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Conversion efficiency of soliton Kerr combs

Journal Article · · Optics Letters
DOI:https://doi.org/10.1364/OL.423654· OSTI ID:1810207

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.

Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Grant/Contract Number:
AR0000843
OSTI ID:
1810207
Journal Information:
Optics Letters, Journal Name: Optics Letters Journal Issue: 15 Vol. 46; ISSN 0146-9592; ISSN OPLEDP
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English

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