Publications

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2026
Jacob R. Gunnell, Stefan Krastanov, Ryan M. Camacho, and J. Gabriel Richardson, “Computational Optimization of ‘Genqo’: A Gaussian State Quantum Optics Modeling Engine,” 2026 Intermountain Engineering, Technology and Computing Conference (IETC), May 8, 2026. DOI: 10.1109/IETC69527.2026.11568624. Link: https://ieeexplore.ieee.org/document/11568624/ (opens in a new tab)

Siavash Mirzaei-Ghormish, Jeddy Bennett, Ryan M. Camacho, “High-efficiency vertical emission spin-photon interface for scalable quantum memories,” Quantum, Vol. 10, page 2035, March 20, 2026. DOI: 10.22331/q-2026-03-20-2035. Link: https://quantum-journal.org/papers/q-2026-03-20-2035/ (opens in a new tab)

Stephen B. Griffith, Siavash Mirzaei-Ghormish, Ryan M. Camacho, Daniel E. Smalley, “Update on temporal trapping and holographic printer,” Practical Holography XXXX: Displays, Materials, and Applications, Vol. 13917, pp. 8–10, March 4, 2026. Publisher: SPIE. DOI: 10.1117/12.3084853. Link: https://www.spiedigitallibrary.org/conference-proceedings-of-spie/13917/1391703/Update-on-temporal-trapping-and-holographic-printer/10.1117/12.3084853.full (opens in a new tab)

2025
S Mirzaei-Ghormish, Ryan M Camacho, "Nonlinear optical binding" Physical Review Applied, Vol. 23, April 2024. https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.23.044044 (opens in a new tab)

S Mirzaei-Ghormish, D Smalley, R Camacho, "Nonlinear multistable potential traps" Physical Review A, vol. 111, January 2025. https://journals.aps.org/pra/abstract/10.1103/PhysRevA.111.013514 (opens in a new tab)

2024
Siavash Mirzaei-Ghormish, S Griffith, Daniel Smalley, Ryan M Camacho, "Optical trapping of large metallic particles in air" Physical Review Applied, vol. 22, December 2024. https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.22.064042 (opens in a new tab)

Christian Carver, Jared Marchant, Benjamin Fisher, Nicholas Townsend, Tyler Stowell, Austin Barlow, Benjamin Arnesen, Shiuh-Hua Wood Chiang, Ryan M Camacho "Integrated Differential Conjugate Homodyne Detection for Quantum Random Number Generation" (preprint), December 2024. https://arxiv.org/abs/2412.02077 (opens in a new tab)

Michael J Probst, Jacob M Hiesener, Leticia Magalhaes, CJ Xin, Benjamin Szamosfalvi, Ryan M Camacho, Marko Lončar, Stephen E Ralph, "On Topology Optimization Enhancements for Thin-Film Lithium Niobate" in 2024 IEEE Photonics Society Summer Topicals Meeting Series (SUM), July 2024. https://ieeexplore.ieee.org/abstract/document/10614506 (opens in a new tab)

Ryan M Camacho, "Co-design of quantum photonic and electronic circuits for differential homodyne detection" in Quantum Information Science, Sensing, and Computation XVI, June 2024. https://www.spiedigitallibrary.org/conference-proceedings-of-spie/PC13028/PC130280E/Co-design-of-quantum-photonic-and-electronic-circuits-for-differential/10.1117/12.3023118.full (opens in a new tab)

Helaman R Flores, Samuel R Layton, Dirk Englund, Ryan M Camacho, "Alignment-free coupling to arrays of diamond microdisk cavities with fabrication tolerant spin-photon interfaces" Optics Express, vol. 32, March 2024. https://opg.optica.org/oe/fulltext.cfm?uri=oe-32-7-12054&id=548083 (opens in a new tab)

Parker A Awerkamp, David Hill, Davin Fish, Kimi Wright, Brandt Bashaw, Gregory P Nordin, Ryan M Camacho, "Self-Sustaining Water Microdroplet Resonators Using 3D-Printed Microfluidics" Micromachines, vol. 15, March 2024. https://www.mdpi.com/2072-666X/15/4/423 (opens in a new tab)

Nicholas John Hartley, Daniel Hodge, Taylor Buckway, Ryan Camacho, Paul Chow, Eric Christie, Arianna Gleason, Siegfried Glenzer, Aliaksei Halavanau, Abi Mae Hardy, Colin Recker, Sean Sheehan, Sharon Shwartz, Hilary Tarvin, Michael Ware, Joseph Wunschel, Yuming Xiao, RL Sandberg, Gary Walker, "Confirming X-ray parametric down conversion by time–energy correlation" Results in Physics vol. 57, 107328, February 2024. https://www.sciencedirect.com/science/article/pii/S221137972400010X (opens in a new tab)

2023

Helaman R Flores, Samuel R Layton, Dirk Englund, Ryan M Camacho, "Alignment-Free Coupling to Arrays of Diamond Microdisk Cavities for Scalable Spin-Photon Interfaces" https://arxiv.org/pdf/2312.05638.pdf (opens in a new tab)

Parker A Awerkamp, David Hill, Davin Fish, Kimi Wright, Brandt Bashaw, Gregory P Nordin, Ryan M Camacho, "Self-Sustaining Water Microdroplet Resonators Using 3D Printed Microfluidics" https://opg.optica.org/abstract.cfm?uri=FiO-2023-FTh1C.2 (opens in a new tab)

NJ Hartley, D Hodge, T Buckway, R Camacho, P Chow, E Christie, A Gleason, S Glenzer, A Halavanau, AM Hardy, C Recker, S Sheehan, S Shwartz, H Tarvin, M Ware, J Wunschel, Y Xiao, RL Sandberg, G Walker, "Confirming X-ray Parametric Down Conversion by Time-Energy Correlation" https://arxiv.org/html/2309.13197v2 (opens in a new tab)

Kimi S Wright, Parker A Awerkamp, David Hill, Brandt Bashaw, Dean Van Woerkom, Davin Fish, Gregory P Nordin, Ryan M Camacho, "Freezing Optically Clear Microdroplets in a Laboratory Setting" https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=10152156 (opens in a new tab)

Elise Bangerter, Ryan Camacho, "Inverse Design of a 2x2 Coupler" https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=10152178 (opens in a new tab)

Helaman Flores, Benjamin Szamosfalvi, Yuqin Duan, Ian Hammond, Ryan Camacho, Dirk Englund, "Optimized Free Space Emission from Layered Diamond Microdisk Resonators" https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=10152248 (opens in a new tab)

Benjamin Fisher, Benjamin Arnesen, Tyler Stowell, Jared Marchant, Christian Carver, Ryan M Camacho, Shiuh-hua Wood Chiang, "Co-design of Transimpedance Amplifiers and Photonic Quantum Random Number Generators" https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=10152144 (opens in a new tab)

Abigail Mae Hardy, Nicholas J Hartley, Daniel Hodge, Sean Sheehan, Eric Christie, Taylor Buckway, David Allred, Michael Ware, Shiuh-hua Wood Chiang, Alex Halavanau, Hilary Tarvin, Joseph Wunschel, Yuming Xiao, Paul Chow, Arianna E Gleason, Ryan Camacho, Gary Walker, Richard L Sandberg, "Evidence of Parametrically Down-Converted Photon Pairs in the X-Ray Spectrum," Optica Imaging Congress (2023) (opens in a new tab)

Siavash Mirzaei-Ghormish, S Griffith, Daniel Smalley, Ryan M Camacho, "Optical Trapping of Large Metallic Particles in Air," in arXiv preprint arXiv (opens in a new tab)

S Mirzaei-Ghormish, DE Smalley, M Shahabadi, M Mohammad-Taheri, Ryan M Camacho, "Hybrid dielectric slot-plasmonic ring resonator for Purcell enhancement," Phys. Scr. 98, 115030, 2023 (opens in a new tab)

2022

Ian M. Hammond, Alec M. Hammond, and Ryan M. Camacho, "Deep learning-enhanced, open-source eigenmode expansion," Opt. Lett. 47, 1383-1386 (2022) (opens in a new tab)

Galan Moody et al 2022 J. Phys. Photonics 4 012501 (opens in a new tab)

Parker A. Awerkamp, Davin Fish, Madison King, David Hill, Gregory P. Nordin, Ryan M. Camacho, "3D printed mounts for microdroplet resonators" Opt. Express 30, 1599-1606 (2022) (opens in a new tab)

2021

K. Larson, A. Hammond, C. Carver, D. Anderson, M. Viglione, M. Boaks, G. Nordin, and R. Camacho, "Post-fabrication tuning of microring resonators using 3D-printed microfluidics," Opt. Lett. 46, 4650-4653 (2021) (opens in a new tab)

I. M. Hammond, Y. Duan, M. E. Trusheim, D. R. Englund, and R. M. Camacho, "Microdisk Design for Vertical Collection from Quantum Emitters," in Frontiers in Optics + Laser Science 2021 (opens in a new tab)

Christian Carver, Mawla Boaks, JuHang Kim, Kevin Larson, Gregory P. Nordin, Ryan M. Camacho, "Photonic Tuning of Silicon Ring Resonators Using an Automated Microfluidic Mixer" CLEO: Applications and Technology, ATh4G. 4 (opens in a new tab)

Ian M. Hammond, Alec M. Hammond, Ryan M. Camacho, "Simulating Optical Field Mode Profiles using Artificial Neural Networks for use in Open Source Eigenmode Expansion" CLEO: Science and Innovations, JW1A. 72 (opens in a new tab)

Ryan M. Camacho, "Open Source Photonics Simulation for Quantum Applications" Photonics for Quantum, 11844, 118440O (opens in a new tab)

Christian Carver, Mawla Boaks, JuHang Kim, Kevin Larson, Gregory P Nordin, Ryan M. Camacho, "Automated photonic tuning of silicon microring resonators using a 3D-printed microfluidic mixer" OSA Continuum, 4, 2075-2081 (opens in a new tab)

Galan Moody, Ryan M. Camacho, et al. "Roadmap on Integrated Quantum Photonics" arXiv (preprint), arXiv:2102.03323 (opens in a new tab)

2020

Kevin Larson, Alec Hammond, Christian Carver, Derek Anderson, Mawla Boaks, Matthew Viglione, Greg Nordin, Ryan M. Camacho, "Zero-energy tuning of silicon photonic devices using 3D-printed microfluidics" Frontiers in Optics, FTu6B.2 (opens in a new tab)

Bing Qi, Hyrum Gunther, Philip G. Evans, Brian Williams, Ryan M. Camacho, Nicholas A Peters, "Passive-state preparation for continuous-variable quantum key distribution" Laser Science, LM1F.4 (opens in a new tab)

Bing Qi, Hyrum Gunther, Philip G. Evans, Brian Williams, Ryan M. Camacho, Nicholas A Peters, "Experimental Passive-State Preparation for Continuous-Variable Quantum Communications"Physical Review Applied, 13, 054065(2020) (opens in a new tab)

Easton Potokar, Scott Collings, Alec M Hammond, Ryan Camacho, "Rapid Simulation of Scattering Parameters for Coupled Waveguides with Arbitrary Geometries" Journal of Lightwave Technology (early access), 1 (2020). (opens in a new tab)

Sequoia Ploeg, Hyrum Gunther, Ryan Camacho, "Simphony: An open-source photonic integrated circuit simulation framework" Computing in Science & Engineering (early access), 1 (2020). (opens in a new tab)

Ryan Camacho, Davin Fish, M Simmons, Parker Awerkamp, Rebecca Anderson, Stephanie Carlson, Joshua Laney, Matthew Viglione, Gregory P Nordin, "Self‐Sustaining 3D Thin Liquid Films in Ambient Environments" Advanced Materials Interfaces 7 (9), 1901887 (2020) (opens in a new tab)

2019

Alec M. Hammond, Ryan M. Camacho, "Designing Silicon Photonic Devices using Artificial Neural Networks", Optics Express, 27, 9620 (2019) (opens in a new tab)

Alec M Hammond, Easton Potokar, Ryan M Camacho, "Accelerating Silicon Photonic Parameter Extraction using Artificial Neural Networks", OSA Continuum, 2, 1964 (2019). (opens in a new tab)(Editor's Pick)

2018

Alec M. Hammond, Ian W. Frank, Ryan M. Camacho, "Error Correction in Structured Optical Receivers," IEEE Journal of Selected Topics in Quantum Electronics, 24, 1 (2018). (opens in a new tab)

D. Bunandar et al., “Metropolitan Quantum Key Distribution with Silicon Photonics,” Physical Review X, 8, 021009 (2018 (opens in a new tab)).

Pre-BYU

2017

H. Cai et al., “Silicon photonic transceiver circuit for high-speed polarization-based discrete variable quantum key distribution,” Optics Express, 25, 12282 (2017). (opens in a new tab)

T. Schröder et al., “Scalable focused ion beam creation of nearly lifetime-limited single quantum emitters in diamond nanostructures,” Nature Communications 8, 15376 (2017). (opens in a new tab)

S. Liu et al., “High speed ultra-broadband amplitude modulators with ultrahigh extinction >65 dB,” Optics Express 25, 11254 (2017) (opens in a new tab).

2016

M. Sarovar et al., “Silicon nanophotonics for scalable quantum coherent feedback networks,” EPJ Quantum Technology 3, 14, (2016 (opens in a new tab)).

A. Sipahigil et al., “An integrated diamond nanophotonics platform for quantum optical networks,” Science 354, 847, (2016 (opens in a new tab)).

2015

D. B. S. Soh et al., “Self-referenced continuous-variable quantum key distribution,” Physical Review X 5, 041010 (2015) (opens in a new tab).

2014

S. M. Hendrickson, A. C. Foster, R. M. Camacho, and B. D. Clader, “Integrated nonlinear photonics: emerging applications and ongoing challenges [Invited],” Journal of the Optical Society of America B, 31, 3193, (2014 (opens in a new tab)).

2013

B. D. Clader, S. M. Hendrickson, R. M. Camacho, and B. C. Jacobs, “All-optical microdisk switch using EIT,” Optics Express, 21 6169 (2013 (opens in a new tab)).

S. M. Hendrickson et al., “All-optical-switching demonstration using two-photon absorption and the Zeno effect,” Physical Review A, 87, 023808 (2013) (opens in a new tab).

2012

R. M. Camacho, “Entangled photon generation using four-wave mixing in azimuthally symmetric microresonators,” Optics Express, 20, 21977 (2012 (opens in a new tab)).

P. T. Rakich, C. Reinke, R. Camacho, P. Davids, and Z. Wang, “Giant Enhancement of Stimulated Brillouin Scattering in the Subwavelength Limit,” Physical Review X, 2, 011008 (2012). (opens in a new tab)

2010

P. K. Vudyasetu, R. M. Camacho, and J. C. Howell, “Rapidly reconfigurable slow-light system based on off-resonant Raman absorption,” Physical Review A, 82, 053807 (2010) (opens in a new tab).

Q. Lin et al., “Coherent mixing of mechanical excitations in nano-optomechanical structures,” Nature Photonics, 4, 236 (2010) (opens in a new tab).

2009

M. Eichenfield, J. Chan, R. M. Camacho, K. J. Vahala, and O. Painter, “Optomechanical crystals,” Nature, 462, 78, (2009). (opens in a new tab)

R. M. Camacho, J. Chan, M. Eichenfield, and O. Painter, “Characterization of radiation pressure and thermal effects in a nanoscale optomechanical cavity,” Opt. Express, 17, 15726 (2009 (opens in a new tab)).

M. Eichenfield, R. Camacho, J. Chan, K. J. Vahala, and O. Painter, “A picogram- and nanometre-scale photonic-crystal optomechanical cavity,” Nature, 459, 550 (2009). (opens in a new tab)

J. Chan, M. Eichenfield, R. Camacho, and O. Painter, “Optical and mechanical design of a 'zipper' photonic crystal optomechanical cavity,” Optics Express, 17, 3802 (2009) (opens in a new tab).

R. M. Camacho, P. K. Vudyasetu, and J. C. Howell, “Four-wave-mixing stopped light in hot atomic rubidium vapour,” Nature Photonics, 3, 103 (2009). (opens in a new tab)

R. M. Camacho, P. B. Dixon, R. T. Glasser, A. N. Jordan, and J. C. Howell, “Realization of an All-Optical Zero to π Cross-Phase Modulation Jump,” Physical Review Letters, 102, 013902 (2009). (opens in a new tab)

2008

C. J. Broadbent, R. M. Camacho, R. Xin, and J. C. Howell, “Preservation of Energy-Time Entanglement in a Slow Light Medium,” Physical Review Letters, 100, 133602, (2008 (opens in a new tab)).

P. K. Vudyasetu, R. M. Camacho, and J. C. Howell, “Storage and Retrieval of Multimode Transverse Images in Hot Atomic Rubidium Vapor,” Physical Review Letters, 100, 123903 (2008) (opens in a new tab).

2007

Z. Shi, R. W. Boyd, R. M. Camacho, P. K. Vudyasetu, and J. C. Howell, “Slow-Light Fourier Transform Interferometer,” Physical Review Letters, 99, 240801 (2007 (opens in a new tab)).

M. V. Pack, R. M. Camacho, and J. C. Howell, “Transients of the electromagnetically-induced-transparency-enhanced refractive Kerr nonlinearity,” Physical Review A, 76, 033835, (2007 (opens in a new tab)).

M. V. Pack, R. M. Camacho, and J. C. Howell, “Electromagnetically induced transparency line shapes for large probe fields and optically thick media,” Physical Review A, 76, 013801, (2007 (opens in a new tab)).

R. M. Camacho, M. V. Pack, J. C. Howell, A. Schweinsberg, and R. W. Boyd, “Wide-Bandwidth, Tunable, Multiple-Pulse-Width Optical Delays Using Slow Light in Cesium Vapor,” Physical Review Letters, 98, 153601, (2007 (opens in a new tab)).

R. M. Camacho, C. J. Broadbent, I. Ali-Khan, and J. C. Howell, “All-Optical Delay of Images using Slow Light,” Physical Review Letters, 98, 043902 (2007 (opens in a new tab)).

2006

R. M. Camacho, M. V. Pack, and J. C. Howell, “Slow light with large fractional delays by spectral hole-burning in rubidium vapor,” Physical Review A, 74, 033801 (2006). (opens in a new tab)

M. V. Pack, R. M. Camacho, and J. C. Howell, “Transients of the electromagnetically-induced-transparency-enhanced refractive Kerr nonlinearity: Theory,” Physical Review A, 74, 013812 (2006). (opens in a new tab)

R. M. Camacho, M. V. Pack, and J. C. Howell, “Low-distortion slow light using two absorption resonances,” Physical Review A, 73, 063812 (2006). (opens in a new tab)