A Silicon Microring Optical 2 $\times$ 2 Switch Exploiting Orbital Angular Momentum for Interconnection Networks up to 20 Gbaud

Scaffardi, M.; Malik, M. N.; Lazzeri, Emma; Meloni, G.; Fresi, Francesco; Potì, L.; Andriolli, N.; Cerutti, Isabella; Klitis, Charalambos; Meriggi, Laura; Zhang, Ning; Sorel, Marc; Bogoni, Antonella

doi:10.1109/jlt.2016.2630271

Cited by 16 publications

(18 citation statements)

References 28 publications

(37 reference statements)

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“…The switch is suitable for signals modulated up to 20 Gbaud and the main contribution of this work is that, instead of using an SLM for switching between the OAM states, the switching component is implemented on a silicon-on-insulator chip exploiting microring, allowing fast change in the order of nano-seconds. By designing a novel gratings implemented on digital mircromirror device, authors in [175] achieved a fast data exchange and multicasting in 49 OAM channels with an aggregated transmission capacity of 1.37 Tbit/s, at a switching rate of 6.9 µs. In [176], a three layer OAM, polarization and wavelength switch architecture-based integrated concentric OAM emitters/modulators are demonstrated.…”

Section: F Optical Switching and Routingmentioning

confidence: 99%

Communicating Using Spatial Mode Multiplexing: Potentials, Challenges, and Perspectives

Trichili

Park

Zghal

et al. 2019

IEEE Commun. Surv. Tutorials

174

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Time, polarization, and wavelength multiplexing schemes have been used to satisfy the growing need of transmission capacity. Using space as a new dimension for communication systems has been recently suggested as a versatile technique to address future bandwidth issues. We review the potentials of harnessing the space as an additional degree of freedom for communication applications including free space optics, optical fiber installation, underwater wireless optical links, on-chip interconnects, data center indoor connections, radio frequency and acoustic communications. We focus on the orbital angular momentum (OAM) modes and equally identify the challenges related to each of the applications of spatial modes and the particular OAM modes in communication. We further discuss the perspectives of this emerging technology. Finally, we provide the open research directions and we discuss the practical deployment of OAM communication links for different applications. ). 4 in the future. We also summarize the open problems and the future research directions. A discussion of the practicability and cost of multi-OAM communication is also included. II. OAM POTENTIALS A. Free Space Optical CommunicationFSO is a license free wireless communication configuration that has recently received much interest for a variety of applications. FSO is an attractive solution for last mile connectivity problems, particularly for communication networks, when the installation of fiber optics is costly or not possible [66]. FSO can be also used to establish inter-building secure communication, and can be deployed as a backup to optical fibers. Wireless optical communication can guarantee a line-of-sight (LoS) high bit rate wireless transmission over long distances, up to several kilometers. Furthermore, FSO communication is considered as a promising technique to scale down bandwidth challenges in future 5G networks [67].Multiple wavelength FSO provides better transmission, as demonstrated in [68], [69]. Data can be mapped on advanced modulation formats to achieve high bit rates and high spectral efficiency levels [70]- [72]. Another option is multiple-input and multiple-output (MIMO) FSO communication in which multiple lasers are positioned to transmit Gaussian beams to multiple receiving apertures [73]. Over the last few years, it has been proven that it is possible to transmit information over spatially structured light beams [21], [74], [75] including OAM beams and plane waves. Our focus is on the OAM modes of light.The first PoC communication experiment incorporating OAMs in free space was carried out in 2004 by Gibson and co-workers [21]. Over a 15-meter long link, 8 -spaced values were chosen along the Gaussian beam as an alphabet for the communication. OAM beams were generated and detected using two light modulators. Since then, much progress has been made and free space transmission capacity of over 1 Tbit/s is, today, possible [76]- [78]. By performing three dimensional multiplexing, Huang and co-workers were able to attain a 100 Tbi...

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Section: F Optical Switching and Routingmentioning

confidence: 99%

Communicating Using Spatial Mode Multiplexing: Potentials, Challenges, and Perspectives

Trichili

Park

Zghal

et al. 2019

IEEE Commun. Surv. Tutorials

174

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“…Space, wavelength, and time are typically exploited as switching domains in multiplane architectures [2]. The orbital angular momentum (OAM) has been recently introduced as a novel multiplexing and switching domain, guaranteeing high flexibility and scalability at low power consumption through innovative photonic integrated devices [3]. OAM relies on optical beams with azimuthal varying phase term: OAM of different order are orthogonal, i.e.…”

Section: Introductionmentioning

confidence: 99%

Multiplane Orbital Angular Momentum and Wavelength Switch based on Integrated Tunable Vortex Emitters

Scaffardi

Andriolli

Malik

et al. 2018

Optical Fiber Communication Conference

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“…By exploiting simultaneously different multiplexing domains, further enhancing of the scalability and the total capacity can be obtained [3]. A two-layer orbital angular momentum (OAM) and wavelength based switch architecture has been presented in [4], based on a single and not tunable OAM emitter with multiple superimposed gratings. Here we present two novel architectures based on integrated concentric OAM emitters/modulators which can be independently tuned, thus making the interconnection network completely flexible over the two layers, i.e.…”

Section: Introductionmentioning

confidence: 99%

Two-layer interconnection network architectures based on integrated concentric orbital angular momentum emitters

Scaffardi

Zhang

Malik

et al. 2017

Advanced Photonics 2017 (IPR, NOMA, Sensors, Networks, SPPCom, PS)

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A Silicon Microring Optical 2 $\times$ 2 Switch Exploiting Orbital Angular Momentum for Interconnection Networks up to 20 Gbaud

Abstract: Scaffardi, M. et al. (2017) A silicon microring optical 2 × 2 switch exploiting orbital angular momentum for interconnection networks up to 20

Cited by 16 publications

References 28 publications

Communicating Using Spatial Mode Multiplexing: Potentials, Challenges, and Perspectives

Communicating Using Spatial Mode Multiplexing: Potentials, Challenges, and Perspectives

Multiplane Orbital Angular Momentum and Wavelength Switch based on Integrated Tunable Vortex Emitters

Two-layer interconnection network architectures based on integrated concentric orbital angular momentum emitters

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