Third-harmonic generation in CMOS-compatible highly doped silica micro-ring resonator

Yuhua Li; Shao Hao Wang; Yayuan Tian; Wai Lok Ho; Yangyang Li; Leiran Wang; Roy R. Davidson; Brent E. Little; Sai Tak Chu

doi:10.1364/OE.28.000641

Third-harmonic generation in CMOS-compatible highly doped silica micro-ring resonator

Yuhua Li
, Shao Hao Wang^*
, Yayuan Tian
, Wai Lok Ho
, Yangyang Li
, Leiran Wang
, Roy R. Davidson
, Brent E. Little
, Sai Tak Chu^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

14 Citations (Scopus)

64 Downloads (CityUHK Scholars)

Abstract

We present the first demonstration of visible emission from highly doped silica glass micro-ring resonators (MRRs) through a third-harmonic generation (THG) nonlinear process. We obtain green light conversion efficiency of 2.7×10⁻⁵ W⁻² in a MRR with loaded Q-factor of 1.4×10⁶ pumped in the telecom band. A thermal nonlinear model is developed to account for the in-cavity power dependence of the resonance detuning. Using the extracted thermal nonlinear coefficients, the measured TH resonance shift is calibrated by subtracting the thermal nonlinear-induced phase mismatch to obtain the theoretical threefold wavelength relationship along with the measured cubic power relationship.

Original language	English
Pages (from-to)	641-651
Journal	Optics Express
Volume	28
Issue number	1
Online published	3 Jan 2020
DOIs	https://doi.org/10.1364/OE.28.000641
Publication status	Published - 6 Jan 2020

Publisher's Copyright Statement

© 2020 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.

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title = "Third-harmonic generation in CMOS-compatible highly doped silica micro-ring resonator",

abstract = "We present the first demonstration of visible emission from highly doped silica glass micro-ring resonators (MRRs) through a third-harmonic generation (THG) nonlinear process. We obtain green light conversion efficiency of 2.7×10−5 W−2 in a MRR with loaded Q-factor of 1.4×106 pumped in the telecom band. A thermal nonlinear model is developed to account for the in-cavity power dependence of the resonance detuning. Using the extracted thermal nonlinear coefficients, the measured TH resonance shift is calibrated by subtracting the thermal nonlinear-induced phase mismatch to obtain the theoretical threefold wavelength relationship along with the measured cubic power relationship.",

author = "Yuhua Li and Wang, \{Shao Hao\} and Yayuan Tian and Ho, \{Wai Lok\} and Yangyang Li and Leiran Wang and Davidson, \{Roy R.\} and Little, \{Brent E.\} and Chu, \{Sai Tak\}",

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doi = "10.1364/OE.28.000641",

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AU - Li, Yuhua

AU - Wang, Shao Hao

AU - Tian, Yayuan

AU - Ho, Wai Lok

AU - Li, Yangyang

AU - Wang, Leiran

AU - Davidson, Roy R.

AU - Little, Brent E.

AU - Chu, Sai Tak

PY - 2020/1/6

Y1 - 2020/1/6

N2 - We present the first demonstration of visible emission from highly doped silica glass micro-ring resonators (MRRs) through a third-harmonic generation (THG) nonlinear process. We obtain green light conversion efficiency of 2.7×10−5 W−2 in a MRR with loaded Q-factor of 1.4×106 pumped in the telecom band. A thermal nonlinear model is developed to account for the in-cavity power dependence of the resonance detuning. Using the extracted thermal nonlinear coefficients, the measured TH resonance shift is calibrated by subtracting the thermal nonlinear-induced phase mismatch to obtain the theoretical threefold wavelength relationship along with the measured cubic power relationship.

AB - We present the first demonstration of visible emission from highly doped silica glass micro-ring resonators (MRRs) through a third-harmonic generation (THG) nonlinear process. We obtain green light conversion efficiency of 2.7×10−5 W−2 in a MRR with loaded Q-factor of 1.4×106 pumped in the telecom band. A thermal nonlinear model is developed to account for the in-cavity power dependence of the resonance detuning. Using the extracted thermal nonlinear coefficients, the measured TH resonance shift is calibrated by subtracting the thermal nonlinear-induced phase mismatch to obtain the theoretical threefold wavelength relationship along with the measured cubic power relationship.

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U2 - 10.1364/OE.28.000641

DO - 10.1364/OE.28.000641

M3 - RGC 21 - Publication in refereed journal

SN - 1094-4087

VL - 28

SP - 641

EP - 651

JO - Optics Express

JF - Optics Express

IS - 1

ER -

Third-harmonic generation in CMOS-compatible highly doped silica micro-ring resonator

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