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Search Publications by John Kitching

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Displaying 1 - 25 of 201

Ultranarrow linewidth photonic-atomic laser

Author(s)
Wei Zhang, Liron Stern, David R. Carlson, Douglas G. Bopp, Zachary L. Newman, Songbai Kang, John E. Kitching, Scott B. Papp
Lasers with high spectral purity can enable a diverse application space, including precision spectroscopy, coherent high-speed communications, physical sensing

Developing Next-generation Brain Sensing Technologies - A Review

Author(s)
Jacob T. Robinson, Eric Pohlmeyer, Malte C. Gather, Caleb Kemere, John E. Kitching, George G. Malliaras, Adam Marblestone, Kenneth L. Shepard, Thomas Stieglitz, Chong Xie
Advances in sensing technology raise the possibility of creating neural interfaces that can more effectively restore or repair neural function and reveal

A Cold-Atom Beam Clock, based on Coherent Population Trapping

Author(s)
John D. Elgin, Thomas P. Heavner, John E. Kitching, Elizabeth A. Donley, Jayson Denney, Evan Salim
We present results from a novel atomic clock which employs a beam of cold 87 Rb atoms and spatially separated (Ramsey) coherent population trapping

Magneto-optic trap using a reversible, solid-state alkali-metal source

Author(s)
Songbai Kang, Kaitlin R. Moore, James P. McGilligan, R. Mott, A. Mis, C. Roper, Elizabeth A. Donley, John E. Kitching
Fast, reversible, and low-power alkali-atom sources are desirable in both tabletop and portable cold-atom sensors. Here we demonstrate a magneto-optic trap (MOT

Architecture for the photonic integration of an optical atomic clock

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

Reduction of light shifts in Ramsey spectroscopy with a combined error signal

Author(s)
Moshe Shuker, Juniper Wren Y. Pollock, Rodolphe Boudot, V. I. Yudin, A. V. Taichenachev, John E. Kitching, Elizabeth A. Donley
Light-induced frequency shifts can be a key limiting contribution to the mid and long-term frequency stability in atomic clocks. In this letter, we demonstrate

Ramsey Spectroscopy with Displaced Frequency Jumps

Author(s)
Moshe Shuker, Juniper Wren Y. Pollock, Rodolphe Boudot, V. I. Yudin, A. V. Taichenachev, John E. Kitching, Elizabeth A. Donley
Sophisticated Ramsey-based interrogation protocols using composite laser pulse sequences have been recently proposed to provide in next-generation high

Chip-scale atomic diffractive optical elements

Author(s)
Liron Stern, Douglas G. Bopp, Susan A. Schima, Vincent N. Maurice, John E. Kitching
Atomic systems have long provided a useful material platform with unique quantum properties. The efficient light-matter interaction in atomic vapors has led to

Combined error signal in Ramsey spectroscopy of clock transitions

Author(s)
V. I. Yudin, A. V. Taichenachev, M. Y. Basalaev, T. Zanon-Willette, James Wesley Y. Pollock, Moshe Shuker, Elizabeth A. Donley, John E. Kitching
We have developed a universal method to form the reference signal for the stabilization of arbitrary atomic clocks based on Ramsey spectroscopy that uses an

AC stark shifts of dark resonances probed with Ramsey spectroscopy

Author(s)
James Wesley Y. Pollock, V. I. Yudin, Moshe Shuker, M. Y. Basalaev, A. V. Taichenachev, Xiaochi Liu, John E. Kitching, Elizabeth A. Donley
The off-resonant AC Stark shift for coherent population trapping (CPT) resonances probed with Ramsey spectroscopy is investigated experimentally and

Chip Scale Atomic Devices

Author(s)
John E. Kitching
Chip-scale atomic devices combine elements of precision atomic spectroscopy, silicon micromachining and advanced diode laser technology to create compact, low

Generalized auto-balanced Ramsey spectroscopy of clock transitions

Author(s)
V. I. Yudin, A. V. Taichenachev, M. Y. Basalaev, T. Zanon-Willette, James Wesley Y. Pollock, Moshe Shuker, Elizabeth A. Donley, John E. Kitching
We develop the theory for generalised auto-balanced Ramsey spectroscopy (GABRS), which allows probe-field-induced shifts in atomic clocks to be eliminated. This

Photonic chip for laser stabilization to an atomic vapor at a precision of $10^{-11}$

Author(s)
Matthew T. Hummon, Songbai Kang, Douglas G. Bopp, Qing Li, Daron A. Westly, Sangsik Kim, Connor D. Fredrick, Scott A. Diddams, Kartik A. Srinivasan, John E. Kitching
We perform precision spectroscopy of rubidium confined in a micro-machined, 27~mm$^3$ volume, vapor cell using a collimated free space 120~$\bm{\mu}$m diameter

A Low-Power Reversible Alkali Atom Source

Author(s)
Songbai Kang, Russell P. Mott, Kevin A. Gilmore, Logan D. Sorenson, Matthew T. Rahker, Elizabeth A. Donley, John E. Kitching, Christopher S. Roper
An electrically-controllable, solid-state, reversible device for sourcing and sinking alkali vapor is presented. When placed inside an alkali vapor cell, both

Analytical Tools for Point Source Interferometry

Author(s)
Gregory W. Hoth, John E. Kitching, Elizabeth A. Donley, Bruno M. Pelle
Light pulse atom interferometry can be used to realize high-performance sensors of accelerations and rotations. In order to broaden the range of applications of

A microfabricated optically-pumped magnetic gradiometer

Author(s)
Abigail R. Perry, Sean P. Krzyzewski, John E. Kitching, S. Geller, Sheng D., Svenja A. Knappe
We report on the development of a microfabricated atomic magnetic gradiometer based on optical spectroscopy of alkali atoms in the vapor phase. The gradiometer

Point source atom interferometry with a cloud of finite size

Author(s)
Gregory W. Hoth, Bruno M. Pelle, Stefan Riedl, John E. Kitching, Elizabeth A. Donley
We demonstrate a two axis gyroscope by use of light pulse atom interferometry with an expanding cloud of atoms in the regime where the cloud has expanded by 1.1

Miniature atomic scaler magnetometer for space based on the rubidium isotope 87Rb

Author(s)
Haje Korth, Kim Strohbehn, Francisco Tejada, Andreas G Andreou, John E. Kitching, Svenja A. Knappe, S. John Lehtonen, Shaughn M. London, Matiwos Kafel
A miniature absolute scalar magnetometer based on the rubidium isotope 87Rb was developed for possible future operation in space. The instrument design