D. Dai. Monolithically integrated reconfigurable add-drop multiplexer for mode-division-multiplexing systems. Opt. Lett., 41, 5298-5301(2016).
[23] L.-W. Luo, N. Ophir, C. P. Chen, L. H. Gabrielli, C. B. Poitras, K. Bergmen, M. Lipson. WDM-compatible mode-division multiplexing on a silicon chip. Nat. Commun., 5, 3069(2014).