Publications (21)
Tailoring microcombs with inverse-designed, meta-dispersion microresonators
Erwan Lucas, Su-Peng Yu, Travis C. Briles +2
Nonlinear-wave mixing in optical microresonators offers new perspectives to generate compact optical-frequency microcombs, which enable an ever-growing number of applications. Micr…
A Photonic Crystal Receiver for Rydberg Atom-Based Sensing
Hadi Amarloo, Mohammad Noaman, Su-Peng Yu +5
Rydberg atom-based sensors use atoms dressed by lasers to detect and measure radio frequency electromagnetic fields. The absorptive properties of the atomic gas, configured as a Ry…
Hybrid InP and SiN integration of an octave-spanning frequency comb
Travis C. Briles, Su-Peng Yu, Lin Chang +7
Implementing optical-frequency combs with integrated photonics will enable wider use of precision timing signals.Here, we explore the generation of an octave-span, Kerr-microresona…
Induced Directional Switching of Platicon Microcombs in Photonic Crystal Ring Resonators
Erwan Lucas, Su-Peng Yu, Jizhao Zang +1
Microcombs in normal-dispersion photonic crystal ring resonators (PhCRs) are a versatile building block for next-generation integrated photonic circuits, yet they inherently suffer…
Laser-power consumption of soliton formation in a bidirectional Kerr resonator
Jizhao Zang, Su-Peng Yu, Haixin Liu +4
Laser sources power extreme data transmission as well as computing acceleration, access to ultrahigh-speed signaling, and sensing for chemicals, distance, and pattern recognition.…
Probing material absorption and optical nonlinearity of integrated photonic materials
Maodong Gao, Qi-Fan Yang, Qing-Xin Ji +12
Optical microresonators with high quality () factors are essential to a wide range of integrated photonic devices. Steady efforts have been directed towards increasing microreso…
Group-velocity dispersion engineering of tantala integrated photonics
Jennifer A. Black, Richelle Streater, Kieran F. Lamee +3
Designing integrated photonics, especially to leverage Kerr-nonlinear optics, requires accurate and precise knowledge of refractive index across the visible to infrared spectral ra…
Tantala Kerr-nonlinear integrated photonics
Hojoong Jung, Su-Peng Yu, David R. Carlson +3
Integrated photonics plays a central role in modern science and technology, enabling experiments from nonlinear science to quantum information, ultraprecise measurements and sensin…
Efficient telecom-to-visible spectral translation through ultra-low power nonlinear nanophotonics
Xiyuan Lu, Gregory Moille, Qing Li +7
The ability to spectrally translate lightwave signals in a compact, low-power platform is at the heart of the promise of nonlinear nanophotonic technologies. For example, a device…
Optical synthesis by spectral translation
Jennifer A. Black, Zachary L. Newman, Su-Peng Yu +2
Optical-frequency synthesizers are lasers stabilized and programmed from a microwave clock for applications, especially in fundamental measurements and spectroscopy, optical-commun…
Photonic-crystal-reflector nano-resonators for Kerr-frequency combs
Su-Peng Yu, Hojoong Jung, Travis C. Briles +2
We demonstrate Kerr-frequency-comb generation with nanofabricated Fabry-Perot resonators with photonic-crystal-reflector (PCR) end mirrors. The PCR group-velocity-dispersion (GVD)…
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…
Milliwatt-threshold visible-telecom optical parametric oscillation using silicon nanophotonics
Xiyuan Lu, Gregory Moille, Anshuman Singh +8
The on-chip creation of coherent light at visible wavelengths is crucial to field-level deployment of spectroscopy and metrology systems. Although on-chip lasers have been implemen…
Tuning Kerr-Soliton Frequency Combs to Atomic Resonances
Su-Peng Yu, Travis C. Briles, Gregory T. Moille +4
Frequency combs based on nonlinear-optical phenomena in integrated photonics are a versatile light source that can explore new applications, including frequency metrology, optical…
Spontaneous Pulse Formation in Edge-Less Photonic Crystal Resonators
Su-Peng Yu, Daniel C. Cole, Hojoong Jung +3
Complex systems are a proving ground for fundamental interactions between components and their collective emergent phenomena. Through intricate design, integrated photonics offers…
A continuum of bright and dark pulse states in a photonic-crystal resonator
Su-Peng Yu, Erwan Lucas, Jizhao Zang +1
Nonlinearity is a powerful determinant of physical systems. Controlling nonlinearity leads to interesting states of matter and new applications. In optics, diverse families of cont…
Tunable lasers with optical-parametric oscillation in photonic-crystal resonators
Jennifer A. Black, Grant Brodnik, Haixin Liu +5
By design access to laser wavelength, especially with integrated photonics, is critical to advance quantum sensors like optical clocks and quantum-information systems, and open opp…
Micro-Electro-Mechanical System Vapor Cells With Passivated Internal Cavities
Rajesh Pandiyan, Sanyasi Bobbara, Somayeh Mirzaee +5
Micro-Electro-Mechanical, so called 'MEMs,' vapor cells are a key component in atom-based quantum sensors, such as clocks, gyroscopes, electric field sensors and magnetometers. MEM…
Generating octave-bandwidth soliton frequency combs with compact, low-power semiconductor lasers
Travis C. Briles, Su-Peng Yu, Tara E. Drake +2
We report a comprehensive study of low-power, octave-bandwidth, single-soliton microresonator frequency combs in both the 1550 nm and 1064 nm bands. Our experiments utilize fully i…
Broadband Resonator-Waveguide Coupling for Efficient Extraction of Octave Spanning Microcombs
Gregory Moille, Qing Li, Travis C. Briles +7
Frequency combs spanning over an octave have been successfully demonstrated in Kerr nonlinear microresonators on-chip. These micro-combs rely on both engineered dispersion, to enab…
Two-Dimensional Photonic Crystals for Engineering Atom-Light Interactions
Su-Peng Yu, Juan A. Muniz, Chen-Lung Hung +1
We present a two-dimensional (2D) photonic crystal system for interacting with cold cesium (Cs) atoms. The band structures of the 2D photonic crystals are predicted to produce unco…