8 papers
Laser soliton microcombs on silicon
Chao Xiang, Junqiu Liu, Joel Guo +10
Silicon photonics enables wafer-scale integration of optical functionalities on chip. A silicon-based laser frequency combs could significantly expand the applications of silicon p…
Ultraprecise optical-frequency stabilization with heterogeneous III-V/Si lasers
Liron Stern, Wei Zhang, Lin Chang +8
Demand for low-noise, continuous-wave, frequency-tunable lasers based on semiconductor integrated photonics has been advancing in support of numerous applications. In particular, a…
Ultrahigh-Q AlGaAs-on-insulator microresonators for integrated nonlinear photonics
Weiqiang Xie, Lin Chang, Haowen Shu +4
Aluminum gallium arsenide (AlGaAs) and related III-V semiconductors have excellent optoelectronic properties. They also possess strong material nonlinearity as well as high refract…
Ultra-efficient frequency comb generation in AlGaAs-on-insulator microresonators
Lin Chang, Weiqiang Xie, Haowen Shu +13
Recent advances in nonlinear optics have revolutionized the area of integrated photonics, providing on-chip solutions to a wide range of new applications. Currently, the state of t…
On-chip polarization rotator for type I second harmonic generation
Eric J. Stanton, Lin Chang, Weiqiang Xie +12
We demonstrate a polarization rotator integrated at the output of a GaAs waveguide producing type I second harmonic generation (SHG). Form-birefringent phase matching between the p…
Improved second harmonic performance in periodically poled LNOI waveguides through engineering of lateral leakage
Andreas Boes, Lin Chang, Markus Knoerzer +4
In this contribution we investigate the impact of lateral leakage for linear and nonlinear optical waveguides in lithium niobate on insulator (LNOI). Silicon nitride (SiN) loaded a…