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Search Publications by: Scott Papp (Fed)

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Displaying 26 - 50 of 82

Thermal Decoherence and Laser Cooling of Kerr-microresonator Solitons

June 22, 2020
Author(s)
Tara E. Drake, Jordan Stone, Travis Briles, Scott Papp
Thermal noise is ubiquitous in microscopic systems and high-precision measurements. The control of thermal noise would reveal quantum regimes1 and enable fundamental physics searches2 . Recently, nonlinearity in microresonators has enabled laser devices

Mid-Infrared Frequency Comb Generation and Spectroscopy with Few-Cycle Pulses and hd2TH Nonlinear Optics

April 1, 2020
Author(s)
Alexander Lind, Abijith S. Kowligy, Henry R. Timmers, Flavio Caldas da Cruz, Nima Nader, Myles C. Silfies, Thomas K. Allison, Scott Papp, Scott Diddams
The mid-infrared atmospheric window of 3–5.5 μm holds valuable information regarding molecular composition and function for fundamental and applied spectroscopy. Using a robust, mode-locked fiberlaser source of 11 fs pulses in the near infrared, we

Ultranarrow linewidth photonic-atomic laser

January 8, 2020
Author(s)
Wei Zhang, Liron Stern, David R. Carlson, Douglas G. Bopp, Zachary L. Newman, Songbai Kang, John Kitching, Scott Papp
Lasers with high spectral purity can enable a diverse application space, including precision spectroscopy, coherent high-speed communications, physical sensing, and manipulation of quantum systems. Already, meticulous design and construction of bench Fabry

Milliwatt-threshold visible-telecom optical parametric oscillation using silicon nanophotonics

December 20, 2019
Author(s)
Xiyuan Lu, Gregory Moille, Anshuman Singh, Qing Li, Daron Westly, Ashutosh Rao, Su P. Yu, Travis Briles, Scott Papp, Kartik Srinivasan
The on-chip creation of coherent light at visible wavelengths is of interest to many applications in spectroscopy, sensing, and metrology. Towards that goal, here we propose and demonstrate the first on-chip visible-telecom optical parameteric oscillator

Generating few-cycle pulses with integrated nonlinear photonics

December 10, 2019
Author(s)
David Carlson, Phillips Hutchison, Daniel D. Hickstein, Scott Papp
Ultrashort laser pulses that last only a few optical cycles have been transformative tools for studying and manipulating ultrafast light--matter interactions. These few-cycle pulses are typically produced from high-peak-power lasers, either directly from

Subharmonic Entrainment of Kerr Breather Solitons

October 25, 2019
Author(s)
Daniel Cole, Scott Papp
We predict subharmonic entrainment of breather-soliton oscillations to a periodic perturbation at the round-trip time TR in Kerr-nonlinear optical resonators; an integer ratio Tb=TR ¼ N ≫ 1 results for breathing period Tb. Rigid entrainment is observed

Broadband Resonator-Waveguide Coupling for Efficient Extraction of Octave Spanning Microcombs

October 1, 2019
Author(s)
Gregory Moille, Qing Li, Travis Briles, Su P. Yu, Tara E. Drake, Xiyuan Lu, Ashutosh Rao, Daron Westly, Scott Papp, Kartik Srinivasan
Frequency combs spanning over an octave have been successfully demonstrated on-chip in Kerr nonlinear microresonators, thanks to their large effective nonlinearity and ability to support a suitable dispersion profile. Efficient extraction of intracavity

Kerr Microresonator Soliton Frequency Combs at Cryogenic Temperatures

September 27, 2019
Author(s)
Gregory Moille, Xiyuan Lu, Ashutosh Rao, Qing Li, Daron Westly, Leonardo Ranzani, Scott Papp, Mohammad Soltani, Kartik Srinivasan
We present measurements of silicon nitride nonlinear microresonators and frequency comb generation at cryogenic temperatures as low as 7 K. A resulting two orders of magnitude reduction in the thermo-refractive coefficient relative to room-temperature

Terahertz-Rate Kerr-Microresonator Optical Clockwork

August 12, 2019
Author(s)
Tara E. Drake, Travis Briles, Daryl T. Spencer II, Jordan R. Stone, David R. Carlson, Daniel D. Hickstein, Qing Li, Daron A. Westly, Kartik A. Srinivasan, Scott A. Diddams, Scott B. Papp
Kerr microresonators generate interesting and useful fundamental states of electromagnetic radiation through nonlinear interactions of continuous-wave (CW) laser light. When implemented with photonic-integration techniques, functional devices with low

A microrod optical-frequency reference in the ambient environment

August 6, 2019
Author(s)
Wei Zhang, Frederick N. Baynes, Scott Diddams, Scott Papp
We present an ultrahigh-Q microrod resonator operated under ambient conditions that supports laser fractional frequency stabilization to the thermal-noise limit of 3 x 10−13 and a linewidth of 62 Hz. We characterize the technical-noise mechanisms for laser

Photonic-crystal-reflector nano-resonators for Kerr-frequency combs

July 8, 2019
Author(s)
Su P. Yu, Hojoong Jung, Travis Briles, Kartik Srinivasan, Scott Papp
We demonstrate Kerr-frequency-comb generation with photonic-crystal-reflector (PCR) resonators, which is nanofabricated in a Fabry-Perot geometry. The group-velocity-dispersion (GVD) engineered photonic-crystal reflectors counteract the strong normal GVD

Efficient telecom-to-visible spectral translation through ultra-low power nonlinear nanophotonics

June 24, 2019
Author(s)
Xiyuan Lu, Gregory Moille, Qing Li, Daron Westly, Anshuman Singh, Ashutosh Rao, Su P. Yu, Travis Briles, Scott Papp, Kartik Srinivasan
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 to connect the telecommunications band with visible and short near-infrared

Self-organized nonlinear gratings for ultrafast nanophotonics

June 3, 2019
Author(s)
Daniel D. Hickstein, David R. Carlson, Haridas Mundoor, Jacob B. Khurgin, Kartik A. Srinivasan, Daron A. Westly, Abijith S. Kowligy, Ivan I. Smalyukh, Scott A. Diddams, Scott B. Papp
We present the first demonstration of automatically quasi-phase-matched second-harmonic generation using femtosecond pulses. The high-confinement geometry of silicon-nitride nanophotonic waveguides provides group-velocity matching, which enables efficient

Architecture for the photonic integration of an optical atomic clock

May 20, 2019
Author(s)
Zachary L. Newman, Vincent N. Maurice, Tara E. Drake, Jordan R. Stone, Travis Briles, Daryl T. Spencer II, Connor D. Fredrick, Qing Li, Daron A. Westly, Bojan R. Ilic, B. Shen, M.-G Suh, K. Y. Yang, C Johnson, D.M. S. Johnson, Leo Hollberg, K. Vahala, Kartik A. Srinivasan, Scott A. Diddams, John E. Kitching, Scott B. Papp, Matthew T. Hummon
Optical atomic clocks, which rely on high-frequency, narrow-line optical transitions to stabilize a clock laser, outperform their microwave counterparts by several orders of magnitude due to their inherently large quality factors. Optical clocks based on

Dual comb spectroscopy with tailored spectral broadening in nanophotonic Si3N4

April 15, 2019
Author(s)
Esther Baumann, Edgar Perez, Gabriel M. Colacion, Fabrizio Giorgetta, Kevin Cossel, Gabriel Ycas, David Carlson, Kartik Srinivasan, Scott Papp, Ian Coddington, Nathan R. Newbury
Spectral broadening of compact robust Er+: fiber combs is demonstrated with tailored Si3N4 waveguides to obtain spectrally-smooth broadened light in the 2 μm 2.5 μm atmospheric water window for gas spectroscopy. This successfully extends the Er+ spectrum

Tuning Kerr-Soliton Frequency Combs to Atomic Resonances

April 5, 2019
Author(s)
Su P. Yu, Travis Briles, Gregory Moille, Xiyuan Lu, Scott Diddams, Kartik Srinivasan, Scott Papp
Frequency combs based on nonlinear optical phenomena in integrated photonics are a versatile light source that can explore new applications, including frequency metrology, optical communications, and sensing. We demonstrate robust frequency-control

Reversible Kerr-soliton generation

October 16, 2018
Author(s)
Daniel C. Cole, Jordan R. Stone, Scott B. Papp
We demonstrate deterministic and reversible generation of single Kerr-microresonator solitons using a phase-modulated pump laser. In agreement with simulations, modulation enables soliton generation from a below-threshold background and provides control of

Fully self-referenced frequency comb consuming 5 Watts of electrical power

September 12, 2018
Author(s)
Paritosh Manurkar, Edgar F. Perez, Daniel D. Hickstein, David R. Carlson, Jeffrey T. Chiles, Daron A. Westly, Esther Baumann, Scott A. Diddams, Nathan R. Newbury, Kartik A. Srinivasan, Scott B. Papp, Ian R. Coddington
We present a hybrid fiber/waveguide design for a 100-MHz frequency comb that is fully self- referenced and temperature controlled with less than 5 W of electrical power. Self-referencing is achieved by supercontinuum generation in a silicon nitride

Tunable mid-infrared generation via wide-band four-wave mixing in silicon nitride waveguides

August 27, 2018
Author(s)
Abijith S. Kowligy, Daniel D. Hickstein, Alexander Lind, David Carlson, Henry R. Timmers, Nima Nader, Daniel Maser, Daron Westly, Kartik Srinivasan, Scott Papp, Scott Diddams
We demonstrate wide-band frequency down-conversion to the mid-infrared (MIR) using four-wave mixing (FWM) of near-infrared (NIR) femtosecond-duration pulses from an Er:fiber laser, corresponding to 100 THz spectral translation. Photonic-chip-based silicon

Infrared Astronomical Spectroscopy and Radial Velocity Measurements with Precision Below 10 cm/s

August 9, 2018
Author(s)
Andrew J. Metcalf, Tyler Anderson, Chad F. Bender, Wesley Brand, David Carlson, Scott Diddams, Connor Fredrick, S. Halverson, Daniel D. Hickstein, Fred Hearty, Jeffrey M. Jennings, Shubham Kanodia, Kyle Kaplan, Emily Lubar, Suvrath Mahadevan, Andrew Monson, Joe P. Ninan, Colin Nitroy, Scott Papp, L. Ramsey, Paul Robertson, Arpita Roy, Christian Schwab, Kartik Srinivasan, Gudmundur Stefansson, Ryan C. Terrien
We detail the first infrared precision astronomical spectroscopy results from the combination of an electro-optic laser frequency comb and the Habitable Zone Planet Finder spectrograph at the 10 m Hobby-Eberly telescope.

An electro-optic ultrafast light source with sub-cycle stability

August 8, 2018
Author(s)
David R. Carlson, Daniel D. Hickstein, Wei Zhang, Andrew J. Metcalf, Franklyn J. Quinlan, Scott A. Diddams, Scott B. Papp
Optical frequency combs can produce femtosecond light pulses with sub-cycle precision, and are typically made by relying on the intrinsic stability of mode-locked lasers. Now, by carving a continuous-wave laser into pulses via electro-optic modulation (EOM

Thermal and Nonlinear Dissipative-Soliton Dynamics in Kerr Microresonator Frequency Combs

August 8, 2018
Author(s)
Jordan R. Stone, Travis Briles, Tara E. Drake, Daryl T. Spencer, David R. Carlson, Scott A. Diddams, Scott B. Papp
We report on radiofrequency techniques to reliably generate and control dissipative-Kerr- soliton microresonator frequency combs. Since the pump-laser frequency detuning to the resonator primarily determines the soliton dynamics, we devise an offset Pound

Dual-comb interferometry via repetition-rate switching of a single frequency comb

July 24, 2018
Author(s)
David R. Carlson, Daniel D. Hickstein, Daniel C. Cole, Scott A. Diddams, Scott B. Papp
We experimentally demonstrate a versatile technique for performing dual-comb interferometry using a single frequency comb. By rapid switching of the repetition rate, the output pulse train can be delayed and heterodyned with itself to produce

Theory of Kerr Frequency Combs in Fabry-Perot resonators

July 18, 2018
Author(s)
Daniel C. Cole, Alessandra Gatti, Scott B. Papp, Franco Prati, Luigi Luigato
We derive a spatiotemporal equation describing nonlinear optical dynamics in Fabry-Perot (FP) cavities filled with a Kerr medium. This equation is an extension of the equation that describes dynamics in Kerr-nonlinear ring resonators, referred to as the