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Team

List of published papers

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[2024]​​

  1. Ptychographic lensless coherent endomicroscopy through a flexible fiber bundle, Gil Weinberg, Munky Kang, Wonjun Choi, Wonshik Choi, and Ori Katz, Opt. Express (2024) doi:10.1364/oe.503963.

  2. Second-harmonic generation microscopy with synthetic aperture and computational adaptive optics, Moon, Jungho Moon, Sungsam Kang, Ye-Chan Cho, Jin Hee Hong, Dong-Jin Shin, Su-Hyun Gong, Seok-Chan Yoon, and Wonshik Choi, Optica 11, 128 (2024).

  3. Object Function Retrieval by Model-Based Optimization in Fourier Holographic Endoscopy. Thi Van Anh Nguyen, Munkyu Kang, Dinh Hoang Tran, Tran Thinh Le, Youngwoon Choi, and Wonshik Choi, ACS Photonics (2024). doi:10.1021/acsphotonics.3c01100

 

[2023]​​

  1. Computational conjugate adaptive optics for longitudinal through-skull imaging of cortical myelin, Yongwoo Kwon, Jin Hee Hong, Seokchan Yoon, Sungsam Kang, Hojun Lee, Yonghyeon Jo, Ki Hean Kim, Wonshik Choi, Nature Communications 14, 105 (2023)

  2. Fourier holographic endoscopy for imaging continuously moving objects, Munkyu Kang, Wonjun Choi, Wonshik Choi, and Youngwoon Choi, Optics Express 31, 11705 (2023)

  3. Exploiting volumetric wave correlation for enhanced depth imaging in scattering medium, Ye-Ryoung Lee, Dong-Young Kim, Yonghyeon Jo, Moonseok Kim and Wonshik Choi, Nature Communications 14, 1878 (2023)

  4. Wave propagation dynamics inside a complex scattering medium by the temporal control of backscattered waves, Ye-Ryoung Lee, Wonjun Choi, Seungwon Jeong, Sungsam Kang, Dong-Young Kim and Wonshik Choi, Optica 10, 569-577 (2023)

  5. Label-free adaptive optics single-molecule localization microscopy for whole zebrafish, Sanghyeon Park, Yonghyeon Jo, Minsu Kang, Jin Hee Hong, Sangyoon Ko, Suhyun Kim, Sangjun Park, Hae Chul Park, Sang-Hee Shim, Wonshik Choi, Nature Communications 14, 4185 (2023)

  6. Measuring the scattering tensor of a disordered nonlinear medium, Jungho Moon, Ye-Chan Cho, Sungsam Kang, Mooseok Jang and Wonshik Choi, Nature Physics 19, 1709 (2023).

  7. Acousto-optic Volumetric Gating for Reflection-Mode Deep Optical Imaging within a Scattering Medium, Hakseok Ko, Junghoon Kim, Jin Hee Hong, Junyeob Cheon, Seungwoo Lee, Mooseok Jang and Wonshik Choi, ACS Photonics 10, 3664 (2023)

  8. Tracing multiple scattering trajectories for deep optical imaging in scattering media, Sungsam Kang, Yongwoo Kwon, Hojun Lee, Seho Kim, Jin Hee Hong, Seokchan Yoon and Wonshik Choi, Nature Communications 14, 6871 (2023)

  9. The ultra-thin, minimally invasive surface electrode array NeuroWeb for probing neural activity, Jung Min Lee, Young-Woo Pyo, Yeon Jun Kim, Jin Hee Hong, Yonghyeon Jo, Wonshik Choi, Dingchang Lin & Hong-Gyu Park, Nature Communications 14, 7088 (2023)

​

[2022]

  1. Longitudinal Deep-Brain Imaging through an Intact Skull Using a Label-Free Reflection Matrix Microscopy, Kwon Y., Yoon S., Hong J.H., Lee H., Choi W, IEEE (2022). doi.org/10.1515/nanoph-2021-0653

  2. Spatio-spectral decomposition of complex eigenmodes in subwavelength nanostructures through transmission matrix analysis, Young-Ho Jin, Juntaek Oh, Wonshik Choi and Myung-Ki Kim, Nanophotonics - De Gruyter (2022). doi.org/10.1515/nanoph-2021-0653

  3. High-throughput volumetric adaptive optical imaging using compressed time-reversal matrix, Hojun Lee, Seokchan Yoon, Pascal Loohuis, Jin Hee Hong, Sungsam Kang and Wonshik Choi, Light: Science & Applications 11, 16 (2022) 

  4. Flexible-type ultrathin holographic endoscope for microscopic imaging of unstained biological tissues, W. Choi, M. Kang, J. H. Hong, O. Katz, B. Lee, G. H. Kim, Y. Choi and W. Choi, Nature Communications 13, 4469 (2022)

  5. Through-skull brain imaging in vivo at visible wavelengths via dimensionality reduction adaptive-optical microscopy, Yonghyeon Jo, Ye-Ryoung Lee, Jin Hee Hong, Dong-Young Kim, Junhwan Kwon, Myunghwan Choi, Moonseok Kim, Wonshik Choi, Science Advances 8, eabo4366 (2022)

​

[2021]

  1. Optical transfer function of time-gated coherent imaging in the presence of a scattering medium, Pilsung Kang, Sungsam Kang, Yonghyeon Jo, Hakseok Ko, Guanghoon Kim, Ye-Ryoung Lee, and Wonshik Choi, Optics Express 29, 3395 (2021)

  2. Single-shot multi-depth full-field optical coherence tomography using spatial frequency division multiplexing, Jungho Moon, Yong-Sik Lim, Seokchan Yoon, and Wonshik Choi, Optics Express 29, 7060 (2021)

  3. Single-shot multiple-depth macroscopic imaging by spatial frequency multiplexing, M. Kang, S. Woo, W. Choi, P. Kang. T. D. Hoang, J. Koo, Y. Choi and W. Choi, Optics Express 29, 34360 (2021)

  4. Time-resolved detection of early-arriving ballistic waves in a quasi-diffusive regime, J. Cho, S. Kang, B. Lee, J. Moon, Y. -S. Lim, M. Jang and W. Choi, Optics Express 29, 35640 (2021)

  5. Jones Matrix Microscopy for Living Eukaryotic Cells, K. Park, T. D. Yang, D. Seo, M. G. Hyeon, T. Kong, B. -M. Kim, Y. Choi, W. Choi and Y. Choi, ACS Photonics 8, 3042 (2021)

​

[2020]

  1. Laser scanning reflection-matrix microscopy for aberration-free imaging through intact mouse skull, Seokchan Yoon, Hojun Lee, Jin Hee Hong, Yong-Sik Lim and Wonshik Choi, Nature Communications 11, 5721 (2020)

  2. Deep tissue space-gated microscopy via acousto-optic interaction, Mooseok Jang, Hakseok Ko, Jin Hee Hong, Won Kyu Lee, Jae-Seung Lee, and Wonshik Choi, Nature Communications 11, 710 (2020)

  3. Deep optical imaging within complex scattering media, Seokchan Yoon, Moonseok Kim, Mooseok Jang, Youngwoon Choi, Wonjun Choi, Sungsam Kang, and Wonshik Choi, Nature Reviews Physics 2, 141–158 (2020)

  4. Single-shot imaging of microscopic dynamic scenes at 5 THz frame rates by time and spatial frequency multiplexing, Jungho Moon, Seok-Chan Yoon, Yong-Sik Lim, and Wonshik Choi, Optics Express 28, 4463 (2020)

  5. Time-gated iterative phase conjugation for efficient light energy delivery in scattering media, Dong-Young Kim, Seungwon Jeong, Mooseok Jang, Ye-Ryoung Lee, and Wonshik Choi, Optics Express 28, 7382 (2020)

  6. Near-field transmission matrix microscopy for mapping high-order eigenmodes of subwavelength nanostructures, Eunsung Seo, Young-Ho Jin, Wonjun Choi, Yonghyeon Jo, Suyeon Lee, Kyung-Deok Song, Joonmo Ahn, Q-Han Park, Myung-Ki Kim, and Wonshik Choi, Nature Communications 11, 2575 (2020)

 

[2019]

  1. Label-free neuroimaging in vivo using synchronous angular scanning microscopy with single-scattering accumulation algorithm, Moonseok Kim, Yonghyeon Jo, Jin Hee Hong, Suhyun Kim, Seokchan Yoon, Kyung-Deok Song, Sungsam Kang, Byunghak Lee, Gauang Hoon Kim, Hae-Chul Park, and Wonshik Choi, Nature Communications 10, 3152 (2019)

  2. Iterative optimization of time-gated reflectance for the efficient light energy delivery within scattering media, Seungwon Jeong, Dong-Young Kim, Ye-Ryoung Lee, Wonjun Choi, and Wonshik Choi, Optics Express 27, 10936 (2019)

  3. Analytic framework for understanding the competing multiple light scattering processes, Ye-Ryoung Lee, Wonjun Choi, Seungwon Jeong, and Wonshik Choi, Scientific Reports 9, 2785 (2019)

  4. Diversity in the structure of action potential mediated neural connectivity within rat SCN, Cheolhong Min, Hyun Kim, Wonshik Choi, and Kyoung J. Lee, European Journal of Neuroscience (2019). doi:10.1111/ejn.14417

 

 

[2018]

  1. Selective pump focusing on individual laser modes in microcavities, Jae-Hyuck Choi, Sehwan Chang, Kyoung-Ho Kim, Wonjun Choi, Soon-Jae Lee, Jung Min Lee, Min-Soo Hwang, Jungkil Kim, Seungwon Jeong, Min-Kyo Seo, Wonshik Choi, and Hong-Gyu Park, ACS Photonics 5, 2791 (2018)

  2. Senescent tumor cells building three-dimensional tumor clusters, Hyun-Gyu Lee, June Kim, Woong Sun, Sung-Gil Chi, Wonshik Choi, and Kyoung J Lee, Scientific Reports 8, 10503 (2018)

  3. Optical imaging featuring both long working distance and high spatial resolution by correcting the aberration of a large aperture lens, Changsoon Choi, Kyung-Deok Song, Sungsam Kang, Jin-Sung Park, and Wonshik Choi, Scientific Reports 8, 9165 (2018)

  4. Focusing of light energy inside a scattering medium by controlling the time-gated multiple light scattering, Seungwon Jeong, Ye-Ryoung Lee, Wonjun Choi, Sungsam Kang, Jin Hee Hong, Jin-Sung Park, Yong-Sik Lim, Hong-Gyu Park and Wonshik Choi, Nature Photonics 12, 277 (2018)

  5. Anderson light localization in biological nanostructures of native silk, Seung Ho Choi, Seong-Wan Kim, Zahyun Ku, Michelle A. Visbal-Onufrak, Seong-Ryul Kim, Kwang-Ho Choi, Hakseok Ko, Wonshik Choi, Augustine M. Urbas, Tae-Won Goo& Young L. Kim, Nature Communications 9, 452 (2018)

  6. Microsphere-based interferometric optical probe, Yongjae Jo, Junhwan Kwon, Moonseok Kim, Wonshik Choi, and Myunghwan Choi, Nature Communications 9, 4577 (2018)

 

 

[2017]

  1. High-resolution adaptive optical imaging within thick scattering media using closed-loop accumulation of single scattering, Sungsam Kang, Pilsung Kang, Seungwon Jeong, Yongwoo Kwon, Taeseok D. Yang, Jin Hee Hong, Moonseok Kim, Kyung-Deok Song, Jin Hyoung Park, Jun Ho Lee, Myoung Joon Kim, Ki Hean Kim and Wonshik Choi, Nature Communications 8, 2157 (2017)

  2. Three-dimensional imaging of macroscopic objects hidden behind scattering media using time-gated aperture synthesis, Sungsoo Woo, Munkyu Kang, Changhyeong Yoon, Taseok Daniel Yang, Youngwoon Choi and Wonshik Choi, Optics Express 25, 32722 (2017)

  3. Maximizing energy coupling to complex plasmonic devices by injecting light into eigenchannels, Yonghyeon Jo, Wonjun Choi, Eunsung Seo, Junmo Ahn, Q-Han Park, Young Min Jhon, and Wonshik Choi, Scientific Reports 7, 9779 (2017)

  4. Removal of back-reflection noise at ultrathin imaging probes by the single-core illumination and wide-field detection, Changhyeong Yoon, Munkyu Kang, Jin H. Hong, Taeseok D. Yang, Jingchao Xing, Hongki Yoo, YoungwoonChoi and WonshikChoi, Scientific Reports 7, 6524 (2017)

  5. Control of randomly scattered surface plasmon polaritons for multiple-input and multiple-output plasmonic switching devices, Wonjun Choi, Yonghyeon Jo, Joonmo Ahn, Eunsung Seo, Q-Han Park, Young Min Jhon, and Wonshik Choi, Nature Communications 8:14636 (2017)

 

[2016]

  1. Epithelial-to-mesenchymal transition leads to loss of EpCAM and different physical properties in circulating tumor cells from metastatic breast cancer, Kyung-A Hyun, Ki-Bang Goo, Hyunju Han, Joohyuk Sohn, Wonshik Choi, Seung-Il Kim, Hyo-Il Jung, You-Sun Kim, Oncotarget 7, 24677 (2016)

  2. Depth-selective imaging of macroscopic objects hidden behind a scattering layer using low-coherence and wide-field interferometry, Sungsoo Woo, Sungsam Kang, Changhyeong Yoon, Hakseok Ko, Wonshik Choi, Optics Communications 372, 210-214 (2016)

 

[2015]

  1. Hwanchol Jang, Changhyeong Yoon, Euiheon Chung, Wonshik Choi, and Heung-No Lee, "Holistic random encoding for imaging through multimode fibers," Optics Express 23 6705-6721 (3 Mar 2015)

  2. Sungsam Kang, Seungwon Jeong, Wonjun Choi, Hakseok Ko, Taeseok D. Yang, Jang Ho Joo, Jae-Seung Lee, Yong-Sik Lim, Q-Han Park, and Wonshik Choi, "Imaging deep within a scattering medium using collective accumulation of single-scattered waves," Nature Photonics 9 253-258 (9 Mar 2015)

  3. Moonseok Kim, Wonjun Choi, Youngwoon Choi, Changhyeong Yoon, and Wonshik Choi, "Transmission matrix of a scattering medium and its applications in biophotonics," Optics Express 23, 12648-12668 (6 May 2015)

  4. Moonseok Kim, Wonjun Choi, Changhyeong Yoon, Guang Hoon Kim, Seunghyun Kim, Gi-Ra Yi, Q-Han Park, and Wonshik Choi, "Exploring anti-reflection modes in disordered media," Optics Express 23, 12740-12749 (6 May 2015)

  5. Wonjun Choi, Moonseok Kim, Donggyu Kim, Changhyeong Yoon, Christopher Fang-Yen, Q-Han Park & Wonshik Choi, "Preferential coupling of an incident wave to reflection eigenchannels of disordered media," Scientific Reports 5, 11393 (16 June 2015)

 

[2014]

  1. Youngwoon Choi, Changhyeong Yoon, Moonseok Kim, Wonjun Choi, and Wonshik Choi, "Optical Imaging With the Use of a Scattering Lens," IEEE Journal of Selected Topics in Quantum Electronics 20, 61 (Mar-Apr, 2014)

  2. Donggyu Kim, Jungho Moon, Moonseok Kim, Taeseok Daniel Yang, Jaisoon Kim, Euiheon Chung, and Wonshik Choi, "Toward a miniature endomicroscope: pixelation-free and diffraction-limited imaging through a fiber bundle," Optics Letters 39, 1921 (2014)

  3. Yongjin Sung, Niyom Lue, Bashar Hamza, Joseph Martel, Daniel Irimia, Ramachandra R. Dasari, Wonshik Choi, Zahid Yaqoob, and Peter So, "Three-Dimensional Holographic Refractive-Index Measurement of Continuously Flowing Cells in a Microfluidic Channel," Physical Review Applied 1, 014002 (2014)

  4. Donggyu Kim, Wonjun Choi, Moonseok Kim, Jungho Moon, Keumyoung Seo, Sanghyunu, Wonshik Choi, "Implementing transmission eigenchannels of disordered media by a binary-control digital micromirror device," Optics  Communications 330, 35 (2014)

  5. Yeon Jeong Kim, Gi-Bang Koo, June-Young Lee, Hui-Sung Moon, Dong-Gun Kim, Da-Gyum Lee, Ju-Yeon Lee, Jin Ho Oh, Jong-Myeon Park, Minseok S. Kim, Hyun Goo Woo, Seung-Il Kim, Pilsung Kang, Wonshik Choi, Tae Seok Sim, Woong-Yang Park, Jeong-Gun Lee, You-Sun Kim, "A microchip filter device incorporating slit arrays and 3-D flow for detection of circulating tumor cells using CAV1-EpCAM conjugated microbeads," Biomaterials 35, 7501 (2014)

  6. Hwanchol Jang, Changhyeong Yoon, Euiheon Chung, Wonshik Choi, Heung-No Lee, "Speckle suppression via sparse representation for wide-field imaging through turbid media," Optics Express 22, 16619-16628 (2014)

  7. Eunsung Seo, Joonmo Ahn, Wonjun Choi, Hakjoon Lee, Young Min Jhon, Sanghoon Lee, and Wonshik Choi, "Far-field Control of Focusing Plasmonic Waves through Disordered Nanoholes," Optics Letters 39, 5838 (2014)

  8. Youngwoon Choi, Poorya Hosseini, Wonshik Choi, Ramachandra R. Dasari, Peter T. C. So, and Zahid Yaqoob, "Dynamic Speckle Illumination Wide-field Reflection Phase Microscopy," Optics Letters 39, 6062 (2014)

 

[2013]

  1. Youngwoon Choi, Timothy R. Hillman, Wonjun Choi, Niyom Lue, Ramachandra R. Dasari, Peter T. C. So, Wonshik Choi*, and Zahid Yaqoob, "Measurement of the time-resolved reflection matrix for enhancing light energy delivery into a scattering medium," Physical Review Letters 111, 243901 (2013) (*corresponding author)

  2. Yongjin Sung, Amit Tzur, Seungeun Oh, Wonshik Choi, Victor Li, Ramachandra R. Dasari, Zahid Yaqoob, and Marc W. Kirschner, "Size homeostasis in adherent cells studied by synthetic phase microscopy," PNAS 110, 16687 (2013)

  3. Moonseok Kim, Wonjun Choi, Changhyeong Yoon, Guang Hoon Kim and Wonshik Choi, "Relation between transmission eigenchannels and single-channel optimizing modes in a disordered medium," Optics Letters 38, 2994 (2013)

  4. Youngwoon Choi, Changhyeong Yoon, Moonseok Kim, Juhee Yang, and Wonshik Choi, "Disorder-mediated enhancement of fiber numerical aperture," Optics Letters 38, 2253 (2013)

  5. Donggyu Kim, Keumyoung Seo, Wonjun Choi, Moonseok Kim, UK Kang, Sanghyun Ju, Wonshik Choi, "Detection of evanescent waves using disordered nanowires," Optics Communications 297, 1 (2013)

  6. Timothy R. Hillman, Toyohiko Yamauchi, Wonshik Choi, Ramachandra R. Dasari, Michael, S. Feld, Youngkeun Park, and Zahid Yaqoob, "Digital optical phase conjugation for delivering two-dimensional images through turbid media," Scientific Reports 3, 1909 (2013)

 

[2012]

  1. H.-G. Hong, W. Seo, Y. Song, M. Lee, H. Jeong, Y. Shin, W. Choi, R. R. Dasari, and K. An, "Spectrum of the Cavity-QED Microlaser: Strong Coupling Effects in the Frequency Pulling at Off Resonance," Physical Review Letters 109, 243601 (2012) 

  2. Taeseok D. Yang, Wonshik Choi, Tai Hyun Yoon, Kyoung Jin Lee, Jae-Seung Lee, Sang Hun Han, Min-Goo Lee, Hong Soon Yim, Kyung Min Choi, Min Woo Park, Kwang-Yoon Jung, and Seung-Kuk Baek, "Real-time phase-contrast imaging of photothermal treatment of head and neck squamous cell carcinoma: an in vitro study of macrophages as a vector for the delivery of gold nanoshells, Journal of Biomedical Optics, 17128003 (2012) 

  3. Changhyeong Yoon, Youngwoon Choi, Moonseok Kim, Jungho Moon, Donggyu Kim and Wonshik Choi, "Experimental measurement of the number of modes for a multimode optical fiber," Optics Letters, 37 4558 (2012) Selected as one of the top download papers of the month

  4. Youngwoon Choi, Changhyeong Yoon, Moonseok Kim, Taeseok Daniel Yang, Christopher Fang-Yen, Ramachandra R. Dasari, Kyoung Jin Lee, and Wonshik Choi, "Scanner-free and wide-field endoscopic imaging by using a single multimode optical fiber," Physical Review Letters, 109, 203901 (2012) highlighted, and selected as an editor’s suggestion with a view point

  5. Yongjin Sung, Wonshik Choi, Niyom Lue, Ramachandra R. Dasari and Zahid Yagoob, "Stain-free quantification of chromosomes in live cells using regularized tomographic phase microscopy,"" PLOS one, 7 e49502 (2012) 

  6. Wonjun Choi, Q-Han Park, and Wonshik Choi, "Perfect transmission through Anderson localized systems mediated by a cluster of localized modes," Optics Express, 20 20721 (2012)

  7. Moonseok Kim, Youngwoon Choi, Changhyeong Yoon, Wonjun Choi, Jaisoon Kim, Q-Han Park and Wonshik Choi, "Maximal energy transport through disordered media with the implementation of transmission eigenchannels," Nature Photonics, 6 581 (2012)

  8. Seungeun Oh, Christopher Fang-Yen, Wonshik Choi, Zahid Yaqoob, Dan Fu, YongKeun Park, Ramachandra R. Dasari, and Michael S. Feld, "Label-Free Imaging of Membrane Potential Using Membrane Electromotility," Biophysical Journal, 103 11-18 (2012) 

  9. Maxim Kalashnikov, Wonshik Choi, Martin Hunter, Chugh-Chieh Yu, Ramachandra R. Dasari and Michael S. Feld, "Assessing the contribution of cell body and intracellular organelles to the backward light scattering," Optics Express, 20 816 (2012). (Corresponding author) 

  10. Moonseok Kim, Youngwoon Choi, Christopher Fang-Yen, Yongjin Sung, Kwanhyung Kim, Ramachandra R. Dasari, Michael S. Feld and Wonshik Choi, "3D differential interference contrast microscopy using synthetic aperture imaging," Journal of Biomedical Optics, 17(2) 026003 (2012)

 

[2011]

  1. Youngwoon Choi, Moonseok Kim, Changhyeong Yoon, Taeseok Daniel Yang, Kyoung Jin Lee, and Wonshik Choi, "Synthetic aperture microscopy for high resolution imaging through a turbid medium" Vol. 36, No. 21 Optics Letters 4263(2011 Nov) ☞ The Best in Imaging Systems from OSA’s Journals

  2. Youngwoon Choi, Taeseok Daniel Yang, Christopher Fang-Yen, Pilsung Kang, Kyoung Jin Lee, Ramachandra R. Dasari, Michael S. Feld, and Wonshik Choi, "Overcoming the diffraction limit using multiple light scattering in a highly disordered medium," Physical Review Letters 107, 023902 (2011 July) 

  3. Youngwoon Choi, Taeseok Daniel Yang, Kyoung Jin Lee, and Wonshik Choi, "Full-field and single-shot quantitative phase microscopy using dynamic speckle illumination," Optics Letters 36 2465 (2011 July) ☞ The Best in Imaging Systems from OSA’s Journals

  4. Taeseok Daniel Yang, Jin-Sung Park, Youngwoon Choi, Wonshik Choi, Tae-Wook Ko, Kyoung J. Lee, "Zigzag Turning Preference of Freely Crawling Cells," PLoSOne 6 (6) e20255 (2011 June) 

  5. Zahid Yaqoob, Toyohiko Yamauchi, Wonshik Choi, Dan Fu, Ramachandra R. Dasari, and Michael S. Feld, "Single-shot Full-field reflection phase microscopy," Optics Express 19 7587 (2011) 

  6. Wonjun Choi, Allard P. Mosk, Q-Han Park and Wonshik Choi, "Transmission eigenchannels in a disordered medium," Physical Review B 83, 134207 (2011) (Corresponding author) 

  7. Moonseok Kim, Youngwoon Choi, Christopher Fang-Yen, Yongjin Sung, Ramachandra R. Dasari, Michael S. Feld, and Wonshik Choi, "High-speed synthetic aperture microscopy for live cell imaging," Optics Letters 36 148 (2011) (Corresponding author) 

  8. Christopher Fang-Yen, Wonshik Choi, Yongjin Sung, Charles J. Holbrow, Ramachandra R. Dasari, and Michael Feld, "Video-rate tomographic phase microscopy," Journal of Biomedical Optics, 16 011005 (2011) (Corresponding author)

 

[2010]

  1. Dan Fu, Wonshik Choi, Yongjin Sung, Zahid Yaqoob, Ramachandra R. Dasari, and Michael Feld, "Quantitative dispersion microscopy," Biomedical Optics Express, 1 347 (2010) 

  2. Wontaek Seo, Hyun-Gue Hong, Moonjoo Lee, Younghoon Song, Young-Tak Chough, Wonshik Choi, C. Fang-Yen, R. R. Dasari, M. S. Feld, Jai-Hyung Lee, and Kyungwon An, "Realization of a bipolar atomic Solc filter in the cavity-QED microlaser," Physical Review A, 81 053824 (2010) 

  3. Dan Fu, Seungeun Oh, Wonshik Choi, Toyohiko Yamauchi, August Dorn, Zahid Yaqoob, Ramachandra R. Dasari, and Michael S. Feld, "Quantitative DIC microscopy using an off-axis self-interference approach," Optics Letters, 35 2370 (2010) 

  4. Yongkeun Park, Monica Diez-Silva, Dan Fu, Gabriel Popescu, Wonshik Choi, Ishan Barman, Subra Suresh, and Michael S. Feld, "Static and dynamic light scattering of healthy and malaria-parasite invaded red blood cells," JBO Letters, 15 020506 (2010)

 

[2009]

  1. Dan Fu, Wonshik Choi, Yongjin Sung, Seungeun Oh, Zahid Yaqoob, Yongkeun Park, Ramachandra R. Dasari,1 and Michael S. Feld, "Ultraviolet refractometry using field-based light scattering spectroscopy," Optics Express, in press (2009)(Corresponding author, KU) 

  2. Maxim Kalashnikov, Wonshik Choi, Chung-Chieh Yu, Yongjin Sung, Ramachandra R. Dasari, Kamran Badizadegan, and Michael S. Feld, "Assessing light scattering of intracellular organelles in single intact living cells," Optics Express, in press (2009) (Corresponding author, KU) 

  3. Niyom Lue, Wonshik Choi, Gabriel Popescu, Zahid Yaqoob, Kamran Badizadegan, Ramachandra R. Dasari, and Michael S. Feld, "Live cell refractometry using Hilbert phase microscopy and confocal reflectance microscopy," Journal of physical chemistry A, in press (2009) (Corresponding author, KU) 

  4. Boris Khaykovicha, Natalia Kozlova, Wonshik Choi, Aleksey Lomakin, Chintan Hossain, Yongjin Sung, Ramachandra R. Dasari, Michael S. Feld, and George B. Benedek, "Thickness-radius relationship and spring constants of cholesterol helical ribbons," PNAS  106 15663 (2009) (KU) 

  5. Yongkeun Park, Wonshik Choi, Zahid Yaqoob, Ramachandra R. Dasari, Kamran Badizadegan, and Michael S. Feld, "Speckle-field digital holographic microscopy," Optics Express 17 12285 (2009 July 20) (Corresponding author, KU) 

  6. Zahid Yaqoob, Wonshik Choi, Seungeun Oh, Niyom Lue, Yongkeun Park, Christopher Fang-Yen, Ramachandra R. Dasari, Kamran Badizadegan,and Michael S. Feld, "Improved phase sensitivity in spectral domain phase microscopy using line-field illumination and self phase-referencing," Optics Express 17 10681 (2009 June 22) (Corresponding author, KU) 

  7. Hyng-Gue Hong, Wontaek Seo, Moonjoo Lee, Younghoon Song, Wonshik Choi, Christopher Fang-Yen, Ramachandra R. Dasari, Michael S. Feld, Jai-Hyung Lee, and Kyungwon An, "Effects of coupled bichromatic atom-cavity interaction in the cavity-QED microlaser," Physics Review A 79, 033816 (2009) 

  8. Yongjin Sung, Wonshik Choi, Christopher Fang-Yen, Kamran Badizadegan, Ramachandra R. Dasari and Michael S. Feld, " Optical diffraction tomography for high resolution live cell imaging," Optics Express 17 266 (2009) (Corresponding author)

 

[2008]

  1. Niyom Lue, Wonshik Choi, Gabriel Popescu, Kamran Badizadegan, Ramachandra R. Dasari and Michael S. Feld, " Synthetic aperture tomographic phase microscopy for 3D imaging of live cells in translational motion," Optics Express 16 16240 (2008) (Corresponding author) 

  2. Yongkeun Park, Monica Diez-Silva, Gabriel Popescu, George Lykorafitis, Wonshik Choi, Michael S. Feld and Subra Suresh, "Refractive index maps and membrane dynamics of human red blood cells parasitized by Plasmodium falciparum," Proceedings of the National Academy of Sciences of the United States of America 105, 13730 (2008) 

  3. Niyom Lue, Wonshik Choi, Kamran Badizadegan, Ramachandra R. Dasari, Michael S. Feld and Gabriel Popescu, "Confocal diffraction phase microscopy of live cells," Optics Letters 33, 2074 (2008) 

  4. G. Popescu, Y. Park, W. Choi, R. Dasari, M. Feld, and K. Badizadegan, "Imaging red blood cell dynamics by quantitative phase microscopy," Blood Cells, Molecules and Diseases 41, 10 (2008) 

  5. Wonshik Choi, Chung-Chieh Yu, Christopher Fang-Yen, Kamran Badizadegan, Ramachandra R. Dasari and Michael S. Feld, "Field-based angle-resolved light scattering study of single live cells," Optics Letters 33, 1596 (2008) 

  6. Wonshik Choi, Christopher Fang-Yen, Kamran Badizadegan, Ramachandra R. Dasari and Michael S. Feld, "Extended depth of focus in tomographic phase microscopy using a propagation algorithm," Optics Letters 33, 171 (2008)

 

[2007]

  1. "Tomographic phase microscopy," Physics today 60, 26 (2007) 

  2. Wonshik Choi, Christopher Fang-Yen, Kamran Badizadegan, Seungeun Oh, Niyom Lue, Ramachandra R. Dasari and Michael S. Feld, "Tomography phase microscopy," Nature Methods 4 717 (2007). 

  3. Christopher Fang-Yen, Seungeun Oh, Yongkeun Park, and Wonshik Choi, Sen Song and H. Sebastian Seung, Ramachandra R. Dasari and Michael S. Feld, "Imaging voltage-dependent cell motions with heterodyne Mach-Zehnder phase microscopy," Optics Letters 32, 1572 (June 2007). 

  4. Niyom Lue, Wonshik Choi, Gabriel Popescu, Takahiro Ikeda, Ramachandra R. Dasari, Kamran Badizadegan, and Michael S. Feld, "Quantitative phase imaging of live cells using fast Fourier phase microscopy," Applied Optics 46, 1836-1842 (April 2007)

 

[2006]

  1. Hyun-Gue Hong, Wontaek Seo, Moonjoo Lee, Wonshik Choi, Jai-Hyung Lee, and Kyungwon An, "Spectral line-shape measurement of an extremely weak amplitude-fluctuating light source by photon-counting-based second-order correlation spectroscopy," Optics Letters 31, 3182 (November 2006) 

  2. Christopher Fang-Yen, Chung-Chieh Yu, Sangkeun Ha, Wonshik Choi, Kyungwon An, Ramachandra R. Dasari, and Michael S. Feld, "Observation of multiple thresholds in the many-atom cavity QED microlaser," Physical Review A 73, 042002 (April 2006) 

  3. Wonshik Choi, Jai-Hyung Lee, Kyungwon An, C. Fang-Yen, R. R. Dasari, and M. S. Feld, "Observation of sub-Poisson Photon Statistics in the Cavity-QED Microlaser," Physical Review Letters 96, 093603 (March 2006)

 

[2005]

  1. Wonshik Choi, Moonjoo Lee, Ye-Ryoung Lee, Changsoon Park, Jai-Hyung Lee, and Kyungwon An, C. Fang-Yen, R. R. Dasari, and M. S. Feld, "Calibration of Second-order correlation functions for nonstationary sources with a multistart, multistop time-to-digital converter," Review of Scientific Instruments 76, 083109 (July 2005)

 

[2004]

  1. Myoung-Kyu Oh, Wonshik Choi, Jin-Ho Jeon, Moonjoo Lee, Youngwoon Choi, Sangbum Park, Jai-Hyung Lee, Kyungwon An, "Measurement of hyperfine structures and isotope shifts in 4f 55d6s2 and 4f 66s6p of Sm I," Spectrochimica Acta Part B 59, 1919- 1926 ( September 2004). 

  2. Jin-Ho Jeon, Wonshik Choi, Myoung-Kyu Oh, Kyungwon An, Jai-Hyung Lee, "Generation of optical vortices using light-induced phase mask in a V-type system," Optics Communications 242, 199-207 (August 2004).

 

[2002]

  1. Won-Kyu Lee, Myoung-Kyu Oh, Won-Shik Choi, Jin-Ho Jeon, Jai-Hyung Lee and Joon-Sung Chang, "Self-Induced Transparency in Samarium Atomic Vapor under Condition of High Temperature and High Density," Jpn. J. Appl. Phys 41, pp. 5170-5176 (April 2002).

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