Conversion efficiency of soliton Kerr combs

Conversion efficiency of soliton Kerr combs

We investigate the conversion efficiency (CE) of soliton modelocked Kerr frequency combs. Our analysis reveals three distinct scaling regimes of CE with the cavity free spectral range (FSR), which depends on the relative contributions of the coupling and propagation loss to the total cavity loss. Ou...

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Veröffentlicht in:Optics letters 2021-08, Vol.46 (15), p.3657-3660
Hauptverfasser: Jang, Jae K., Okawachi, Yoshitomo, Zhao, Yun, Ji, Xingchen, Joshi, Chaitanya, Lipson, Michal, Gaeta, Alexander L.
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Coupling
Frequency analysis
Mathematical models
Solitary waves
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container_end_page 3660
container_issue 15
container_start_page 3657
container_title Optics letters
container_volume 46
creator Jang, Jae K.
Okawachi, Yoshitomo
Zhao, Yun
Ji, Xingchen
Joshi, Chaitanya
Lipson, Michal
Gaeta, Alexander L.
description We investigate the conversion efficiency (CE) of soliton modelocked Kerr frequency combs. Our analysis reveals three distinct scaling regimes of CE with the cavity free spectral range (FSR), which depends on the relative contributions of the coupling and propagation loss to the total cavity loss. Our measurements, for the case of critical coupling, verify our theoretical prediction over a range of FSRs and pump powers. Our numerical simulations also indicate that mode crossings have an adverse effect on the achievable CE. Our results indicate that microresonator combs operating with spacings in the electronically detectable regime are highly inefficient, which could have implications for integrated Kerr comb devices.
doi_str_mv 10.1364/OL.423654
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subjects Coupling
Frequency analysis
Mathematical models
Solitary waves
title Conversion efficiency of soliton Kerr combs
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