Widely separated optical Kerr parametric oscillation in AlN microrings
Abstract
Here, we report χ ( 3 ) -based optical parametric oscillation (OPO) with widely separated signal–idler frequencies from crystalline aluminum nitride microrings pumped at 2 µ 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 T H z , 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.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Feb 19, 2020
- Source ID
- 10.1364/ol.384317
Entities
People
- Hong X Tang
- Xianwen Liu
- Yulong Tang
- Zheng Gong
Organizations
- Air Force Office of Scientific Research
- Army Research Office
- Defense Advanced Research Projects Agency
- National Science Foundation