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Title: Precise electron beam-based target-wavelength trimming for frequency conversion in integrated photonic resonators

Journal Article · · Optics Express
DOI: https://doi.org/10.1364/OE.446244 · OSTI ID:1845362

We demonstrate post-fabrication target-wavelength trimming with a gallium phosphide on a silicon nitride integrated photonic platform using controlled electron-beam exposure of hydrogen silsesquioxane cladding. A linear relationship between the electron-beam exposure dose and resonant wavelength red-shift enables deterministic, individual trimming of multiple devices on the same chip to within 30 pm of a single target wavelength. Second harmonic generation from telecom to near infrared at a target wavelength is shown in multiple devices with quality factors on the order of 10 4 . Post-fabrication tuning is an essential tool for targeted wavelength applications including quantum frequency conversion.

Sponsoring Organization:
USDOE
OSTI ID:
1845362
Journal Information:
Optics Express, Journal Name: Optics Express Journal Issue: 5 Vol. 30; ISSN 1094-4087; ISSN OPEXFF
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English

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  • Choi, Sookyung; Word, Michael J.; Kumar, Vipan
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