Monolithic Four-Channel (QUAD) Integrated Widely Tunable Transmitter in Indium Phosphide

Kebort, Donald J.; Morrison, Gordon; Garrett, Henry E.; Campbell, Jenna; Estrella, Steven; Banholzer, Raphaella H.; Sherman, Jeffrey H.; Johansson, Leif; Renner, Daniel; Mashanovitch, Milan

doi:10.1109/jstqe.2017.2774205

Cited by 8 publications

(6 citation statements)

References 7 publications

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“…This is due to the nature of scaling parallel channels where the edge space increases linearly with channel count. The capacity density does vary among the chosen examples, where the device from [12] leads the metric due to the use of compact EAM modulators. This work exhibits the second largest capacity density value even though a low-complexity integration process is used.…”

Section: Discussionmentioning

confidence: 99%

“…The generic foundry model for photonic integration [8] has made the technology more accessible to everyone, resulting in open-access indium phosphide [9] and silicon material platforms [10]. Monolithic integration of laser arrays with modulators and passive components on indium phosphide is a mature and established technology that can realize largescale parallel transmitters on a single compact chip [11], [12] without the need for hybrid assembly with lasers, required for silicon photonics. Costs can be kept low through the generic foundry model where standardized processes are capable of producing high-capacity WDM transmitters [13].…”

Section: Introductionmentioning

confidence: 99%

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A 6 × 30 Gb/s Tunable Transmitter PIC With Low RF Crosstalk From an Open-Access InP Foundry

Yao

Smalbrugge

Smit

et al. 2019

IEEE J. Select. Topics Quantum Electron.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A 6 × 30 Gb/s Tunable Transmitter PIC With Low RF Crosstalk From an Open-Access InP Foundry

Yao

Smalbrugge

Smit

et al. 2019

IEEE J. Select. Topics Quantum Electron.

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“…On the other hand, it offers the benefit of low chirp, which is a limiting impairment in systems employing DMLs. In [225], the authors reported a transmitter based on the integration of four widely tunable EMLs on a InP substrate. Each generated beam passes through a semiconductor optical amplifier (SOA) and an external electro-absorption modulator at 10 Gbit/s in baseband operation [225].…”

Section: E Imwp-integrated Microwave Photonicsmentioning

confidence: 99%

Wireless and Optical Convergent Access Technologies Toward 6G

Filgueiras¹,

Lima

Cunha

et al. 2023

IEEE Access

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The sixth generation of mobile communication (6G) systems is recently rising a lot of interest, introducing new futuristic and challenging use cases that will demand much more than just communications to become a reality. Higher throughput, lower latencies, higher number of connections will push the requirement of the future mobile networks to a new level, but also sensing, positioning and imaging will play an important role in the new foreseen use cases. The integration of techniques developed for wireless communications with those conceived for optical links will be essential to provide the infrastructure for the 6G networks. In this context, this paper presents a review on wireless and optical convergent access solutions towards the 6G systems. The manuscript brings the use cases, requirements and enablers for 6G networks including a discussion about the state-of-the-art on THz and sub-THz communications, wireless and optical convergence, visible light communication, integrated and free-space optics, new antenna designs, powerover-fiber deployments and the use of machine learning in the physical layer of future networks. By reviewing the most relevant contributions available in the literature for wireless and optical communications and presenting their main contributions, this paper clearly shows that, more than a technological trend, the convergence of wireless and optical technologies is a fundamental step towards the development of the 6G network infrastructure.

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“…Therefore, different photonics integrated technologies [9]- [15] have been proposed to empower the A-RoF MFH links for targeting an ultracompact, cost-and energy-efficient solution. These efforts focus on the active monolithically integrated multi-wavelength transmitter or reconfigurable modulator [16]- [20], and passive photonic integrated devices (e.g., hybrid wavelength selective switches) [21]- [22]. In [17], a reconfigurable WDM-passive optical network (WDM-PON) based on an 8-channel directly modulated laser (DML) module has been proposed to demonstrate a 10-Gbit/s data transmission.…”

Section: Introductionmentioning

confidence: 99%

“…Subsequently, the multi-wavelength transmitter monolithically integrated 8channel distributed feedback (DFB) laser is proposed for achieving an 81.04-Gbit/s throughput 5G new radio (NR) A-RoF system [19]. An InP-based monolithic 4-channel widely tunable transmitter integrated with the DFB laser, semiconductor optical amplifier (SOA), and electro-absorbing modulator (EAM) has been designed and fabricated to support 410-Gbit/s mobile fronthauling [20]. A silicon-photonics photonic true time delay device [21] based on optical ring resonators is proposed for beamforming in 5G analog MFH.…”

Section: Introductionmentioning

confidence: 99%

Bidirectional WDM Multi-Nodes Analog Radio-Over-Fiber Mobile Fronthaul Link Enhanced by Photonic Integrated Devices

Xie

Bai

et al. 2022

IEEE Photonics J.

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A bidirectional wavelength division multiplexing (WDM) analog radio-over-fiber (A-RoF) mobile fronthaul (MFH) link is enhanced using photonic integrated devices. Two key photonic integrated devices are combined in the A-RoF link: an 8channel InP directly modulated laser (DML) transmitter and a 32100-GHz silicon array waveguide grating (AWG). The DML transmitter has 8 parallel monolithically integrated distributed feedback lasers, enabling cooperative and reconfigurable downlink analog transmission. Moreover, the 32100-GHz AWG is featured by low insertion loss (< 4.5-dB) and low crosstalk (< -20.4-dB), to achieve a high-density WDM system. In the distributed field experiments, we have successfully demonstrated a bidirectional A-RoF MFH over 10-km standard single mode fiber, providing an 85-Gbit/s 4-quadrature amplitude modulation (QAM) orthogonal frequency division modulation (OFDM) downlink transmission and a 312-Gbit/s 16-QAM uplink transmission.

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Monolithic Four-Channel (QUAD) Integrated Widely Tunable Transmitter in Indium Phosphide

Cited by 8 publications

References 7 publications

A 6 × 30 Gb/s Tunable Transmitter PIC With Low RF Crosstalk From an Open-Access InP Foundry

A 6 × 30 Gb/s Tunable Transmitter PIC With Low RF Crosstalk From an Open-Access InP Foundry

Wireless and Optical Convergent Access Technologies Toward 6G

Bidirectional WDM Multi-Nodes Analog Radio-Over-Fiber Mobile Fronthaul Link Enhanced by Photonic Integrated Devices

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