Synchronization of FEL Components with Fiber Laser Techniques

Sydlo, Cezary; Müller, Jost; Schlarb, H.

doi:10.1007/978-3-030-23201-6_80

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2022

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“…Nevertheless, for precise time and frequency distribution, the non-reciprocal and time dependant nature of PMD remains an issue. It has been observed in, e.g., femtosecond optical time transfer over 300 m [51] and in RF transfer over a 2-km link [21], over a 2x50-km link [52] and over an 86-km urban link [36,38]. In [53], it was concluded that PMD may become a considerable obstacle for ultra-long-haul fiber-optic time transfer.…”

Section: Introductionmentioning

confidence: 99%

Open-loop polarization mode dispersion mitigation for fibre-optic time and frequency transfer

Fordell

2022

Opt. Express

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The non-reciprocal and dynamic nature of polarization mode dispersion (PMD) in optical fibers can be a problem for accurate time and frequency transfer. Here a simple, passive solution is put forward that is based on transmitting optical pulses with alternating orthogonal polarization. The fast and deterministic polarization modulation means that the PMD noise is pushed far away from the frequencies of interest and upon reflection from a Faraday mirror at the receiver, the pulses have a well defined polarization when they return to the transmitter, which facilitates stable optical phase detection and fibre phase compensation. In an open-loop test setup that uses a mode-locked laser and a simple pulse interleaver, the polarization mode dispersion is shown to be reduced by more than two orders of magnitude.

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Section: Introductionmentioning

confidence: 99%

Open-loop polarization mode dispersion mitigation for fibre-optic time and frequency transfer

Fordell

2022

Opt. Express

View full text Add to dashboard Cite

show abstract

Synchronization of FEL Components with Fiber Laser Techniques

Cited by 1 publication

References 11 publications

Open-loop polarization mode dispersion mitigation for fibre-optic time and frequency transfer

Open-loop polarization mode dispersion mitigation for fibre-optic time and frequency transfer

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