# Journal publications ## expand\_more #### Current Research **2026** \[63\] **Multi-Qubit Stabilizer Readout on a Dual-Species Rydberg Array** Yu Wang, Ryan Cimmino, Kenneth Wang, Santiago Lopez, Jeffrey Li, Jin Ming Koh, Jonathan N. Hallén, Anne Matthies, Norman Y. Yao, Kang-Kuen Ni [arXiv:2605.10924 (2026)](https://arxiv.org/abs/2605.10924) \[62\] **Absence of Far-Detuned Attractive Optical Traps for Alkali Rydberg Atoms** Gabriel E. Patenotte, Youngshin Kim, Samuel Gebretsadkan, Kang-Kuen Ni [arXiv:2603.24789 (2026)](https://arxiv.org/abs/2603.24789) \[61\] **Simultaneous nondestructive measurement of many polar molecules using Rydberg atoms** Jeremy T. Young, Kang-Kuen Ni, Alexey V. Gorshkov [arXiv:2601.08921v1 (2026)](https://arxiv.org/abs/2601.08921v1) **2025** \[60\] **Data-insensitive cooling of polar molecules with Rydberg atoms** Jeremy T. Young, Ron Belyansky, Kang-Kuen Ni, Alexey V. Gorshkov [arXiv:2507.10671 (2025)](https://arxiv.org/pdf/2507.10671) \[59\] **Probing dipolar interactions between Rydberg atoms and ultracold polar molecules** Lingbang Zhu, Jeshurun Luke, Roy Shaham, Yi-Xiang Liu, Kang-Kuen Ni [Phys. Rev. Lett. 135, 153001](https://journals.aps.org/prl/abstract/10.1103/48rk-sxfs) [arXiv:2504.06977 (2025)](https://arxiv.org/abs/2504.06977) **2024** \[58\] **A conveyor-belt magneto-optical trap of CaF** Scarlett S. Yu, Jiaqi You, Yicheng Bao, Loic Anderegg, Christian Hallas, Grace K. Li, Dongkyu Lim, Eunmi Chae, Wolfgang Ketterle, Kang-Kuen Ni, John M. Doyle [arXiv:2409.15262 (2024)](https://arxiv.org/abs/2409.15262) \[57\] **Hyperfine-to-rotational energy transfer in ultracold atom-molecule collisions of Rb and KRb** Yi-Xiang Liu, Lingbang Zhu, Jeshurun Luke, Mark C. Babin, Marcin Gronowski, Hela Ladjimi, Michal Tomza, John L. Bohn,Timur V. Tscherbul, Kang-Kuen Ni [*Nature Chemistry* Vol **17**, 688–694 (2025)](https://www.nature.com/articles/s41557-025-01778-z), [arXiv:2407.08891 (2024)](https://arxiv.org/abs/2407.08891) \[56\] **Entanglement and iSWAP Gate between Molecular Qubits** Lewis R.B. Picard\*, Annie J. Park\*, Gabriel E. Patenotte, Samuel Gebretsadkan, David Wellnitz, Ana Maria Rey, Kang-Kuen Ni [*Nature* **Vol** **637**, 821–826 (2025),](https://www.nature.com/articles/s41586-024-08177-3)[ ](https://www.nature.com/articles/s41586-024-08177-3) [arXiv:2406.15345 (2024)](https://arxiv.org/abs/2406.15345) \[55\] **Probing critical phenomena in open quantum systems using atom arrays** Fang Fang\*, Kenneth Wang\*, Vincent S. Liu\*, Yu Wang\*, Ryan Cimmino, Julia Wei, Marcus Bintz, Avery Parr, Jack Kemp, Kang-Kuen Ni, Norman Y. Yao [Science, Vol 390:6773, pp. 601-605 (2025)](https://www.science.org/doi/10.1126/science.adq0278) [arXiv:2402.15376 (2024)](https://arxiv.org/abs/2402.15376) \[54\] **Reaction Interferometry with Ultracold Molecules** Jeshurun Luke, Lingbang Zhu, Yi-Xiang Liu, Kang-Kuen Ni [Faraday Discussions, 251, 63 - 75 (2024)](https://pubs.rsc.org/en/content/articlelanding/2024/fd/d3fd00175j) \[53\] **Site-selective preparation and multi-state readout of molecules in optical tweezers** Lewis R. B. Picard\*, Gabriel E. Patenotte\*, Annie J. Park\*, Samuel F. Gebretsadkan, Kang-Kuen Ni [PRX Quantum 5, 020344(2024)](https://journals.aps.org/prxquantum/abstract/10.1103/PRXQuantum.5.020344) [arXiv:2401.13659 (2024)](https://arxiv.org/abs/2401.13659) **2023** \[52\] **Quantum interference in atom-exchange reactions** Yi-Xiang Liu\*, Lingbang Zhu\*, Jeshurun Luke, J. J. Arfor Houwman, Mark C. Babin, Ming-Guang Hu, Kang-Kuen Ni [Science 384, 1117 (2024) Free Access](https://www.science.org/stoken/author-tokens/ST-1877/full) [arXiv:2310.07620 (2023)](https://arxiv.org/abs/2310.07620) \[51\] **Raman sideband cooling of molecules in an optical tweezer array to the 3-D motional ground state** Yicheng Bao, Scarlett S. Yu, Jiaqi You, Loïc Anderegg, Eunmi Chae, Wolfgang Ketterle, Kang-Kuen Ni, John M. Doyle [PRX 14, 031002 (2024)](https://journals.aps.org/prx/abstract/10.1103/PhysRevX.14.031002) [arXiv:2309.08706 (2023)](https://arxiv.org/abs/2309.08706) \[50\] **Extended rotational coherence of polar molecules in an elliptically polarized trap** Annie J. Park\*. Lewis R.B. Picard\*, Gabriel E. Patenotte, Jessie T. Zhang, Till Rosenband, Kang-Kuen Ni [PRL 131, 183401 (2023)](https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.131.183401) [arXiv:2306.07264 (2023)](https://arxiv.org/abs/2306.07264) \[49\] **High resolution photoassociation spectroscopy of the excited c3Σ+1 potential of 23Na133Cs** Lewis R. B. Picard, Jessie T. Zhang, William B. Cairncross, Kenneth Wang, Gabriel E. Patenotte, Annie J. Park, Yichao Yu, Lee R. Liu, Jonathan D. Hood, Rosario González-Férez, Kang-Kuen Ni [Phys. Rev. Research 5, 023149 (2023)](https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.5.023149) [arxiv.org/abs/2302.09113 (2023)](https://arxiv.org/abs/2302.09113) **2022** \[48\] **Bimolecular chemistry in the ultracold regime** Yu Liu, Kang-Kuen Ni [Annual Review of Physical Chemistry 73:73-96 (2022) ](https://www.annualreviews.org/doi/abs/10.1146/annurev-physchem-090419-043244?casa_token=8kbhk6dY1XEAAAAA%3AEvIyeeTG3q4sW-IgZu3Q3JkQRfxvf3klJ1K2wpmuQIhFk-yCbIjbbtDD0csqcpADcRmNea0wkmZZtw)[arXiv:2107.01088 (2021)](https://arxiv.org/abs/2107.01088) \[47\] **Dipolar spin-exchange and entanglement between molecules in an optical tweezer array** Yicheng Bao, Scarlett S. Yu, Loïc Anderegg, Eunmi Chae, Wolfgang Ketterle, Kang-Kuen Ni, John M. Doyle [Science 382, 1138 (2023)](https://www.science.org/doi/10.1126/science.adf8999) [arxiv.org/abs/2211.09780v1 (2022)](https://arxiv.org/abs/2211.09780v1) \[46\] **Fast optical transport of ultracold molecules over long distances** Yicheng Bao, Scarlett S. Yu, Loïc Anderegg, Sean Burchesky, Derick Gonzalez-Acevedo, Eunmi Chae, Wolfgang Ketterle, Kang-Kuen Ni, John M. Doyle [New J. Phys. 24 093028 (2022)](https://iopscience.iop.org/article/10.1088/1367-2630/ac900f) [arxiv.org/abs/2205.06334](https://arxiv.org/abs/2205.06334) \[45\] **Enriching the quantum toolbox of ultracold molecules with Rydberg atoms** Kenneth Wang, Conner P. Williams, Lewis R. B. Picard, Norman Y. Yao, and Kang-Kuen Ni [PRX Quantum 3, 030339 (2022)](https://journals.aps.org/prxquantum/abstract/10.1103/PRXQuantum.3.030339) [arXiv:2204.05293 (2022)](/file_url/356) **2021** \[44\] **An Optical tweezer array of ground-state polar molecules** Jessie T. Zhang, Lewis R. B. Picard, William B. Cairncross, Kenneth Wang, Yichao Yu, Fang Fang, Kang-Kuen Ni [Quantum Sci. Technol. 7, 035006 (2022)](https://iopscience.iop.org/article/10.1088/2058-9565/ac676c/pdf) [arXiv:2112.00991 (2021)](https://arxiv.org/abs/2112.00991) \[43\] **Detection of long-lived complexes in ultracold atom-molecule collisions** Matthew A. Nichols, Yi-Xiang Liu, Lingbang Zhu, Ming-Guang Hu, Yu Liu, and Kang-Kuen Ni [Phys. Rev. X 12, 011029 (2022)](https://journals.aps.org/prx/abstract/10.1103/PhysRevX.12.011049) [arXiv:2105.14960 (2021)](https://arxiv.org/abs/2105.14960) \[42\] **Quantum science with optical tweezer arrays of ultracold atoms and molecules** Adam Kaufman and Kang-Kuen Ni [Nature Physics 17, 1324–1333 (2021)](https://www.nature.com/articles/s41567-021-01357-2) \[41\] **Model for nuclear spin product-state distributions of ultracold chemical reactions in magnetic fields** Goulven Quéméner, Ming-Guang Hu, Yu Liu, Matthew A. Nichols, Lingbang Zhu, and Kang-Kuen Ni [Phys. Rev. A 201, 052817 (2021)](https://journals.aps.org/pra/abstract/10.1103/PhysRevA.104.052817) [arXiv:2111.01453 (2021)](https://arxiv.org/abs/2111.01453) \[40\] **Rotational Coherence Times of Polar Molecules in Optical Tweezers** Sean Burchesky, Loïc Anderegg, Yicheng Bao, Scarlett S Yu, Eunmi Chae, Wolfgang Ketterle, Kang-Kuen Ni, John M Doyle [Phys. Rev. Lett. 127, 123202 (2021)](https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.123202) [arXiv:2105.15199 (2021)](https://arxiv.org/abs/2105.15199) \[39\] **Observation of microwave shielding of ultracold molecules** Loïc Anderegg, Sean Burchesky, Yicheng Bao, Scarlett S Yu, Tijs Karman, Eunmi Chae, Kang-Kuen Ni, Wolfgang Ketterle, John M Doyle [Science 373, 779 (2021)](https://www.science.org/doi/10.1126/science.abg9502) [arXiv:2102.04365 (2021)](https://arxiv.org/abs/2102.04365) \[38\] **Assembly of a rovibrational ground state molecule in an optical tweezer** William B. Cairncross\*, Jessie T. Zhang\*, Lewis R. B. Picard, Yichao Yu, Kenneth Wang, Kang-Kuen Ni [Phys. Rev. Lett. 126, 123402 (2021)](https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.126.123402) [arXiv:2101.03168 (2021)](https://arxiv.org/abs/2101.03168) *PRL Editor's suggestion* \[37\] **Quantum Simulators: Architectures and Opportunities**, Ehud Altman, Kenneth R. Brown, Giuseppe Carleo, Lincoln D. Carr, Eugene Demler, Cheng Chin, Brian DeMarco, Sophia E. Economou, Mark A. Eriksson, Kai-Mei C. Fu, Markus Greiner, Kaden R. A. Hazzard, Randall G. Hulet, Alicia J. Kollar, Benjamin L. Lev, Mikhail D. Lukin, Ruichao Ma, Xiao Mi, Shashank Misra, Christopher Monroe, Kater Murch, Zaira Nazario, Kang-Kuen Ni, Andrew C. Potter, Pedram Roushan, Mark Saffman, Monika Schleier-Smith, Irfan Siddiqi, Raymond Simmonds, Meenakshi Singh, I. B. Spielman, Kristan Temme, David S. Weiss, Jelena Vuckovic, Vladan Vuletic, Jun Ye, Martin Zwierlein [PRX Quantum 2, 017003 (2021)](https://journals.aps.org/prxquantum/abstract/10.1103/PRXQuantum.2.017003) [arxiv.org/abs/1912.06938](https://arxiv.org/abs/1912.06938) **2020** \[36\] **Precision test of statistical dynamics with state-to-state ultracold chemistry** Yu Liu\*, Ming-Guang Hu\*, Matthew A. Nichols, D. Yang, D. Xie, H. Guo, Kang-Kuen Ni [Nature 593, 379-384 (2021)](https://rdcu.be/ckUYi) [arXiv:2012.15842 (2020)](https://arxiv.org/abs/2012.15842) *Featured in* [*Harvard Gazette*](https://news.harvard.edu/gazette/story/2021/05/researchers-design-new-experiments-to-map-and-test-the-quantum-realm/)*,* [*Chemistry World*](https://www.chemistryworld.com/news/reaction-between-ultracold-molecules-reveals-limits-of-quantum-statistics/4013742.article)*, and* [*Physics World*](https://physicsworld.com/a/chemistry-gets-put-to-a-quantum-test/) \[35\] **Coherent optical creation of a single molecule** Yichao Yu\*, Kenneth Wang\*, Jonathan D. Hood, Lewis R. B. Picard, Jessie T. Zhang, William B. Cairncross, Jeremy M. Hutson, Rosario Gonzalez-Ferez, Till. Rosenband, Kang-Kuen Ni [Phys. Rev. X 11, 031061 (2021)](https://journals.aps.org/prx/abstract/10.1103/PhysRevX.11.031061) [arXiv:2012.09043 (2020)](https://arxiv.org/abs/2012.09043) \[34\] **Reduction of laser intensity noise over 1 MHz band for single atom trapping** Yu Wang, Kenneth Wang, Elliot Fenton, Yen-Wei Lin, Kang-Kuen Ni, and Jonathan D. Hood [Optics Express 28, 31209-31215(2020)](https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-28-21-31209&id=440250) [arXiv:2008.03504(2020)](/file_url/361) \[33\] **Nuclear spin conservation enables state-to-state control of ultracold molecular reactions** Ming-Guang Hu\*, Yu Liu\*, Matthew A. Nichols, Lingbang Zhu, Goulven Quemener, Olivier Dulieu, and Kang-Kuen Ni [Nature Chemistry 13, 435-440 (2021)](https://rdcu.be/ccR34) [arXiv:2005.10820 (2020)](https://arxiv.org/abs/2005.10820) \[32\] **Forming a single molecule by magnetoassociation in an optical tweezer** Jessie T. Zhang, Yichao Yu, William B. Cairncross, Kenneth Wang, Lewis R. B. Picard, Jonathan D. Hood, Yen-wei Lin, Jeremy M. Hutson, Kang-Kuen Ni [Phys. Rev. Lett. 124, 253401 (2020)](https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.253401) [arXiv:2003.07850(2020)](https://arxiv.org/abs/2003.07850) *PRL Editor's suggestion, featured in* [*APS Physics*](https://physics.aps.org/articles/v13/s86) *and* [*Physics World*](https://physicsworld.com/a/researchers-form-single-molecule-in-an-optical-tweezer/) \[31\] **Photo-excitation of long-lived transient intermediates in ultracold reactions** Yu Liu\*, Ming-Guang Hu\*, Matthew A. Nichols, David D. Grimes, Tijs Karman, Hua Guo, Kang-Kuen Ni [Nature Physics 16, 1132–1136 (2020)](https://www.nature.com/articles/s41567-020-0968-8) [arXiv:2002.05140 (2020)](https://arxiv.org/abs/2002.05140) *Featured in* [*Scientific American*](https://www.scientificamerican.com/article/ultracold-molecule-mystery-solved/) \[30\] **Observation of Collisions between Two Ultracold Ground-State CaF Molecules** Lawrence W. Cheuk, Loïc Anderegg, Yicheng Bao, Sean Burchesky, Scarlett Yu, Wolfgang Ketterle, Kang-Kuen Ni, John M. Doyle [Phys. Rev. Lett. 125, 043401 (2020)](https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.125.043401) [arXiv:2002.00048 (2020)](https://arxiv.org/abs/2002.00048) **2019** \[29\] **Probing Ultracold Chemistry using Ion Spectrometry** Yu Liu\*, David D. Grimes\*, Ming-Guang Hu\*, Kang-Kuen Ni [Phys. Chem. Chem. Phys. 22, 4861-4874 (2020)](https://doi.org/10.1039/C9CP07015J) [arXiv.1912.12741(2019)](https://arxiv.org/abs/1912.12741) \[28\] **Direct Observation of Bimolecular Reactions of Ultracold KRb Molecules**, Ming-Guang Hu\*, Yu Liu\*, David D. Grimes, Yen-Wei Lin, Andrei H. Gheorghe, Romain Vexiau, Nadia Bouloufa-Maafa, Olivier Dulieu, Till Rosenband, and Kang-Kuen Ni [Science 366, 1111 (2019)](http://science.sciencemag.org/cgi/rapidpdf/366/6469/1111?ijkey=Zg4DOEhQBEDlA&keytype=ref&siteid=sci) [arXiv.1907.13628 (2019)](https://arxiv.org/abs/1907.13628) *Featured in* [*Physics Today*](https://physicstoday.scitation.org/do/10.1063/PT.6.1.20191219a/full/)*,* [*Harvard Gazette*](https://news.harvard.edu/gazette/story/2019/12/ultracold-environment-offers-a-first-look-at-a-chemical-reaction/) \[27\] **Multichannel interactions of two atoms in an optical tweezer** Jonathan D. Hood, Yichao Yu, Yen-Wei Lin, Jessie T. Zhang, Kenneth Wang, Lee R. Liu, Bo Gao, and Kang-Kuen Ni. [Phys. Rev. Research 2, 023108 (2020)](https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.2.023108) [arXiv.1907.11226 (2019)](https://arxiv.org/abs/1907.11226) \[26\] **The Quest for Quantum Degeneracy** Kang-Kuen Ni [Nature Physics 15, 523-528 (2019)](https://rdcu.be/bBCNz) \[25\] **Molecular Assembly of Ground State Cooled Single Atoms** Lee R. Liu\*, Jonathan D. Hood\*, Yichao Yu\*, Jessie T. Zhang, Kenneth Wang, Yen-Wei Lin, Till Rosenband, and Kang-Kuen Ni [Phys. Rev. X 9, 021039 (2019)](https://journals.aps.org/prx/abstract/10.1103/PhysRevX.9.021039) [arXiv:1902.03935](https://arxiv.org/abs/1902.03935) *Featured in* [*APS Physics*](https://physics.aps.org/articles/v12/58) \[24\] **An Optical Tweezer Array of Ultracold Molecules** Loic Anderegg, Lawrence W. Cheuk, Yicheng Bao, Sean Burchesky, Wolfgang Ketterle, Kang-Kuen Ni, and John M. Doyle [Science 365, 1156 (2019)](https://science.sciencemag.org/content/365/6458/1156) [arXiv:1902.00497](https://arxiv.org/abs/1902.00497) **2018** \[23\] **Dipolar exchange quantum logic gate with polar molecules** Kang-Kuen Ni, Till Rosenband, David D. Grimes [Chemical Science 9, 6830 - 6838 (2018), DOI: 10.1039/C8SC02355G](http://pubs.rsc.org/en/content/articlelanding/2014/SC/C8SC02355G#!divAbstract) \[22\] **Elliptical polarization for molecular Stark shift compensation in deep optical traps** Till Rosenband, David D. Grimes, Kang-Kuen Ni [Optics Express 26, 19821-19825 (2018)](https://doi.org/10.1364/OE.26.019821) \[21\] **Building one molecule from a reservoir of two atoms** Lee R. Liu, Jonathan D. Hood, Yichao Yu, Jessie T. Zhang, Nicholas R. Hutzler, Till Rosenband, Kang-Kuen Ni [Science 360, 900 (2018)](http://science.sciencemag.org/cgi/content/full/science.aar7797?ijkey=RNLsL5YcxB9ic&keytype=ref&siteid=sci); [arxiv:1804.04752](https://arxiv.org/abs/1804.04752) *Science* [*cover story*](https://science.sciencemag.org/content/360/6391) *and* [*perspective*](https://science.sciencemag.org/content/360/6391/855)*. Featured in* [*Physics World*](https://physicsworld.com/a/optical-tweezers-create-a-single-molecule-from-two-atoms/)*,* [*Cosmos*](https://cosmosmagazine.com/chemistry/scientists-build-custom-molecules-with-optical-tweezers/)*,* [*Harvard Gazette*](https://news.harvard.edu/gazette/story/2018/04/two-atoms-combined-in-dipolar-molecule-for-first-time/) \[20\] **Motional Ground State Cooling Outside the Lamb-Dickes Regime** Yichao Yu, Nicholas R. Hutzler, Jessie T. Zhang, Lee R. Liu, Jonathan D. Hood, Till Rosenband, Kang-Kuen Ni [Phys. Rev. A 97, 063423 (2018)](https://journals.aps.org/pra/abstract/10.1103/PhysRevA.97.063423) [arxiv.org:1708.03296](https://arxiv.org/abs/1708.03296) **2016-2017** \[19\] **Ultracold Molecular Assembly** Lee R. Liu, Jessie T. Zhang, Yichao Yu, Nicholas R. Hutzler, Yu Liu, Till Rosenband, Kang-Kuen Ni [arXiv:1701.03121(2017)](/file_url/351) \[\*\*\*\] **Deborah S. Jin: Trailblazer of Ultracold Science** In memory of our greatest mentor and friend [PNAS.1619292114 ](https://www.pnas.org/content/114/5/791) \[18\] **A low-temperature external cavity diode laser for broad wavelength tuning** William G. Tobias, Jason S. Rosenberg, Nicholas R. Hutzler, Kang-Kuen Ni [Rev. Sci. Instrum. 87, 113104 (2016)](http://scitation.aip.org/content/aip/journal/rsi/87/11/10.1063/1.4967231); [arXiv:1607.01347(2016)](/file_url/366) \[17\] **Eliminating light shifts for single atom trapping** Nicholas R. Hutzler, Lee R. Liu, Yichao Yu, Kang-Kuen Ni [New J. of Phys.19, 023007 (2017)](http://iopscience.iop.org/article/10.1088/1367-2630/aa5a3b/pdf); [arXiv:1605.09422 (2016)](/file_url/371) #### Prior Research \[16\] **State-specific detection of trapped HfF+ by photodissociation** **K.-K. Ni,** H. Loh, M. C. Grau, K. C. Cossel**,** J. Ye, E. A. Cornell *J. Mol. Spec.* 300, 12, 2014 \[15\] **Precision Spectroscopy of Polarized Molecules in an Ion Trap** >H. Loh, K. C. Cossel, M. C. Grau, **K.-K. Ni,** E. R. Meyer, J. L. Bohn, J. Ye, E. A. Cornell *Science* 342, 1220, 2013 \[14\] **Enhancement of Mechanical Q Factors by Optical Trapping** **K.-K. Ni**, R. Norte, D. J. Wilson, J. D. Hood, D. E. Chang, O. Painter, and H. J. Kimble *Phys. Rev. Lett.* 108, 214302, 2012. \[13\] **Ultrahigh-Q mechanical oscillators through optical trapping.** D. E. Chang, **K.-K. Ni**, O. Painter, and H. J. Kimble *New Journal of Physics*, 14, 045002, 2012. \[12\] **Suppression of extraneous thermal noise in cavity optomechanics** Y. Zhao, D. J. Wilson, **K.-K. Ni**, and H. J. Kimble *Optics Express*, 20, 3586, 2012. \[11\] **Direct absorption imaging of ultracold polar molecules** D. Wang, B. Neyenhuis, M. H. G. de Miranda, **K.-K. Ni**, S. Ospelkaus, D. S. Jin, J. Ye *Phys. Rev. A*, 81, 061404, 2010. \[10\] **Dipolar collisions of polar molecules in the quantum regime** **K.-K. Ni**, S. Ospelkaus, D. Wang, G. Quemener, B. Neyenhuis, M. H. G. de Miranda, J. L. Bohn, J. Ye, D. S. Jin *Nature,* 464, 1324, 2010. \[9\] **Quantum-State Controlled Chemical Reactions of Ultracold Potassium-Rubidium Molecules** S. Ospelkaus, **K.-K. Ni**, D. Wang, M. H. G. de Miranda, B. Neyenhuis, G. Quemener, P. S. Julienne, J. L. Bohn, D. S. Jin, J. Ye *Science*, 327, 853, 2010. \[8\] **Controlling the Hyperfine State of Rovibronic Ground-State Polar Molecules** S. Ospelkaus, **K.-K. Ni**, G. Quéméner, B. Neyenhuis, D. Wang, M. H. G. de Miranda, J. L. Bohn, J. Ye, D. S. Jin *Phys. Rev. Lett.*, 104, 030402, 2010. \[7\] **Ultracold polar molecules near quantum degeneracy** S. Ospelkaus, **K.-K. Ni**, M. H. G. de Miranda, B. Neyenhuis, D. Wang, S. Kotochigova, P. S. Julienne, D. S. Jin, J. Ye. *Faraday* *Discussions,* 142, 351, 2009. \[6\] **A dipolar gas of ultracold molecules** **K.-K. Ni**, S. Ospelkaus, D. J. Nesbitt, J. Ye, and D. S. Jin *Physical Chemistry Chemical Physics*, 11, 9626, 2009. \[5\] **A High Phase-Space-Density Gas of Polar Molecules** **K.-K. Ni**, S. Ospelkaus, M. H. G. de Miranda, A. Pe'er, B. Neyenhuis, J. J. Zirbel, S. Kotochigova, P. S. Julienne, D. S. Jin, J. Ye *Science*, 322, 231, 2008. \[4\] **Efficient state transfer in an ultracold dense gas of heteronuclear molecules** S. Ospelkaus, A. Pe'er, **K. -K. Ni**, J. J. Zirbel, B. Neyenhuis, S. Kotochigova, P. S. Julienne, J. Ye, and D. S. Jin *Nat. Phys.*, 4, 622, 2008. \[3\] **Heteronuclear molecules in an optical dipole trap** J. J. Zirbel, **K.-K. Ni**, S. Ospelkaus, T. L. Nicholson, M. L. Olsen, P. S. Julienne, C. E. Wieman, J. Ye, and D. S. Jin *Physical Review A*, 78, 013416, 2008. \[2\] **Collisional Stability of Fermionic Feshbach Molecules** J. J. Zirbel, **K.-K. Ni**, S. Ospelkaus, J. P. D'Incao, C. E. Wieman, J. Ye, and D. S. Jin *Phys. Rev. Lett.*, 100, 143201, 2008. \[1\] **Submicron giant magnetoresistive sensors for biological applications** D.K. Wood, **K.K. Ni**, D.R. Schmidt, and A.N. Cleland *Sensors and Actuators A: Physical*, 120, 1, 2005.