Performance evaluation of a compact 10-GHz pulse compressor based on a highly nonlinear Bismuth-Oxide fibre

Abstract

There are a variety of mode-locked lasers suitable for telecommunications applications capable of generating picosecond-long pulses at high repetition rates. Although the direct generation of even shorter pulses at such high rates is possible it is generally considered far easier to compress the pulses of mode-locked lasers when sub-picosecond pulses are required. However, this can lead to problems in terms of pulse synchronisation and stability as km scale lengths of dispersion shifted or highly nonlinear silica fibre are typically needed. In this paper, a pulse compressor operating at 10GHz is realized using just 2 meters of a connectorized Bismuth-Oxide highly-nonlinear fibre (Bi-HNLF). We further present the complete phase and intensity characterisation of the compressed pulses using a linear form of Frequency-Resolved Optical Gating (L-FROG) [1] based on a commercially available lithium niobate modulator.

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Identifiers

ORCID for P. Petropoulos: orcid.org/0000-0002-1576-8034

ORCID for D.J. Richardson: orcid.org/0000-0002-7751-1058

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