Generation of 2 THz Span Optical Comb in a Tunable Fiber Ring Based Optical Frequency Comb Generator

Shen, Pengbo; Gomes, Nathan J.; Davies, P.A.; Shillue, Bill

doi:10.1109/mwp.2007.4378132

Cited by 10 publications

(8 citation statements)

References 9 publications

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“…Later, frequency domain analysis was provided to understand the effects of fiber dispersion, the non-flat gain profiles, and the RF mismatch. OFCs having a 1 THz (100 lines, 6 dB flatness) and 2 THz (200 lines, 10 dB flatness) spectral bandwidth were reported in [167], [168]. The authors also demonstrated frequency spacing tuning from 6 GHz to 12.5 GHz in 12.5 MHz steps, while maintaining the spectral profile.…”

Section: A Electro-optic Optical Frequency Comb Generatorsmentioning

confidence: 96%

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%

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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“…Experimentalmente se ha demostrado [4], [15], que la generación de peines basados en anillo de fibra óptica tienen gran ancho de banda (> 1THz) y pueden ser sintonizables en cuanto al espaciamiento entre modos en pasos de MHz [17], insertando en el interior del anillo una línea de retardo óptico ajustable (delay line) que permite una fina sintonización de la longitud de la cavidad. Sin embargo, sus desventajas son que se trata de estructuras discretas de grandes dimensiones, la longitud de la fibra que se necesita es larga (decenas de metros [6]) y las variaciones térmicas existentes que influyen en los dispositivos.…”

Section: B Peines De Frecuencias óPticas Mediante Moduladores En Anunclassified

“…En la tabla 1 se presentan los parámetros de peines ópticos medidos en diversas estructuras con moduladores en anillo recirculante. Podemos observar que para el caso de anillos con fibra óptica se logran grandes anchos de banda (16 nm @-10 dB [17].…”

Section: Output Inputunclassified

On-chip Optical Frequency Comb Generator, with Electro-Optic Modulators

Carrera¹,

Gordón²,

Guzmán³

et al. 2019

Opt. Pura Apl.

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We present the results of the photonic integrated circuit measurements in order to implement an optical frequency comb generator (OFCG) based on a recirculating ring using electro-optic phase modulators (EOPM). The design is established on the functional blocks of the OCLARO Tech generic integration platform. The optical comb produces multiple wavelengths, equally spaced by the input RF frequency provided by an external synthesizer from a seed wavelength. This λ seed can be of external or internal (on-chip) character, by means of a DBR (Distributed Bragg Reflector) single mode laser in order to develop a fully integrated OFCG. This structure is compact and small (6 x 2 mm), whose elements are interconnected with InP waveguides that replaces the optical fiber, avoiding thermal variations that affect the generated signal. For our knowledge, this is the first time that measurements are made on this type of structures.

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“…Several techniques have been developed over recent years and compact sources are now available [13][14][15][16], either fiber or semiconductor based. For example, a system based on the fiber recirculating loop can offer over a hundred highly coherent lines, which are equally spaced in frequency, as determined by an external synthesizer.…”

Section: Current Component Performancementioning

confidence: 99%

“…The best performing OFCG of that type, as proposed in [17], should offer up to 10 THz in span, using parametric methods, with several mW of total output power, while short pulse mode locked lasers have achieved similar performances. Compact sources have achieved up to 2 THz span [13] with similar power. Current performance is therefore close to what will be needed for the system, as only a few mW will be required to lock the slave lasers and a span of 5THz will be sufficient to access most applications.…”

Section: Current Component Performancementioning

confidence: 99%

Coherent terahertz photonics

Seeds¹,

Fice²,

Bałakier³

et al. 2013

Opt. Express

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Abstract:We present a review of recent developments in THz coherent systems based on photonic local oscillators. We show that such techniques can enable the creation of highly coherent, thus highly sensitive, systems for frequencies ranging from 100 GHz to 5 THz, within an energy efficient integrated platform. We suggest that such systems could enable the THz spectrum to realize its full applications potential. To demonstrate how photonics-enabled THz systems can be realized, we review the performance of key components, show recent demonstrations of integrated platforms, and give examples of applications. References and links1. A. G. Davies and E. H. Linfield, eds., "Special Supplement: THz Technology," Electron. Lett. 46(26), (2010). 2. S. J. Savory, "Digital filters for coherent optical receivers," Opt. Express 16(2), 804-817 (2008). 3. H. Eisele, "480GHz oscillator with an InP Gunn device," Electron. Lett. 46(6), 422-423 (2010). 4. L. Moeller, J. Federici, and K. Su, "THz wireless communications: 2.5 Gb/s error-free transmission at 625 GHz using a narrow-bandwidth 1 mW THz source," XXXth URSI General Assembly and Scientific Symposium (2011). 5. C. C. Renaud, M. Robertson, D. Rogers, R. Firth, P. J. Cannard, R. Moore, and A. J. Seeds, "A high responsivity, broadband waveguide uni-travelling carrier photodiode," Proc. SPIE 61940, 61940C, 61940C-8 (2006

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Generation of 2 THz Span Optical Comb in a Tunable Fiber Ring Based Optical Frequency Comb Generator

Abstract: Abstract-

Cited by 10 publications

References 9 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

On-chip Optical Frequency Comb Generator, with Electro-Optic Modulators

Coherent terahertz photonics

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