**2021**A. de la Torre, S. Di Matteo, D. Hsieh and M. R. Norman, "Implications of second harmonic generation for hidden order in Sr2CuO2Cl2,"

**Phys. Rev. B 104**, 035138 (2021).

A. de la Torre, K. L. Seyler, L. Zhao, S. Di Matteo, M. S. Scheurer, Y. Li, B. Yu, M. Greven, S. Sachdev, M. R. Norman and D. Hsieh, "Mirror symmetry breaking in a model insulating cuprate,"

**Nature Phys. 17,**777 (2021).

J. Orenstein, J. E. Moore, T. Morimoto, D. H. Torchinsky, J. W. Harter and D. Hsieh, "Topology and symmetry of quantum materials via nonlinear optical responses," Annu. Rev. Condens.

**Matter Phys. 12**, 247 (2021).

**2020**H. Ning, O. Mehio, M. Buchhold, T. Kurumaji, G. Refael, J. G. Checkelsky, and D. Hsieh, "Signatures of Ultrafast Reversal of Excitonic Order in Ta2NiSe5,"

**Phys. Rev. Lett. 125**, 267602 (2020).

K. L. Seyler, A. de la Torre, Z. Porter, E. Zoghlin, R. Polski, M. Nguyen, S. Nadj-Perge, S. D. Wilson, and D. Hsieh, "Spin-orbit-enhanced magnetic surface second-harmonic generation in Sr2IrO4,"

**Phys. Rev. B 102**, 201113(R) (2020).

A. Ron, S. Chaudhary, G. Zhang, H. Ning, E. Zoghlin, S. D. Wilson, R. D. Averitt, G. Refael and D. Hsieh, "Ultrafast Enhancement of Ferromagnetic Spin Exchange Induced by Ligand-to-Metal Charge Transfer,"

**Phys. Rev. Lett. 125**, 197203 (2020).

Jun-Yi Shan, A. de la Torre, N. J. Laurita, L. Zhao, C. D. Dashwood, D. Puggioni, C. X. Wang, K. Yamaura, Y. Shi, J. M. Rondinelli, and D. Hsieh, "Evidence for an extended critical fluctuation region above the polar ordering transition in LiOsO3,"

**Phys. Rev. Research 2**, 033174 (2020).

H. Chu, C. J. Roh, J. O. Island, C. Li, S. Lee, J. Chen, J. G. Park, A. F. Young, J. S. Lee, and D. Hsieh, "Linear Magnetoelectric Phase in Ultrathin MnPS3 Probed by Optical Second Harmonic Generation,"

**Phys. Rev. Lett. 124**, 027601 (2020).

M. R. Norman, N. J. Laurita, and D. Hsieh, "Valence bond phases of herbertsmithite and related copper kagome materials,"

**Phys. Rev. Research 2**, 013055 (2020).

**2019**S. Chaudhary, D. Hsieh and G. Refael, "Orbital Floquet engineering of exchange interactions in magnetic materials,"

**Phys. Rev. B 100**, 220403 (R) (2019).

N. J. Laurita, A. Ron, J. Shan, D. Puggioni, N. Z. Koocher, K. Yamaura, Y. Shi, J. M. Rondinelli, D. Hsieh, “Evidence for the weakly coupled electron mechanism in an Anderson-Blount polar metal,”

**Nature Communications 10**, 3217 (2019).

A. Ron, E. Zoghlin, L. Balents, S. D. Wilson, D. Hsieh, “Dimensional crossover in a layered ferromagnet detected by spin correlation driven distortions,”

**Nature Communications 10**, 1654 (2019).

**2018**

K. Frohna, T. Deshpande, J. W. Harter, W. Peng, B. A. Barker, J. B. Newton, S. G. Louie, O. M. Bakr, D. Hsieh, M. Bernardi, " Inversion symmetry and bulk Rashba effect in methylammonium lead iodide perovskite single crystals,"

**Nature Communications 9**, 1829 (2018).

L. Zhao, D. H. Torchinsky, J. W. Harter, A. de la Torre, D. Hsieh, "Second harmonic generation spectroscopy of hidden phases,"

**Encyclopedia of Modern Optics (2nd edition)**

**2**, 207 (2018).

D. M. Kennes, A. de la Torre, A. Ron, D. Hsieh, and A. J. Millis, "Floquet engineering in quantum chains,"

**Phys. Rev. Lett.**

**120**, 127601 (2018).

J. W. Harter, D. M. Kennes, H. Chu, A. de la Torre, Z. Y. Zhao, J.-Q. Yan, D. G. Mandrus, A. J. Millis, D. Hsieh, " Evidence of an improper displacive phase transition in Cd2Re2O7 via time-resolved coherent phonon spectroscopy,"

**Phys. Rev. Lett. 120**, 047601 (2018).

**2017**D. N. Basov, R. D. Averitt and D. Hsieh, "Towards properties on demand in quantum materials,"

**Nature Materials 16**, 1077 (2017).

T. Hogan, X. Wang, H. Chu, D. Hsieh, and S. D. Wilson, "Doping-driven structural distortion in the bilayer iridate (Sr1-xLax)3Ir2O7,"

**Phys. Rev. B 95**, 174109 (2017).

D. H. Torchinsky and D. Hsieh, "Rotational anisotropy nonlinear harmonic generation," Chapter in

*Magnetic Characterization Techniques for Nanomaterials*(

**Springer**2017).

J. W. Harter, Z. Y. Zhao, J.-Q. Yan, D. G. Mandrus and D. Hsieh, "A parity-breaking electronic nematic phase transition in the spin-orbit coupled metal Cd2Re2O7,"

**Science 356**, 295 (2017).

H. Chu, L. Zhao, A. de la Torre, T. Hogan, S. D. Wilson and D. Hsieh, "A charge density wave-like instability in a doped spin-orbit-assisted weak Mott insulator,"

**Nature Materials. 16**, 200 (2017).

L. Zhao, C. A. Belvin, R. Liang, D. A. Bonn, W. N. Hardy, N. P. Armitage and D. Hsieh, "A global inversion-symmetry-broken phase inside the pseudogap region of YBa2Cu3Oy,"

**Nature Phy**

**s**

**. 13**, 250 (2017).

**2016**T. Hogan, L. Bjaalie, L. Zhao, C. Belvin, X. Wang, C. G. Van de Walle, D. Hsieh, and S. D. Wilson, "Structural investigation of the bilayer iridate Sr3Ir2O7,"

**Phys. Rev. B 93**, 134110 (2016).

J. W. Harter, H. Chu, S. Jiang, N. Ni and D. Hsieh, "Nonlinear and time-resolved optical study of the 112-type iron-based superconductor parent Ca1-xLaxFeAs2 across its structural phase transition,"

**Phys. Rev. B 93**, 104506 (2016).

L. Zhao, D. H. Torchinsky, H. Chu, V. Ivanov, R. Lifshitz, R. Flint, T. Qi, G. Cao and D. Hsieh, "Evidence of an odd-parity hidden order in a spin-orbit coupled correlated iridate,"

**Nature Phys. 12**, 32 (2016).

**2015**J. W. Harter, L. Niu, A. J. Woss and D. Hsieh, "High-speed measurement of rotational anisotropy nonlinear optical harmonic generation using position-sensitive detection,"

**Opt. Lett. 40,**4671 (2015).

D. H. Torchinsky, H. Chu, L. Zhao, N. B. Perkins, Y. Sizyuk, T. Qi, G. Cao and D. Hsieh, "Structural Distortion-Induced Magnetoelastic Locking in Sr2IrO4 Revealed through Nonlinear Optical Harmonic Generation,"

**096404**

**Phys. Rev. Lett. 114,****(2015).**

__2014__D. H. Torchinsky, H. Chu, T. Qi, G. Cao and D. Hsieh, "A low temperature nonlinear optical rotational anisotropy spectrometer for the determination of crystallographic and electronic symmetries,"

**Rev. Sci. Instrum. 85**, 083102 (2014).

**2012**Y.-H. Wang, D. Hsieh, E. J. Sie, H. Steinberg, D. R. Gardner, Y. S. Lee, P. Jarillo-Herrero and N. Gedik, “Measurement of an intrinsic Dirac fermion cooling on the surface of the Bi2Se3 topological insulator using time-resolved and angle-resolved photo emission spectroscopy,”

**Phys. Rev. Lett. 109,**127401 (2012).

J. W. McIver*, D. Hsieh*, S. G. Drapcho, D. H. Torchinsky, D. R. Gardner, Y. S. Lee and N. Gedik, “Theoretical and experimental study of second harmonic generation from the surface of the topological insulator Bi2Se3 ,”

**Phys. Rev. B 86,**035327 (2012).

D. Hsieh, F. Mahmood, D. H. Torchinsky, G. Cao and N. Gedik, “Observation of a metal-to-insulator transition with both Mott-Hubbard and Slater characteristics in Sr2 IrO4 from time-resolved photocarrier dynamics,"

**Phys. Rev. B 86,**035128 (2012).

J. W. McIver*, D. Hsieh*, H. Steinberg, P. J. Herrero and N. Gedik, “Control over topological insulator photocurrents with light polarization,”

**Nature Nano. 7,**96 (2012).

__2011__Y.-H. Wang, D. Hsieh, D. Pilon, L. Fu, D. Gardner, Y. S. Lee and N. Gedik, “Observation of a warped helical spin texture in Bi2Se3 from circular dichroism angle-resolved photoemission spectroscopy,”

**Phys. Rev. Lett. 107,**207602 (2011).

D. H. Torchinsky, J. W. McIver, D. Hsieh, G. F. Chen, J. L. Luo, N. L. Wang and N. Gedik, “Nonequilibrium quasiparticle relaxation dynamics in single crystals of hole and electron doped BaFe2As2,”

**Phys. Rev. B 84,**104518 (2011).

D. Hsieh, F. Mahmood, J. W. McIver, D. R. Gardner, Y. S. Lee and N. Gedik, “Selective probing of photoinduced charge and spin dynamics in the bulk and surface of a topological insulator,”

**Phys. Rev. Lett. 107,**077401 (2011).

D. Hsieh*, J. W. McIver*, D. H. Torchinsky, D. R. Gardner, Y. S. Lee and N. Gedik, “Nonlinear optical probe of tunable surface electrons on a topological insulator,”

**Phys. Rev. Lett. 106,**057401 (2011).

L. A. Wray, S.-Y. Xu, Y. Xia, D. Hsieh, A. V. Fedorov, Y. S. Hor, R. J. Cava, A. Bansil, H. Lin and M. Z. Hasan, “A topological insulator surface under strong Coulomb, magnetic and disorder perturbations,”

**Nature Phys. 7,**32 (2011).

__2010__D. Hsieh, L. Wray, D. Qian, Y. Xia, J.-H. Dil, F. Meier, L. Patthey, J. Osterwalder, G. Bihlmayer, Y. S. Hor, R. J. Cava and M. Z. Hasan, “Direct observation of spin-polarized surface states in the parent compound of a topological insulator using spin-and angle-resolved photoemission spectroscopy in a Mott-polarimetry mode,”

**New J. Phys. 12,**125001 (2010).

Y. S. Hor, P. Roushan, H. Beidenkopf, J. Seo, D. Qu, J. G. Checkelsky, L. A. Wray, D. Hsieh, Y. Xia, S.-Y. Xu, D. Qian, M. Z. Hasan, N. P. Ong, A. Yazdani, and R. J. Cava, “Development of ferromagnetism in the doped topological insulator Bi2−x Mnx Te3,”

**Phys. Rev. B 81,**195203 (2010).

**2009**D. Hsieh, Y. Xia, D. Qian, L. Wray, F. Meier, J. H. Dil, J. Osterwalder, L. Patthey, A. V. Fedorov, H. Lin, A. Bansil, D. Grauer, Y. S. Hor, R. J. Cava, and M. Z. Hasan, “Observation of time-reversal-protected single-Dirac-cone topological-insulator states in Bi2 Te3 and Sb2 Te3 ,”

**Phys. Rev. Lett. 103,**146401 (2009).

D. Hsieh, Y. Xia, D. Qian, L. Wray, J. H. Dil, F. Meier, J. Osterwalder, L. Patthey, J. G. Checkelsky, N. P. Ong, A. V. Fedorov, H. Lin, A. Bansil, D. Grauer, Y. S. Hor, R. J. Cava and M. Z. Hasan, “A tunable topological insulator in the spin helical Dirac transport regime,”

**Nature 460,**1101 (2009).

P. Roushan, J. Seo, C. V. Parker, Y. S. Hor, D. Hsieh, D. Qian, A. Richardella, M. Z.Hasan, R. J. Cava and A. Yazdani, “Topological surface states protected from backscattering by chiral spin texture,”

**Nature 460,**1106 (2009).

Y. Xia, D. Qian, L. Wray, D. Hsieh, G. F. Chen, J. L. Luo, N. L. Wang, and M. Z. Hasan, “Fermi surface topology and low-lying quasiparticle dynamics of parent Fe1+x Te/Se superconductor,”

**Phys. Rev. Lett. 103,**037002 (2009).

Y. Xia, D. Qian, D. Hsieh, L. Wray, A. Pal, H. Lin, A. Bansil, D. Grauer, Y. S. Hor, R. J. Cava, M. Z. Hasan, “Observation of a large-gap topological-insulator class with a single Dirac cone on the surface,”

**Nature Phys. 5,**398 (2009).

D. Hsieh, Y. Xia, L. Wray, D. Qian, A. Pal, J. H. Dil, F. Meier, J. Osterwalder, G. Bihlmayer, C. L. Kane, Y. S. Hor, R. J. Cava and M. Z. Hasan, “Observation of unconventional quantum spin textures in topological insulators,”

**Science 323,**919 (2009).

D. Hsieh, Y. Xia, L. Wray, D. Qian, K. Gomes, A. Yazdani, G. F. Chen, J. L. Luo, N. L. Wang and M. Z. Hasan, “Experimental determination of the microscopic origin of magnetism in parent iron pnictides,” Preprint at <http://arxiv.org/abs/0812.2289>

**2008**L. Wray, D. Qian, D. Hsieh, Y. Xia, L. Li, J. G. Checkelsky, A. Pasupathy, K. K. Gomes, A. V. Fedorov, G. F. Chen, J. L. Luo, A. Yazdani, N. P. Ong, N. L. Wang and M. Z. Hasan, “Momentum dependence of superconducting gap, strong-coupling dispersion kink, and tightly bound Cooper pairs in the high-Tc (Sr,Ba)1−x (K,Na)x Fe2 As2 superconductors,”

**Phys. Rev. B 78,**184508 (2008).

D. Hsieh, D. Qian, R. F. Berger, R. J. Cava, J. W. Lynn, Q. Huang and M. Z. Hasan, “Magnetic excitations in triangular lattice NaCrO2 ,”

**J. Phys. Chem. Solids 69,**3174 (2008).

Y. W. Li, D. Qian, L. Wray, D. Hsieh, Y. Xia, Y. Kaga, T. Sasagawa, H. Takagi, R. S. Markiewicz, A. Bansil, H. Eisaki, S. Uchida, and M. Z. Hasan, “X-ray imaging of dispersive charge modes in a doped Mott insulator near the antiferromagnet/superconductor transition,”

**Phys. Rev. B 78,**073104 (2008).

D. Hsieh, D. Qian, L. Wray, Y. Xia, Y. S. Hor, R. J. Cava and M. Z. Hasan, “A topological Dirac insulator in a quantum spin Hall phase,”

**Nature 452,**970 (2008).

D. Hsieh, D. Qian, R. F. Berger, R. J. Cava, J. W. Lynn, Q. Huang and M. Z. Hasan, “Unconventional spin order in the triangular lattice system NaCrO2: A neutron scattering study,”

**Physica B 403,**1341 (2008).

**2007**G. Li, W. Z. Hu, J. Dong, D. Qian, D. Hsieh, M. Z. Hasan, E. Morosan, R. J. Cava and N. L. Wang, “Anomalous metallic state of Cu0.07 TiSe2 : An optical spectroscopy study,”

**Phys. Rev. Lett. 99,**167002 (2007).

L. Wray, D. Qian, D. Hsieh, Y. Xia, H. Eisaki and M. Z. Hasan, “Dispersive collective charge modes in an incommensurately modulated cuprate Mott insulator,”

**Phys. Rev. B 76,**100507(R) (2007).

G. Li, W. Z. Hu, D. Qian, D. Hsieh, M. Z. Hasan, E. Morosan, R. J. Cava and N. L. Wang, “Semimetal-to-semimetal charge density wave transition in 1T-TiSe2 ,”

**Phys. Rev. Lett. 99,**027404 (2007).

D. Qian, D. Hsieh, L. Wray, E. Morosan, N. L. Wang, Y. Xia, R. J. Cava, and M. Z. Hasan, “Emergence of Fermi pockets in a new excitonic charge-density-wave melted superconductor,”

**Phys. Rev. Lett. 98,**117007 (2007).

__2006__

D. Qian, L. Wray, D. Hsieh, L. Viciu, R. J. Cava, J. L. Luo, D. Wu, N. L. Wang, and M. Z. Hasan, “Complete d-band dispersion relation in sodium cobaltates,”

**Phys. Rev. Lett. 97,**186405 (2006).

D. Qian, D. Hsieh, L. Wray, Y.-D. Chuang, A. Fedorov, D. Wu, J. L. Luo, N. L. Wang, L. Viciu, R. J. Cava, and M. Z. Hasan, “Low-lying quasiparticle states and hidden collective charge instabilities in parent cobaltate superconductors,”

**Phys. Rev. Lett. 96,**216405 (2006).

D. Qian, L. Wray, D. Hsieh, D. Wu, J. L. Luo, N. L. Wang, A. Kuprin, A. Fedorov, R. J. Cava, L. Viciu, and M. Z. Hasan, “Quasiparticle dynamics in the vicinity of metal-insulator phase transition in Nax CoO2,”

**Phys. Rev. Lett. 96,**046407 (2006).