All Stories

  1. Single-domain Bose condensate magnetometer achieves energy resolution per bandwidth below ℏ

    Article • Proceedings of the National Academy of Sciences, February 2022, Proceedings of the National Academy of Sciences

    Morgan Mitchell

  2. SU(2)-in-SU(1,1) Nested Interferometer for High Sensitivity, Loss-Tolerant Quantum Metrology

    Article • Physical Review Letters, January 2022, American Physical Society (APS)

    Morgan Mitchell

  3. Squeezed-Light Enhancement and Backaction Evasion in a High Sensitivity Optically Pumped Magnetometer

    Article • Physical Review Letters, November 2021, American Physical Society (APS)

    Morgan Mitchell

  4. Manipulating and measuring single atoms in the Maltese cross geometry

    Article • Open Research Europe, September 2021, Faculty of 1000, Ltd.

    Morgan Mitchell

  5. Unconventional quantum correlations of light emitted by a single atom in free space

    Article • July 2021, American Physical Society (APS)

    Morgan Mitchell

  6. Autoheterodyne Characterization of Narrow-Band Photon Pairs

    Article • Physical Review Letters, July 2021, American Physical Society (APS)

    Morgan Mitchell

  7. Criticality-enhanced quantum sensing in ferromagnetic Bose-Einstein condensates: Role of readout measurement and detection noise

    Article • February 2021, American Physical Society (APS)

    Morgan Mitchell

  8. Measurement-induced, spatially-extended entanglement in a hot, strongly-interacting atomic system

    Article • Nature Communications, May 2020, Springer Science + Business Media

    Morgan Mitchell

  9. Scale-invariant spin dynamics and the quantum limits of field sensing

    Article • New Journal of Physics, May 2020, Institute of Physics Publishing

    Morgan Mitchell

  10. Bose-Einstein Condensate Comagnetometer

    Article • Physical Review Letters, April 2020, American Physical Society (APS)

    Morgan Mitchell

  11. Colloquium : Quantum limits to the energy resolution of magnetic field sensors

    Article • Reviews of Modern Physics, April 2020, American Physical Society (APS)

    Morgan Mitchell

  12. Experimental Low-Latency Device-Independent Quantum Randomness

    Article • Physical Review Letters, January 2020, American Physical Society (APS)

    Morgan Mitchell

  13. Narrowband photon pairs with independent frequency tuning for quantum light-matter interactions

    Article • Optics Express, December 2019, Optical Society of America (OSA)

    Morgan Mitchell

  14. Maltese cross coupling to individual cold atoms in free space

    Article • Optics Express, October 2019, Optical Society of America (OSA)

    Morgan Mitchell

  15. Interferometric measurement of interhyperfine scattering lengths in Rb87

    Article • September 2019, American Physical Society (APS)

    Morgan Mitchell

  16. Experimental measurement-dependent local Bell test with human free will

    Article • February 2019, American Physical Society (APS)

    Morgan Mitchell

  17. Interferometric photodetection in silicon photonics for phase diffusion quantum entropy sources

    Article • Optics Express, November 2018, Optical Society of America (OSA)

    Morgan Mitchell

  18. Quantum-enhanced measurements without entanglement

    Article • Reviews of Modern Physics, September 2018, American Physical Society (APS)

    Morgan Mitchell

  19. Multi-second magnetic coherence in a single domain spinor Bose–Einstein condensate

    Article • New Journal of Physics, May 2018, Institute of Physics Publishing

    Morgan Mitchell

  20. Challenging local realism with human choices

    Article • Nature, May 2018, Springer Science + Business Media

    Morgan Mitchell

  21. Entanglement and extreme planar spin squeezing

    Article • February 2018, American Physical Society (APS)

    Morgan Mitchell

  22. Atom-resonant squeezed light from a tunable monolithic ppRKTP parametric amplifier

    Article • Optics Letters, February 2018, Optical Society of America (OSA)

    Morgan Mitchell

  23. Signal Tracking Beyond the Time Resolution of an Atomic Sensor by Kalman Filtering

    Article • Physical Review Letters, January 2018, American Physical Society (APS)

    Morgan Mitchell

  24. Integrated Quantum Entropy Sources

    Article • January 2018, Optical Society of America (OSA)

    Morgan Mitchell

  25. Self-tuning optical resonator

    Article • Optics Letters, December 2017, Optical Society of America (OSA)

    Morgan Mitchell

  26. Floquet theory for atomic light-shift engineering with near-resonant polychromatic fields

    Article • Optics Express, December 2017, Optical Society of America (OSA)

    Morgan Mitchell

  27. Randomness in quantum mechanics: philosophy, physics and technology

    Article • Reports on Progress in Physics, November 2017, Institute of Physics Publishing

    Morgan Mitchell

  28. A significant-loophole-free test of Bell's theorem with entangled photons

    Article • October 2017, SPIE

    Morgan Mitchell

  29. Number-unconstrained quantum sensing

    Article • Quantum Science and Technology, August 2017, Institute of Physics Publishing

    Morgan Mitchell

  30. Entanglement-Enhanced Radio-Frequency Field Detection and Waveform Sensing

    Article • Physical Review Letters, July 2017, American Physical Society (APS)

    Morgan Mitchell

  31. Entanglement-Enhanced Phase Estimation without Prior Phase Information

    Article • Physical Review Letters, June 2017, American Physical Society (APS)

    Morgan Mitchell

  32. Sensitivity, quantum limits, and quantum enhancement of noise spectroscopies

    Article • April 2017, American Physical Society (APS)

    Morgan Mitchell

  33. Simultaneous tracking of spin angle and amplitude beyond classical limits

    Article • Nature, March 2017, Springer Science + Business Media

    Morgan Mitchell

  34. Fully-resonant, tunable, monolithic frequency conversion as a coherent UVA source

    Article • Optics Express, January 2017, Optical Society of America (OSA)

    Morgan Mitchell

  35. Quantum entropy source on an InP photonic integrated circuit for random number generation

    Article • Optica, September 2016, Optical Society of America (OSA)

    Morgan Mitchell

  36. Real-time shot-noise-limited differential photodetection for atomic quantum control

    Article • Optics Letters, June 2016, Optical Society of America (OSA)

    Morgan Mitchell

  37. Squeezed-light spin noise spectroscopy

    Article • May 2016, American Physical Society (APS)

    Morgan Mitchell

  38. Requirements for a loophole-free photonic Bell test using imperfect setting generators

    Article • March 2016, American Physical Society (APS)

    Morgan Mitchell

  39. Generation of Fresh and Pure Random Numbers for Loophole-Free Bell Tests

    Article • Physical Review Letters, December 2015, American Physical Society (APS)

    Morgan Mitchell

  40. Significant-Loophole-Free Test of Bell’s Theorem with Entangled Photons

    Article • Physical Review Letters, December 2015, American Physical Society (APS)

    Morgan Mitchell

  41. Strong Loophole-Free Test of Local Realism

    Article • Physical Review Letters, December 2015, American Physical Society (APS)

    Morgan Mitchell

  42. Quantum Nondemolition Measurement Enables Macroscopic Leggett-Garg Tests

    Article • Physical Review Letters, November 2015, American Physical Society (APS)

    Morgan Mitchell

  43. Absolute frequency references at 1529 and 1560  nm using modulation transfer spectroscopy

    Article • Optics Letters, October 2015, Optical Society of America (OSA)

    Morgan Mitchell

  44. Loophole-free Bell inequality violation using electron spins separated by 1.3 kilometres

    Article • Nature, October 2015, Springer Science + Business Media

    Morgan Mitchell

  45. Spontaneous $\mathcal{PT}$ symmetry breaking of a ferromagnetic superfluid in a gradient field

    Article • EPL (Europhysics Letters), September 2015, Institute of Physics Publishing

    Morgan Mitchell

  46. Long-term laser frequency stabilization using fiber interferometers

    Article • Review of Scientific Instruments, July 2015, American Institute of Physics

    Morgan Mitchell

  47. Passive Decoy-State Quantum Key Distribution with Coherent Light

    Article • Entropy, June 2015, MDPI AG

    Morgan Mitchell

  48. Macroscopic Quantum State Analyzed Particle by Particle

    Article • Physical Review Letters, March 2015, American Physical Society (APS)

    Morgan Mitchell

  49. Strong experimental guarantees in ultrafast quantum random number generation

    Article • Physical Review A, January 2015, American Physical Society (APS)

    Morgan Mitchell

  50. Theory of high gain cavity-enhanced spontaneous parametric down-conversion

    Article • Physical Review A, December 2014, American Physical Society (APS)

    Morgan Mitchell

  51. Shot-noise-limited magnetometer with sub-picotesla sensitivity at room temperature

    Article • Review of Scientific Instruments, November 2014, American Institute of Physics

    Morgan Mitchell

  52. Interferometric Measurement of the Biphoton Wave Function

    Article • Physical Review Letters, October 2014, American Physical Society (APS)

    Morgan Mitchell

  53. Atomic filtering for hybrid continuous-variable/discrete-variable quantum optics

    Article • Optics Express, October 2014, Optical Society of America (OSA)

    Morgan Mitchell

  54. Erratum: Optical Spin Squeezing: Bright Beams as High-Flux Entangled Photon Sources [Phys. Rev. Lett.111, 143601 (2013)]

    Article • Physical Review Letters, September 2014, American Physical Society (APS)

    Morgan Mitchell

  55. Optimal signal recovery for pulsed balanced detection

    Article • Physical Review A, September 2014, American Physical Society (APS)

    Dr Roberto de J. Leon-Montiel, Morgan Mitchell

  56. Generation of Macroscopic Singlet States in a Cold Atomic Ensemble

    Article • Physical Review Letters, August 2014, American Physical Society (APS)

    Morgan Mitchell

  57. Extreme spin squeezing for photons

    Article • New Journal of Physics, July 2014, Institute of Physics Publishing

    Morgan Mitchell

  58. Ultrasensitive Atomic Spin Measurements with a Nonlinear Interferometer

    Article • Physical Review X, June 2014, American Physical Society (APS)

    Morgan Mitchell

  59. Ultra-fast quantum randomness generation by accelerated phase diffusion in a pulsed laser diode

    Article • Optics Express, January 2014, Optical Society of America (OSA)

    Morgan Mitchell

  60. High-purity atom resonant pairs of indistinguishable photons via filtered down-conversion

    Article • January 2014, Optical Society of America (OSA)

    Morgan Mitchell

  61. Spin cooling via incoherent feedback in an ensemble of cold 87Rb atoms

    Article • January 2014, Optical Society of America (OSA)

    Morgan Mitchell

  62. Spin cooling via incoherent feedback in an ensemble of cold 87Rb atoms

    Article • January 2014, Optical Society of America (OSA)

    Morgan Mitchell

  63. Ultrafast Quantum Random Number Generation Using Off-the-shelf Components

    Article • January 2014, Optical Society of America (OSA)

    Morgan Mitchell

  64. Simulation of non-Abelian gauge theories with optical lattices

    Article • Nature Communications, October 2013, Springer Science + Business Media

    Morgan Mitchell

  65. Planar squeezing by quantum non-demolition measurement in cold atomic ensembles

    Article • New Journal of Physics, October 2013, Institute of Physics Publishing

    Morgan Mitchell

  66. Quantum atom–light interfaces in the Gaussian description for spin-1 systems

    Article • New Journal of Physics, October 2013, Institute of Physics Publishing

    Morgan Mitchell

  67. Optical Spin Squeezing: Bright Beams as High-Flux Entangled Photon Sources

    Article • Physical Review Letters, September 2013, American Physical Society (APS)

    Morgan Mitchell

  68. Feedback Cooling of an Atomic Spin Ensemble

    Article • Physical Review Letters, September 2013, American Physical Society (APS)

    Morgan Mitchell

  69. Macroscopic singlet states for gradient magnetometry

    Article • Physical Review A, July 2013, American Physical Society (APS)

    Morgan Mitchell

  70. Certified quantum non-demolition measurement of a macroscopic material system

    Article • Nature Photonics, May 2013, Springer Science + Business Media

    Morgan Mitchell

  71. Phase-stable source of polarization-entangled photons in a linear double-pass configuration

    Article • Optics Express, May 2013, Optical Society of America (OSA)

    Morgan Mitchell

  72. A continuous source of cold spin-polarized cold atoms

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  73. Entanglement-enhanced probing of a delicate material system

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  74. Fast and non-destructive vector field magnetometry with cold atomic ensembles

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  75. Quantum control of spin-correlations in ultracold lattice gases

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  76. Simultaneous observation of super-Heisenberg scaling and spin squeezing in a nonlinear measurement of atomic spins

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  77. Spin cooling via incoherent feedback in an ensemble of cold87Rb atoms

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  78. Ultra-bright source of polarization-entangled photons in a linear double-pass configuration

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  79. Real-time vector field tracking with a cold-atom magnetometer

    Article • Applied Physics Letters, April 2013, American Institute of Physics

    Morgan Mitchell

  80. Near-resonant optical forces beyond the two-level approximation for a continuous source of spin-polarized cold atoms

    Article • Physical Review A, March 2013, American Physical Society (APS)

    Morgan Mitchell

  81. Quantum control of spin correlations in ultracold lattice gases

    Article • Physical Review A, February 2013, American Physical Society (APS)

    Morgan Mitchell

  82. Quantum metrology with cold atomic ensembles

    Article • EPJ Web of Conferences, January 2013, EDP Sciences

    Morgan Mitchell

  83. Magnetic Sensitivity Beyond the Projection Noise Limit by Spin Squeezing

    Article • Physical Review Letters, December 2012, American Physical Society (APS)

    Morgan Mitchell

  84. Entanglement-enhanced probing of a delicate material system

    Article • Nature Photonics, December 2012, Springer Science + Business Media

    Morgan Mitchell

  85. Certified quantum non-demolition measurement of material systems

    Article • New Journal of Physics, August 2012, Institute of Physics Publishing

    Morgan Mitchell

  86. Fast beam steering with full polarization control using a galvanometric optical scanner and polarization controller

    Article • Optics Express, May 2012, Optical Society of America (OSA)

    Morgan Mitchell

  87. Efficient Quantification of Non-Gaussian Spin Distributions

    Article • Physical Review Letters, May 2012, American Physical Society (APS)

    Morgan Mitchell

  88. A high-brightness source of polarization-entangled photons optimized for applications in free space

    Article • Optics Express, April 2012, Optical Society of America (OSA)

    Morgan Mitchell

  89. Ultranarrow Faraday rotation filter at the Rb D_1 line

    Article • Optics Letters, February 2012, Optical Society of America (OSA)

    Morgan Mitchell

  90. Atomic Quantum Metrology with Polarization-Entangled States of Light

    Article • January 2012, Optical Society of America (OSA)

    Morgan Mitchell

  91. Collaboration and precision in quantum measurement

    Article • Physics Today, December 2011, American Institute of Physics

    Morgan Mitchell

  92. True random numbers from amplified quantum vacuum

    Article • Optics Express, October 2011, Optical Society of America (OSA)

    Morgan Mitchell

  93. Active and passive optical sources for QKD

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  94. Experimental light-squeezing-enhanced magnetometry

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  95. Generation of a macroscopic singlet state in an atomic ensemble

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  96. Improvement of an atomic measurement by multi-photon interference

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  97. Interaction-based quantum metrology giving a scaling beyond the Heisenberg limit

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  98. Many-particle pairwise entanglement induced by temporal anti-correlation of a Stokes parameter

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  99. Interaction-based quantum metrology showing scaling beyond the Heisenberg limit

    Article • Nature, March 2011, Springer Science + Business Media

    Morgan Mitchell

  100. High resolution magnetic vector-field imaging with cold atomic ensembles

    Article • Applied Physics Letters, February 2011, American Institute of Physics

    Morgan Mitchell

  101. Fast optical source for quantum key distribution based on semiconductor optical amplifiers

    Article • Optics Express, February 2011, Optical Society of America (OSA)

    Morgan Mitchell

  102. Atom-Resonant Heralded Single Photons by Interaction-Free Measurement

    Article • Physical Review Letters, February 2011, American Physical Society (APS)

    Morgan Mitchell

  103. Compact optical sources for quantum communications

    Article • January 2011, ACM (Association for Computing Machinery)

    Morgan Mitchell

  104. Generation of a macroscopic singlet state in an atomic ensemble

    Article • January 2011, Optical Society of America (OSA)

    Morgan Mitchell

  105. Nonlinear metrology with a quantum interface

    Article • New Journal of Physics, September 2010, Institute of Physics Publishing

    Morgan Mitchell

  106. 100 MHz Amplitude and Polarization Modulated Optical Source for Free-Space Quantum Key Distribution at 850 nm

    Article • Journal of Lightwave Technology, September 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  107. Quantum Nondemolition Measurement of Large-Spin Ensembles by Dynamical Decoupling

    Article • Physical Review Letters, August 2010, American Physical Society (APS)

    Morgan Mitchell

  108. Polarization change induced by a galvanometric optical scanner

    Article • Journal of the Optical Society of America A, August 2010, Optical Society of America (OSA)

    Morgan Mitchell

  109. Squeezed-Light Optical Magnetometry

    Article • Physical Review Letters, July 2010, American Physical Society (APS)

    Morgan Mitchell

  110. Generation of macroscopic singlet states in atomic ensembles

    Article • New Journal of Physics, May 2010, Institute of Physics Publishing

    Morgan Mitchell

  111. NOON states from cavity-enhanced down-conversion: high quality and super-resolution

    Article • Journal of the Optical Society of America B, March 2010, Optical Society of America (OSA)

    Morgan Mitchell

  112. Sub-Projection-Noise Sensitivity in Broadband Atomic Magnetometry

    Article • Physical Review Letters, March 2010, American Physical Society (APS)

    Morgan Mitchell

  113. Resonant interaction of a single atom with single photons from a down-conversion source

    Article • Physical Review A, January 2010, American Physical Society (APS)

    Dr. Albrecht Haase, Morgan Mitchell, Carsten Schuck

  114. 100 MHz Amplitude and Polarization Modulated Optical Source for Free-Space Quantum Communications at 850 nm

    Article • January 2010, Springer Science + Business Media

    Morgan Mitchell

  115. How to perform the most accurate possible phase measurements

    Article • Physical Review A, November 2009, American Physical Society (APS)

    Morgan Mitchell

  116. Unified description of inhomogeneities, dissipation and transport in quantum light–atom interfaces

    Article • Journal of Physics B Atomic Molecular and Optical Physics, September 2009, Institute of Physics Publishing

    Morgan Mitchell

  117. Demonstrating Heisenberg-limited unambiguous phase estimation without adaptive measurements

    Article • New Journal of Physics, July 2009, Institute of Physics Publishing

    Morgan Mitchell

  118. A single ion interacting with single spontaneous parametric down-conversion photons

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Albrecht Haase, Morgan Mitchell, Carsten Schuck

  119. Better-than-Heisenberg scaling of sensitivity with light and cold atomic ensembles

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  120. Narrow-band filter for quantum light

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  121. Rubidium resonant squeezed light from a diode-pumped optical parametric oscillator

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  122. Ultra-bright narrow-band down-conversion source for atom-photon interaction

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  123. Ultra-sensitive Faraday rotation measurements from an atom-light quantum interface

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Morgan Mitchell

  124. An entangled photon source for resonant single-photon–single-atom interaction

    Article • Journal of Physics B Atomic Molecular and Optical Physics, May 2009, Institute of Physics Publishing

    Dr. Albrecht Haase, Morgan Mitchell

  125. Parametric down-conversion from a wave-equation approach: Geometry and absolute brightness

    Article • Physical Review A, April 2009, American Physical Society (APS)

    Morgan Mitchell

  126. Polarization-based light-atom quantum interface with an all-optical trap

    Article • Physical Review A, April 2009, American Physical Society (APS)

    Morgan Mitchell

  127. Narrowband tunable filter based on velocity-selective optical pumping in an atomic vapor

    Article • Optics Letters, March 2009, Optical Society of America (OSA)

    Morgan Mitchell

  128. Ultra-Bright Narrow-Band Down-Conversion Source for Atom-Photon Interaction

    Article • January 2009, Optical Society of America (OSA)

    Morgan Mitchell

  129. Tunable narrowband entangled photon pair source for resonant single-photon single-atom interaction

    Article • Optics Letters, December 2008, Optical Society of America (OSA)

    Dr. Albrecht Haase, Morgan Mitchell

  130. Bright filter-free source of indistinguishable photon pairs

    Article • Optics Express, October 2008, Optical Society of America (OSA)

    Morgan Mitchell

  131. Detecting hidden differences via permutation symmetries

    Article • Physical Review A, September 2008, American Physical Society (APS)

    Morgan Mitchell