期刊
OPTICA
卷 6, 期 10, 页码 1361-1366出版社
OPTICAL SOC AMER
DOI: 10.1364/OPTICA.6.001361
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资金
- Defense Advanced Research Projects Agency [HR0011-16-C-0118, W31P4Q-15-1-0006]
- Air Force Office of Scientific Research [FA9550-15-1-0029]
- Army Research Office [W911NF-14-1-0563]
- National Science Foundation [EFMA-1640959]
Optical parametric oscillators (OPOs) have been widely used for decades as tunable, narrow-linewidth, and coherent light sources for reaching long wavelengths and are attractive for applications such as quantum random number generation and Ising machines. To date, waveguide-based OPOs have suffered from relatively high thresholds on the order of hundreds of milliwatts. With the advance in integrated photonic techniques demonstrated by high-efficiency second-harmonic generation in aluminum nitride (AlN) photonic microring resonators, highly compact and nano-photonic implementation of parametric oscillation is feasible. Here we employ phase-matched AlN microring resonators to demonstrate low-threshold parametric oscillation in the telecom infrared band with an on-chip efficiency up to 17% and milliwatt-level output power. A broad phase-matching window is observed, enabling tunable generation of signal and idler pairs over a 180 nm bandwidth across the C band. This result establishes an important milestone in integrated nonlinear optics and paves the way towards chip-based quantum light sources and tunable, coherent radiation for spectroscopy and chemical sensing. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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