2.15 Pb/s transmission using a 22 core homogeneous single-mode multi-core fiber and wideband optical comb

Puttnam, Benjamin J.; Luís, Ruben S.; Klaus, Werner; Shen, Jun; Mendinueta, José Manuel Delgado; Awaji, Yoshinari; Wada, Naoya; Tamura, Yuichi; Hayashi, Tetsuya; Hirano, Minoru; Marciante, John R.

doi:10.1109/ecoc.2015.7341685

Cited by 231 publications

(137 citation statements)

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“…Taken together, the results prove the significant potential of these sources to replace arrays of continuous-wave lasers in high-speed communications. In combination with advanced spatial multiplexing schemes [7,8] and highly integrated silicon photonic circuits [9], DKS combs may bring chip-scale petabit/s transceivers into reach.The first observation of solitons in optical fibers [2] in 1980 was immediately followed by major research efforts to harness such waveforms for long-haul communications [1]. In these schemes, data was encoded on soliton pulses by simple amplitude modulation using on-off-keying (OOK).…”

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confidence: 99%

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confidence: 99%

“…More recently, frequency combs were demonstrated to hold promise for revolutionizing high-speed optical communications, offering tens or even hundreds of well-defined narrowband optical carriers for massively parallel WDM [8,11,12]. Unlike carriers derived from a bank of individual laser modules, the tones of a comb are intrinsically equidistant in frequency, thereby eliminating the need for individual wavelength control and for inter-channel guard bands [8,12]. In addition, when derived from the same comb source, stochastic frequency variations of optical carriers are strongly correlated, permitting efficient compensation of impairments caused by nonlinearities of the transmission fiber [13].…”

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confidence: 99%

“…In recent years, a wide variety of chip-scale comb generators have been demonstrated [14,15], enabling transmission of WDM data streams with line rates [16] of up to 12 Tbit/s. Transmission at higher line rates however, requires more carriers and lower noise levels, and still relies on spectral broadening of narrowband seed combs using dedicated optical fibers [8,11,12] or nanophotonic waveguides [17]. In addition, generating uniform combs with a broadband spectral envelope often requires delicate dispersion management schemes, usually in combination with intermediate amplifiers [11].…”

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confidence: 99%

“…Consequently, soliton-based communication schemes have moved out of focus over the last two decades. More recently, frequency combs were demonstrated to hold promise for revolutionizing high-speed optical communications, offering tens or even hundreds of well-defined narrowband optical carriers for massively parallel WDM [8,11,12]. Unlike carriers derived from a bank of individual laser modules, the tones of a comb are intrinsically equidistant in frequency, thereby eliminating the need for individual wavelength control and for inter-channel guard bands [8,12].…”

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Microresonator-based solitons for massively parallel coherent optical communications

Marin-Palomo

Kemal

Karpov

et al. 2017

Nature

1,014

713

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Optical solitons are waveforms that preserve their shape while propagating, relying on a balance of dispersion and nonlinearity [1,2]. Soliton-based data transmission schemes were investigated in the 1980s, promising to overcome the limitations imposed by dispersion of optical fibers. These approaches, however, were eventually abandoned in favor of wavelength-division multiplexing (WDM) schemes that are easier to implement and offer improved scalability to higher data rates. Here, we show that solitons may experience a comeback in optical communications, this time not as a competitor, but as a key element of massively parallel WDM. Instead of encoding data on the soliton itself, we exploit continuously circulating dissipative Kerr solitons (DKS) in a microresonator [3,4]. DKS are generated in an integrated silicon nitride microresonator [5] by four-photon interactions mediated by Kerr nonlinearity, leading to low-noise, spectrally smooth and broadband optical frequency combs [6]. In our experiments, we use two interleaved soliton Kerr combs to trans-mit a data stream of more than 50 Tbit/s on a total of 179 individual optical carriers that span the entire telecommunication C and L bands. Equally important, we demonstrate coherent detection of a WDM data stream by using a pair of microresonator Kerr soliton combs one as a multi-wavelength light source at the transmitter, and another one as a corresponding local oscillator (LO) at the receiver. This approach exploits the scalability advantages of microresonator soliton comb sources for massively parallel optical communications both at the transmitter and receiver side. Taken together, the results prove the significant potential of these sources to replace arrays of continuous-wave lasers in high-speed communications. In combination with advanced spatial multiplexing schemes [7,8] and highly integrated silicon photonic circuits [9], DKS combs may bring chip-scale petabit/s transceivers into reach.The first observation of solitons in optical fibers [2] in 1980 was immediately followed by major research efforts to harness such waveforms for long-haul communications [1]. In these schemes, data was encoded on soliton pulses by simple amplitude modulation using on-off-keying (OOK). However, even though the viability of the approach was experimentally demonstrated by transmission over one million kilometres [10], the vision of soliton-based communications was ultimately hindered by difficulties in achieving shape-preserving propagation in real transmission systems [1] and by the fact that nonlinear interactions intrinsically prevent dense packing of soliton pulses in either the time or frequency domain. Moreover, with the advent of wavelength-division multiplexing (WDM), line rates in long-haul communication systems could be increased by rather simple parallel transmission of data streams with lower symbol rates, which are less dispersion sensitive. Consequently, soliton-based communication schemes have moved out of focus over the last two decades. More recently, frequ...

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Microresonator-based solitons for massively parallel coherent optical communications

Marin-Palomo

Kemal

Karpov

et al. 2017

Nature

1,014

713

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Devices and Technologies for Tbit s⁻¹Communication and Beyond

Alkhazraji

Ragheb

Tareq

et al. 2021

Digital Encyclopedia of Applied Physics

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Terabits‐per‐second communication networks have become a necessity of modern society owing to the surge in internet users and high‐demanding applications. This has exerted pressure on the existing optical networks to meet these data rate requirements by upgrading their optical‐fiber communication‐based architectures. This goal could be achieved by exploring two different approaches: system‐level and device‐level approaches. In the system‐level approach, various advances in optical communication algorithms and techniques, namely, sophisticated modulation schemes and multiplexing techniques, are discussed. Moreover, a concrete qualitative background about these technologies is provided. On the other hand, in the device‐level approach, the focus is then shifted toward optical transmitter sources, which are primarily semiconductor laser diodes. In this case, the basic principle of operation and structure of laser diodes are discussed at a fundamental level while highlighting the recent advancements in a quantum‐confined nanostructure‐based semiconductor laser. In particular, the realization of single‐mode lasers and a new class of broadband lasers, which enabled terabits‐per‐second green communication, are discussed. Finally, some recent advances employing these approaches (i.e. system and device) are concisely highlighted enabling terabits‐per‐second optical communications.

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Towards a Converged Optical‐Wireless Fronthaul/Backhaul Solution for 5G Networks and Beyond

Alimi

Muga

Abdalla

et al. 2019

Optical and Wireless Convergence for 5G Networks

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2.15 Pb/s transmission using a 22 core homogeneous single-mode multi-core fiber and wideband optical comb

Cited by 231 publications

References 8 publications

Microresonator-based solitons for massively parallel coherent optical communications

Microresonator-based solitons for massively parallel coherent optical communications

Devices and Technologies for Tbit s⁻¹Communication and Beyond

Towards a Converged Optical‐Wireless Fronthaul/Backhaul Solution for 5G Networks and Beyond

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2.15 Pb/s transmission using a 22 core homogeneous single-mode multi-core fiber and wideband optical comb

Cited by 231 publications

References 8 publications

Microresonator-based solitons for massively parallel coherent optical communications

Microresonator-based solitons for massively parallel coherent optical communications

Devices and Technologies for Tbit s−1Communication and Beyond

Towards a Converged Optical‐Wireless Fronthaul/Backhaul Solution for 5G Networks and Beyond

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Devices and Technologies for Tbit s⁻¹Communication and Beyond