Excitation of vector modes in few-mode fiber using wire-based mechanical long period fiber grating

Pradhan, Prabin; Sengupta, Dipankar; Rehouma, Haythem; François, Véronique; Tremblay, Christine; Ung, Bora

doi:10.1109/pn.2015.7292470

Cited by 3 publications

(3 citation statements)

References 3 publications

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“…Mode conversion based on a mechanical grating for a MDM system operating at 1550 nm has been theoretically and experimentally proposed [10], [11]. The mechanical mode converter transforms the LP01 to LP11 by applying pressure into the fiber [11].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Mode Conversion for Mode Division Multiplexing at 850 nm in Standard SMF

García-Rodríguez

Corral

Llorente

2017

IEEE Photon. Technol. Lett.

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Section: Introductionmentioning

confidence: 99%

“…The mechanical mode converter transforms the LP01 to LP11 by applying pressure into the fiber [11]. This mechanical grating was designed to work at 1550 nm by selecting the appropriate grating period.…”

Section: Introductionmentioning

confidence: 99%

Mode Conversion for Mode Division Multiplexing at 850 nm in Standard SMF

García-Rodríguez

Corral

Llorente

2017

IEEE Photon. Technol. Lett.

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“…In the case of the asymmetrical couplers, the fabrication tolerances required by the asymmetric couplers are more difficult to fulfill than the equivalent tolerances for the symmetric device but, as a counterpart, the symmetrical couplers previously need a mode converter in order to convert the LP01 mode into LP11 mode. The use of a mode converter based on a mechanical grating at 1550 nm has been reported [GIL12], [PRA15]. Nevertheless, the main drawback is the use of a special fiber which increases the system cost.…”

Section: Mechanical Mode Convertermentioning

confidence: 99%

Few-Mode Transmission Technology for Ultra-High Capacity Optical Networks

Rodríguez¹

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Deseo expresar mi agradecimiento a los directores de este trabajo Roberto Llorente Sáez y Juan Luis Corral González. Sin su apoyo, esfuerzo y dedicación el desarrollo de esta tesis doctoral no hubiera sido posible. El camino se recorre más fácilmente cuando te señalan en la dirección correcta. También me gustaría dar las gracias a Maria Morant por sus consejos en aspectos técnicos así como la realización de los diferentes montajes experimentales. Y no me olvido de algunos de mis compañeros de trabajo que más me han apoyado durante la realización de esta tesis doctoral, Marina Riquelme, Irene Olivares, Andrea Zanzi, Sergio-Luis Carrasco y Eduardo Valero. Gracias a Marina Riquelme por sus innumerables consejos en aspectos profesionales y motivación durante toda la tesis, a Irene Olivares por sus rápidos consejos en Matlab y algunas correcciones de inglés, a Andrea Zanzi por sus bromas y risas, y finalmente a Sergio Carrasco y Eduardo Valero por sus risas durante las quedadas en los cumpleaños. Por último, me gustaría agradecer el apoyo de toda mi familia y amigos por la comprensión durante mi ausencia y trabajo todos estos años.

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The Brillouin gain of vector modes in a few-mode fiber

Pradhan

Sengupta

Wang

et al. 2017

Sci Rep

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In this work, we demonstrate the measurement of the Brillouin gain spectra of vector modes in a few-mode fiber for the first time using a simple heterodyne detection technique. A tunable long period fiber grating is used to selectively excite the vector modes supported by the few-mode fiber. Further, we demonstrate the non-destructive measurement of the absolute effective refractive indices (n eff) of vector modes with ~10−4 accuracy based on the acquired Brillouin frequency shifts of the modes. The proposed technique represents a new tool for probing and controlling vector modes as well as modes carrying orbital angular momentum in optical fibers with potential applications in advanced optical communications and multi-parameter fiber-optic sensing.

show abstract

Excitation of vector modes in few-mode fiber using wire-based mechanical long period fiber grating

Cited by 3 publications

References 3 publications

Mode Conversion for Mode Division Multiplexing at 850 nm in Standard SMF

Mode Conversion for Mode Division Multiplexing at 850 nm in Standard SMF

Few-Mode Transmission Technology for Ultra-High Capacity Optical Networks

The Brillouin gain of vector modes in a few-mode fiber

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