期刊
OPTICS LETTERS
卷 45, 期 5, 页码 1124-1127出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.384317
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资金
- Defense Advanced Research Projects Agency [W31P4Q-15-1-0006, HR0011-16-C-0118]
- Air Force Office of Scientific Research [FA9550-15-1-0029]
- National Science Foundation [EFMA-1640959]
- Army Research Office [W911NF-14-1-0563]
Here, we report chi((3))-based optical parametric oscillation (OPO) with widely separated signal-idler frequencies from crystalline aluminum nitride microrings pumped at 2 mu m. By tailoring the width of the microring, OPO reaching toward the telecom and mid-infrared bands with a frequency separation of 64.2 THz is achieved. While dispersion engineering through changing the microring width is capable of shifting the OPO sideband by > 9 THz, the OPO frequency can also be agilely tuned in the ranges of 1 and 0.1 THz, respectively, by shifting the pump wavelength and controlling the chip's temperature. At high pump powers, the OPO sidebands further evolve into localized frequency comb lines. Such large-frequency-shift OPO with flexible wavelength tunability will lead to enhanced chip-scale light sources. (C) 2020 Optical Society of America
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