Wideband optical frequency comb generation using a fiber re-circulating loop cascaded with a spectrum expander including highly nonlinear fiber

• Autorzy: Wang F. , Kang W.

Identyfikatory

DOI

10.37190/oa210203

• Języki publikacji: EN

Abstrakty

EN

A wideband optical frequency comb (OFC) generator using a fiber re-circulating loop (FRL) including a phase modulator and optical amplifier, cascaded with a spectrum expander containing a high-power erbium-doped fiber amplifier and highly nonlinear fiber (HNLF) is proposed and experimentally demonstrated, in which the FRL is used as a source to generate seed comb lines, and then generated seed comb lines are extended to a wideband optical frequency comb using cascaded four-wave mixing in the HNLF. Only using one stage spectrum expander, a stable 20-GHz optical comb with 201 comb lines within 30-dB power deviation, spanning 40-nm bandwidth, is achieved. The results show that the HNLF has unique ability to broaden output spectrum from the FRL. In addition, an optical frequency comb is dramatically broadened, which may be predicted by optimizing gain and dispersion of the FRL or configuration of the spectrum expander, or both.

Słowa kluczowe

EN

optical frequency comb; highly nonlinear fibre; cascaded four-wave mixing

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2021
• Tom: Vol. 51, nr 2
• Strony: 181--191
• Opis fizyczny: Bibliogr. 14 poz., rys.

Twórcy

autor

Wang F.

• School of Physical Science and Technology, Southwest University, Chongqing 400715, China

autor

Kang W.

• Institute of Electrical and Electronic Engineering, Chongqing University of Technology, Chongqing 400054, China

Bibliografia

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