Ultrahigh Count Coherent WDM Channels Transmission Using Optical Parametric Comb-Based Frequency Synthesizer

Ataie, Vahid; Temprana, Eduardo; Liu, Lan; Myslivets, Evgeny; Kuo, Bill P.-P.; Alić, N.; Radic, S.

doi:10.1109/jlt.2015.2388579

Cited by 85 publications

(47 citation statements)

References 16 publications

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“…The suitability of parametric combs for superchannel and flex-grid transmitters was presented, by demonstrating dynamic re-configuration of comb carrier spacing (6.25 GHz to 100 GHz) for a 16QAM transmitter, with less than 0.5 dB Q-factor penalty [156]. An ultra-dense and wideband parametric comb, further increasing the number of lines to 1800, with 6.25 GHz spacing and 3 dB spectral flatness over 100 nm (C + L band), was also demonstrated [144].…”

Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 96%

“…seen as a spectral comb [144]. The comb spectral envelope is defined by the Fourier transform of the pulse shape, G( f ), and the comb pitch i.e.…”

Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 99%

“…This results in the generation of a wide frequency comb. Such nonlinear interaction is also referred to as the parametric process, because no change in material energy levels occurs during the process [144]. The efficient generation of the new frequency tones is dependent on the simultaneous fulfillment of two conditions: 1) high aggregate nonlinear figure of merit (FoM) 2)…”

Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 99%

“…Wide-band phase matching is essential to maintain a high FoM, because not only are the optical pulses with high peak power required, but also the peak power of the pulses should remain high, while propagating inside the nonlinear material. For example, material dispersion can cause early pulse destruction leading to a significant reduction of the FoM [144].…”

Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 99%

“…Transceiver and Network flexibility [66], [108], [53], [125], [39], [156], [203] 3 Comb enabled Terabit transmission [71], [72], [144], [170], [181], [195], [196], [225], [253] 4 Field trials [120], [121] VI. OFC DE-MULTIPLEXING/ FILTERING TECHNIQUES…”

Section: C-bandmentioning

confidence: 99%

See 4 more Smart Citations

A Survey of Optical Carrier Generation Techniques for Terabit Capacity Elastic Optical Networks

Imran

Anandarajah

Kaszubowska-Anandarajah

et al. 2018

IEEE Commun. Surv. Tutorials

107

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Abstract-Elastic optical networks (EON) have been proposed to meet the network capacity and dynamicity challenges. Hardware and software resource optimization and re-configurability are key enablers for EONs. Recently, innovative multi-carrier transmission techniques have been extensively investigated to realize high capacity (Tb/s) flexible transceivers. In addition to standard telecommunication lasers, optical carrier generators based on optical frequency combs (OFC) have also been considered with expectations of reduced cost and inventory, improved spectral efficiency and flexibility. A wide range of OFC generation techniques have been proposed in the literature over the past few years. It is imperative to summarize the state of the art, compare and assess these diverse techniques from a practical perspective. In this survey, we identify salient features of optical multicarrier generators, review and compare these techniques both from a physical and network layer perspective. OFC demultiplexing/filtering techniques have also been reviewed. In addition to transmission performance, the impact of such sources on the network performance and real-world deployment strategies with reference to cost, power consumption, and level of flexibility have also been discussed. Field trials, integrated solutions, flexibility demonstrations are also reported. Finally, open issues and possible future directions that can lead to real network deployment are highlighted.

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Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 96%

“…seen as a spectral comb [144]. The comb spectral envelope is defined by the Fourier transform of the pulse shape, G( f ), and the comb pitch i.e.…”

Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 99%

Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 99%

Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 99%

Section: C-bandmentioning

confidence: 99%

See 3 more Smart Citations

A Survey of Optical Carrier Generation Techniques for Terabit Capacity Elastic Optical Networks

Imran

Anandarajah

Kaszubowska-Anandarajah

et al. 2018

IEEE Commun. Surv. Tutorials

107

View full text Add to dashboard Cite

show abstract

Arbitrary Energy‐Preserving Control of Optical Pulse Trains and Frequency Combs through Generalized Talbot Effects

Cortés

Maram

Chatellus

et al. 2019

Laser & Photonics Reviews

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Trains of optical pulses and optical‐frequency combs are periodic waveforms with deep implications for a wide range of scientific disciplines and technological applications. Recently, phase‐only signal‐processing techniques based upon the theory of Talbot self‐imaging have been demonstrated as simple and practical means for user‐defined periodicity control of optical pulse trains and combs. The resulting schemes implement a desired repetition period control without introducing any noise or distortion, while ideally preserving the entire energy content of the signal. Here, recent developments on phase‐only signal‐processing schemes for periodicity control based on temporal and spectral self‐imaging are reviewed. As a central contribution, a comprehensive theory of generalized Talbot self‐imaging, so called phase‐controlled Talbot effect, is presented, comprising all the different approaches proposed to date. In particular, a closed unified mathematical framework for the design of the spectral and temporal phase manipulations that enable full arbitrary control of the period of repetitive signals is developed. The reported numerical studies fully validate the presented theoretical framework and shed light on crucial aspects of the proposed methods, consistently with previously reported experimental results. Important considerations concerning the practical, real‐world implementation of the described schemes, according to the needed specifications for different applications, are also discussed.

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Silicon Photonics Optical Frequency Synthesizer

Singh

Xin

et al. 2020

Laser & Photonics Reviews

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The knowledge of the exact frequency of an optical source has always been one of the ultimate goals in optics. Since the discovery of the laser, complex systems have been developed to address this challenge. That effort reached a significant milestone with the advent of the femtosecond laser frequency comb that reduced the system size from an entire lab down to the bench‐top. That spurred interest in the development of integrated optical frequency synthesizers that can generate precisely different optical frequencies on demand and can be deployed widely. In this work, such an optical frequency synthesizer using supercontinuum waveguide and second harmonic generator on silicon photonics platform is demonstrated. Integrated silicon photonics based tunable continuous wave laser is phase‐locked to a microwave reference, to synthesize absolute optical frequencies in the telecom band. A relative frequency instability of 1 × 10−12 at 1 s level is achieved by utilizing an integrated self‐referencing scheme that exploits the strong 3rd order and electric‐field‐induced 2nd order nonlinearities of silicon waveguides. With this work, an all on‐chip silicon photonics based frequency synthesizer seems promising for mass production of next generation broad‐band coherent optical communication systems, spectroscopic, detection, and ranging systems and future integrated quantum systems with Hz‐level precision.

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Ultrahigh Count Coherent WDM Channels Transmission Using Optical Parametric Comb-Based Frequency Synthesizer

Cited by 85 publications

References 16 publications

A Survey of Optical Carrier Generation Techniques for Terabit Capacity Elastic Optical Networks

A Survey of Optical Carrier Generation Techniques for Terabit Capacity Elastic Optical Networks

Arbitrary Energy‐Preserving Control of Optical Pulse Trains and Frequency Combs through Generalized Talbot Effects

Silicon Photonics Optical Frequency Synthesizer

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