111 citations · 433 across the 14 of their papers we have counts for
14 papers · 1 filter
Hybrid Integration of InGaN Lasers in a Foundry-Fabricated Visible-Light Photonics Platform
Xin Mu, Frank Weiss, Hongyao Chua +9
Visible-spectrum photonic integrated circuits (PICs) present compact and scalable solutions for emerging technologies including quantum computing, biosensing, and virtual/augmented…
Broadband Waveguide-Coupled Photodetectors in a Submicrometer-Wavelength Silicon Photonics Platform
Alperen Govdeli, Jared C. Mikkelsen, Engjell Bebeti +4
Advances in silicon (Si) photonics at submicrometer wavelengths are unlocking new opportunities to realize miniaturized, scalable optical systems for biophotonics, quantum informat…
In situ Thermal Trimming of Waveguides in a Standard Active Silicon Photonics Platform
Tianyuan Xue, Hannes Wahn, Andrei Stalmashonak +2
We present suspended heater structures fabricated in a standard C- and O-band silicon (Si) photonics platform that can achieve sufficiently high local temperatures to induce effect…
Thermally Induced Refractive Index Trimming of Visible-Light Silicon Nitride Waveguides Using Suspended Heaters
Hong Chen, Tianyuan Xue, Zheng Yong +6
We demonstrate refractive index trimming of visible-light silicon nitride (SiN) waveguides using suspended heater structures. The thermal isolation of the suspended heaters enabled…
Implantable silicon neural probes with nanophotonic phased arrays for single-lobe beam steering
Fu-Der Chen, Ankita Sharma, Tianyuan Xue +12
In brain activity mapping experiments using optogenetics, patterned illumination is crucial for deterministic and localized stimulation of neurons. However, due to optical scatteri…
Implantable Photonic Neural Probes with Out-of-Plane Focusing Grating Emitters
Tianyuan Xue, Andrei Stalmashonak, Fu-Der Chen +6
We have designed, fabricated, and characterized implantable silicon neural probes with nanophotonic grating emitters that focus the emitted light at a specified distance above the…
Room-temperature waveguide-coupled silicon single-photon avalanche diodes
Alperen Govdeli, John N. Straguzzi, Zheng Yong +6
Single photon detection is important for a wide range of low-light applications, including quantum information processing, spectroscopy, and light detection and ranging (LiDAR). A…
Implantable Photonic Neural Probes with 3D-Printed Microfluidics and Applications to Uncaging
Xin Mu, Fu-Der Chen, Ka My Dang +10
Advances in chip-scale photonic-electronic integration are enabling a new generation of foundry-manufacturable implantable silicon neural probes incorporating nanophotonic waveguid…
Microcantilever-integrated photonic circuits for broadband laser beam scanning
Saeed Sharif Azadeh, Jason C. C. Mak, Hong Chen +11
Laser beam scanning is central to many applications, including displays, microscopy, three-dimensional mapping, and quantum information. Reducing the scanners to microchip form fac…
Monolithically integrated, broadband, high-efficiency silicon nitride-on-silicon waveguide photodetectors in a visible-light integrated photonics platform
Yiding Lin, Zheng Yong, Xianshu Luo +8
Visible and near-infrared spectrum photonic integrated circuits are quickly becoming a key technology to address the scaling challenges in quantum information and biosensing. Thus…
Power-Efficient Silicon Nitride Thermo-Optic Phase Shifters for Visible Light
Zheng Yong, Hong Chen, Xianshu Luo +7
We demonstrate power-efficient, thermo-optic, silicon nitride waveguide phase shifters for blue, green, and yellow wavelengths. The phase shifters operated with low power consumpti…
Optical phased array neural probes for beam-steering in brain tissue
Wesley D. Sacher, Fu-Der Chen, Homeira Moradi-Chameh +13
Implantable silicon neural probes with integrated nanophotonic waveguides can deliver patterned dynamic illumination into brain tissue at depth. Here, we introduce neural probes wi…
Automatic Resonance Alignment of High-Order Microring Filters
Jason C. C. Mak, Wesley D. Sacher, Tianyuan Xue +3
Automatic resonance alignment tuning is performed in high-order series coupled microring filters using a feedback system. By inputting only a reference wavelength, a filter is tune…
Breaking the cavity linewidth limit of resonant optical modulators
Wesley D. Sacher, William M. J. Green, Solomon Assefa +5
Microring optical modulators are being explored extensively for energy-efficient photonic communication networks in future high-performance computing systems and microprocessors, b…