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Search Publications by: Scott Papp ()

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Displaying 1 - 25 of 89

Cryogenic photonic resonator with 10-17/s drift

February 11, 2025
Author(s)
Wei Zhang, William Milner, Jun Ye, Scott Papp
Thermal noise is the predominant instability in the provision of ultrastable laser frequency by reference to a cavity. Reducing the thermal-noise limit of a cavity means either making it larger to spread thermal fluctuations, reducing the sensitivity of

Nanophotonic oscillators for laser conversion beyond an octave

February 11, 2025
Author(s)
Grant Brodnik, Haixin Liu, David Carlson, Jennifer Black, Scott Papp
Many uses of lasers place the highest importance on access to specific wavelength bands. For example, mobilizing optical-atomic clocks for a leap in sensing requires compact lasers at frequencies spread across the visible and near infrared. Integrated

The bandgap-detuned excitation regime in photonic-crystal resonators

February 11, 2025
Author(s)
Yan Jin, Erwan Lucas, Jizhao Zang, Travis Briles, Ivan Dickson, David Carlson, Scott Papp
Control of nonlinear interactions in microresonators enhances access to classical and quantum field states across nearly limitless bandwidth. A recent innovation has been to leverage coherent scattering of the intraresonator pump as a control of group

Heterogeneously integrated AlGaAs/GaAs photodiodes on tantala waveguides

December 1, 2024
Author(s)
Masoud Jafari, Tasneem Fatema, David Carlson, Scott Papp, Andreas Beling
We demonstrate the first heterogeneously integrated high-speed waveguide photodiode (PD) on tantalum pentoxide (Ta2O5, or tantala) for visible light detection. The PDs have 100 pA dark current, more than 56% quantum efficiency (QE) between 635 nm and 780

Three-dimensional, multi-wavelength beam formation with integrated metasurface optics for Sr laser c

October 17, 2024
Author(s)
Sindhu Jammi, Andrew Ferdinand, Zheng Luo, Zachary Newman, Grisha Spektor, Junyeob Song, Okan Koksal, William Lunden, Daniel Sheredy, Parth Patel, Martin Boyd, Wenqi Zhu, Amit Agrawal, Travis Briles, Scott Papp
We demonstrate formation of a complex, multi-wavelength, three-dimensional laser beam configuration with integrated metasurface optics. Our experiments support development of a compact Sr optical-lattice clock, which leverages magnetooptical trapping on

Foundry manufacturing of octave-spanning microcombs

September 6, 2024
Author(s)
Jizhao Zang, Haixin Liu, Travis Briles, Scott Papp
Soliton microcombs provide a chip-based, octave-spanning source for self-referencing and optical metrology. We use a silicon nitride integrated photonics foundry to manufacture 280 single-chip solutions of octave-spanning microcombs on a wafer. By group

Laser cooling 88Sr to microkelvin temperature with an integrated-photonics system

April 19, 2024
Author(s)
Andrew Ferdinand, Zheng Luo, Sindhu Jammi, Zachary Newman, Grisha Spektor, Okan Koksal, Akash Rakholia, Daniel Sheredy, Parth Patel, Travis Briles, Wenqi Zhu, Martin Machai Boyd, Amit Agrawal, Scott Papp
We report on experiments generating a magneto-optical trap (MOT) of 88-strontium (88Sr) atoms at microkelvin temperature, using integrated-photonics devices. With metasurface optics integrated on a fused-silica substrate, we generate six-beam, circularly p

Laser-power consumption of soliton formation in a bidirectional Kerr resonator

March 5, 2024
Author(s)
Jizhao Zang, Su-Peng Yu, Haixin Liu, Yan Jin, Travis Briles, David Carlson, Scott Papp
Laser sources power extreme data transmission as well as computing acceleration, access to ultrahigh-speed signaling, and sensing for chemicals, distance, and pattern recognition. The ever-growing scale of these applications drives innovation in multi

Photonic bandgap microcombs at 1064 nm

February 27, 2024
Author(s)
Gregory Spektor, Jizhao Zang, Atasi Dan, Travis Briles, Grant Brodnik, Haixin Liu, Jennifer Black, David Carlson, Scott Papp
Microresonator frequency combs and their design versatility have revolutionized research areas from data communication to exoplanet searches. While microcombs in the 1550 nm band are well documented, there is interest in using microcombs in other bands

Optical frequency division & pulse synchronization using a photonic-crystal microcomb injected chip-scale mode-locked laser

February 15, 2024
Author(s)
Chinmay Shirpurkar, Jizhao Zang, Ricardo Bustos-Ramirez, David Carlson, Travis Briles, Lawrence R. Trask, Srinivas V. Pericherla, Di Huang, Ashish Bhardwaj, Gloria E. Hoefler, Scott Papp, Peter J. Delfyett
A mode-locked laser photonic integrated circuit with a repetition rate of 10 GHz is optically synchronized to a tantalabased photonic crystal resonator comb with a repetition rate of 200 GHz. The synchronization is achieved through regenerative harmonic

Threshold and Laser Conversion in Nanostructured-Resonator Parametric Oscillators

January 10, 2024
Author(s)
Haixin Liu, Grant Brodnik, Jizhao Zang, David Carlson, Jennifer Black, Scott Papp
We explore optical parametric oscillation (OPO) in nanophotonic resonators, enabling arbitrary, nonlinear phase matching and nearly lossless control of energy conversion. Such pristine OPO laser converters are determined by nonlinear light-matter

Tailoring microcombs with inverse-designed, meta-dispersion microresonators

July 17, 2023
Author(s)
Erwan Lucas, Su-Peng Yu, Travis Briles, David Carlson, Scott Papp
Nonlinear wave mixing in optical microresonators ofers new perspectives to generate compact optical-frequency microcombs, which enable an ever-growing number of applications. Microcombs exhibit a spectral profle that is primarily determined by their

Universal visible emitters in nanoscale integrated photonics

June 30, 2023
Author(s)
Gregory Spektor, David Carlson, Zachary Newman, Jinhie Lee Skarda, Neil Sapra, Logan Su, Sindhu Jammi, Andrew Ferdinand, Amit Agrawal, Jelena Vuckovic, Scott Papp
Visible wavelength lasers control quantum matter of atoms and molecules, enable frontiers of physical sensing, and are foundational for various applications. The development of visible integrated photonics opens the possibility for scalable circuits with

Nonlinear Networks for Arbitrary Optical Synthesis

May 19, 2023
Author(s)
Jennifer Black, Zachary Newman, Su-Peng Yu, David Carlson, Scott Papp
Nonlinear wavelength conversion is a powerful control of light, especially when implemented at the nanoscale with integrated photonics. However, strict energy conservation and phase-matching requirements constrain the converted output. To overcome these

Integrating planar photonics for multi-beam generation and atomic clock packaging on chip

April 3, 2023
Author(s)
Chad Ropp, Wenqi Zhu, Alexander Yulaev, Daron Westly, Gregory Simelgor, Akash Rakholia, William Lunden, Dan Sheredy, Martin Boyd, Scott Papp, Amit Agrawal, Vladimir Aksyuk
The commercialization of atomic technologies requires replacing laboratory-scale laser setups with compact and manufacturable optical platforms. Complex arrangements of free-space beams can be generated on chip through a combination of integrated photonics

Optical-parametric oscillation in photonic-crystal ring resonators

October 20, 2022
Author(s)
Jennifer Black, Grant Brodnik, Haixin Liu, Su-Peng Yu, David Carlson, Jizhao Zang, Travis Briles, Scott Papp
By-design access to laser wavelength, especially with integrated photonics, is critical to advance quantum sensors, such as optical clocks and quantum-information systems, and open opportunities in optical communication. Semiconductor-laser gain provides

Single-atom trapping in a metasurface-lens optical tweezer

August 1, 2022
Author(s)
Ting-Wei Hsu, Wenqi Zhu, Tobias Thiele, Mark Brown, Scott Papp, Amit Agrawal, Cindy Regal
Single neutral atoms in optical tweezers have become an important platform for quantum simulation, computing, and metrology [1-3]. With ground-up control similar to trapped ions, individual atoms can be prepared and entangled [2, 4, 5], and the scalability

Photonic crystal resonators for inverse-designed multi-dimensional optical interconnects

June 9, 2022
Author(s)
Jizhao Zang, C. SHIRPURKAR, K.Y. YANG, David Carlson, Su-peng Yu, Erwan Lucas, S.V. PERICHERLA, J. Yang, M. GUIDRY, D. LUKIN, L. TRASK, F. AFLATOUNI, J. VUVC KOVI'C, Scott Papp, P.J. DELFYETT
We experimentally demonstrate a 40-channel 400 Gbps optical communication link utilizing wavelength division multiplexing and mode-division multiplexing. This link utilizes a novel 400 GHz photonic crystal resonator as a chip-scale frequency comb source

A continuum of bright and dark pulse states in a photonic-crystal resonator

June 6, 2022
Author(s)
Su-Peng Yu, Erwan Lucas, Jizhao Zang, Scott Papp
Nonlinearity is a powerful determinant of physical systems. Controlling nonlinearity leads to interesting states of matter and new applications. In optics, diverse families of continuous and discrete states arise from balance of nonlinearity and group

Tantala Kerr nonlinear integrated photonics

May 26, 2021
Author(s)
Hojoong Jung, Su P. Yu, David Carlson, Tara E. Drake, Travis Briles, Scott Papp
Integrated photonics plays a central role in modern science and technology, enabling experiments from nonlinear science to quantum information, ultraprecise measurements and sensing, and advanced applications like data communication and signal processing

Towards integrated photonic interposers for processing octave-spanning microresonator frequency combs

May 26, 2021
Author(s)
Ashutosh Rao, Gregory Moille, Xiyuan Lu, Daron Westly, Davide Sacchetto, Michael Geiselmann, Michael Zervas, Scott Papp, John E. Bowers, Kartik Srinivasan
Microcombs - optical frequency combs generated in microresonators - have advanced tremendously in the last decade, and are advantageous for applications in frequency metrology, navigation, spectroscopy, telecommunications, and microwave photonics

Spontaneous Pulse Formation in Edgeless Photonic Crystal Resonators

April 29, 2021
Author(s)
Su P. Yu, Daniel Cole, Hojoong Jung, Gregory Moille, Kartik Srinivasan, Scott Papp
Complex systems are a proving ground for fundamental interactions between components and their collective emergent phenomena. Through intricate design, integrated photonics offers intriguing nonlinear inter- actions that create new patterns of light. In

Inverse-designed multi-dimensional silicon photonic transmitters

March 25, 2021
Author(s)
Travis Briles, Jordan Stone, Scott Papp
Modern microelectronic processors have migrated towards parallel computing architectures with many-core processors. However, such expansion comes with diminishing returns exacted by the high cost of data movement between individual processors. The use of

Group-velocity dispersion engineering of tantalum pentoxide integrated photonics

February 9, 2021
Author(s)
Jennifer Black, Richelle H. Streater, Kieran F. LaMee, David Carlson, Su P. Yu, Scott Papp
Designing integrated photonics, especially to leverage Kerr-nonlinear optics, requires accurate and precise knowledge of refractive index across the visible to infrared spectral ranges. Tantalum pentoxide (Ta2O5, tantala) is an emerging material platform