641 citations · 2.7k across the 16 of their papers we have counts for
17 papers
Measurements and modeling of atomic-scale sidewall roughness and losses in integrated photonic devices
Samantha Roberts, Xingchen Ji, Jaime Cardenas +2
Atomic-level imperfections play an increasingly critical role in nanophotonic device performance. However, it remains challenging to accurately characterize the sidewall roughness…
Enhanced on-chip frequency measurement using weak value amplification
John Steinmetz, Kevin Lyons, Meiting Song +2
We present an integrated design to precisely measure optical frequency using weak value amplification with a multi-mode interferometer. The technique involves introducing a weak pe…
Fiber to Chip Fusion Splicing for Robust, Low Loss Photonic Packaging
Juniyali Nauriyal, Meiting Song, Raymond Yu +1
Silicon photonic devices are poised to enter high volume markets such as data-communications, telecommunications, biological sensing, and optical phased arrays; however, permanentl…
A Reconfigurable Nanophotonics Platform for Sub-Millisecond, Deep Brain Neural Stimulation
Aseema Mohanty, Qian Li, Mohammad Amin Tadayon +7
Nanophotonics provides the ability to rapidly and precisely reconfigure light beams on a compact platform. Infrared nanophotonic devices are widely used in data communications to o…
Coherent, directional supercontinuum via cascaded dispersive wave generation
Yoshitomo Okawachi, Mengjie Yu, Jaime Cardenas +3
We demonstrate a novel approach to producing coherent, directional supercontinuum via cascaded dispersive wave generation. By pumping in the normal group-velocity dispersion regime…
Low-Loss Silicon Platform for Broadband Mid-Infrared Photonics
Steven A. Miller, Mengjie Yu, Xingchen Ji +4
Broadband mid-infrared (mid-IR) spectroscopy applications could greatly benefit from today's well-developed, highly scalable silicon photonics technology; however, this platform la…
On-chip dual comb source for spectroscopy
Avik Dutt, Chaitanya Joshi, Xingchen Ji +5
Dual-comb spectroscopy is a powerful technique for real-time, broadband optical sampling of molecular spectra which requires no moving components. Recent developments with microres…
Breaking the Loss Limitation of On-chip High-confinement Resonators
Xingchen Ji, Felippe A. S. Barbosa, Samantha P. Roberts +6
On-chip optical resonators have the promise of revolutionizing numerous fields including metrology and sensing; however, their optical losses have always lagged behind their larger…
Raman-assisted coherent, mid-infrared frequency combs in silicon microresonators
Austin G. Griffith, Mengjie Yu, Yoshitomo Okawachi +4
We demonstrate the first low-noise mid-IR frequency comb source using a silicon microresonator. Our observation of strong Raman scattering lines in the generated comb suggests that…
Tunable Squeezing Using Coupled Ring Resonators on a Silicon Nitride Chip
Avik Dutt, Steven Miller, Kevin Luke +4
We demonstrate continuous tuning of the squeezing level generated in a double-ring optical parametric oscillator by externally controlling the coupling condition using electrically…
Synchronization and Phase Noise Reduction in Micromechanical Oscillators Arrays Coupled through Light
Mian Zhang, Shreyas Shah, Jaime Cardenas +1
Synchronization of many coupled oscillators is widely found in nature and has the potential to revolutionize timing technologies. Here we demonstrate synchronization in arrays of s…
Integrated switch for simultaneous mode-division multiplexing (MDM) and wavelength-division multiplexing (WDM)
Brian Stern, Xiaoliang Zhu, Christine P. Chen +4
Leveraging the spatial modes of multimode waveguides using mode-division multiplexing (MDM) on an integrated photonic chip allows unprecedented scaling of bandwidth density for on-…
30 GHz Zeno-based Graphene Electro-optic Modulator
Christopher T. Phare, Yoon-Ho Daniel Lee, Jaime Cardenas +1
Graphene has generated exceptional interest as an optoelectronic material because its high carrier mobility and broadband absorption promise to make extremely fast and broadband el…
Scalable integration of long-lived quantum memories into a photonic circuit
Sara L. Mouradian, Tim Schröder, Carl B. Poitras +8
We demonstrate a photonic circuit with integrated long-lived quantum memories. Pre-selected quantum nodes - diamond micro-waveguides containing single, stable, and negatively charg…
Silicon-Chip Mid-Infrared Frequency Comb Generation
Austin G. Griffith, Ryan K. W. Lau, Jaime Cardenas +9
Optical frequency combs represent a revolutionary technology for high precision spectroscopy due to their narrow linewidths and precise frequency spacing. Generation of such combs…
High Q SiC microresonators
Jaime Cardenas, Mian Zhang, Christopher T. Phare +3
We demonstrate photonic devices based on standard 3C SiC epitaxially grown on silicon. We achieve high optical confinement by taking advantage of the high stiffness of SiC and unde…
Silicon nanostructure cloak operating at optical frequencies
Lucas H. Gabrielli, Jaime Cardenas, Carl B. Poitras +1
The ability to render objects invisible using a cloak - not detectable by an external observer - for concealing objects has been a tantalizing goal1-6. Here, we demonstrate a cloak…