Publications

Selected journal publications
Researchgate [https://www.researchgate.net/profile/Muhan-Choi]

Shape-tailored whispering gallery microcavity lasers designed by transformation optics

Yong-Hoon Lee, Honghwi Park, Inbo Kim, Sang-Jun Park, Sunghwan Rim, Byoung Jun Park, Moohyuk Kim, Yushin Kim, Myung-Ki Kim, Won Seok Han, Hosung Kim, Hongsik Park, and Muhan Choi

Photonics Research (2023)

Liquid phase IR detector based on the photothermal effect of reduced graphene oxide-doped liquid crystals
Mohammad A. Adeshina,  Hakseon Lee,  BharathKumar Mareddi,  Daekyung Kang, Abdulazeez M. Ogunleye, Hyunmin Kim,  Taewan Kim,  Muhan Choi, Hongsik Park, Jonghoo Park
Nanoscale (2023)

Chiral exceptional point in transformation cavity
Sang-Jun Park, Inbo Kim, Sunghwan Rim, Muhan Choi
Optics Letters (2022)

Layer-resolved release of epitaxial layers in III-V heterostructure via a buffer-free mechanical separation technique
Honghwi Park, Heungsup Won, Changhee Lim, Yuxuan Zhang, Won Seok Han, Sung-Bum Bae, Chang-Ju Lee, Yeho Noh, Junyeong Lee, Jonghyung Lee, Sunghwan Jung, Muhan Choi, Sunghwan Lee, Hongsik Park
Science Advances (2022)

Effects of Thermally Induced Phase Transition on the Negative Thermo-Optic Properties of Atomic-Layer-Deposited TiO2 Films
Honghwi Park, Jaedong Jung, Yuxuan Zhang, Mingyuan Liu, Jonghyung Lee, Hyowoong Noh, Muhan Choi, Sunghwan Lee, Hongsik Park
ACS Applied Electronic Materials (2022)

A robust scheme for unidirectional emission from a hybrid whispering gallery cavity system based on transformation optics
Ji-Hun Lim, Yong-Hoon Lee, Inbo Kim, Jinhang Cho, Sunghwan Rim, Sang-Jun Park, Muhan Choi
Optics Express (2021)

Birefringent whispering gallery cavities designed by linear transformation optics
Sang-Jun Park, Ji-Hun Lim, Yong-Hoon Lee, Inbo Kim, Jinhang Cho, Sunghwan Rim, Muhan Choi
Optics Express (2021)

Universal light-guiding geometry for on-chip resonators having extremely high Q-factor
Dae-Gon Kim, Sangyoon Han, Joonhyuk Hwang, In Hwan Do, Dongin Jeong, Ji-Hun Lim, Yong-Hoon Lee, Muhan Choi, Yong-Hee Lee, Duk-Yong Choi, Hansuek Lee
Nature Communications (2020)

Boundary integral equation method for resonances in gradient index cavities designed by conformal transformation optics
Jung-Wan Ryu, Jinhang Cho, Soo-Young Lee, Yushin Kim, Sang-Jun Park, Sunghwan Rim, Muhan Choi & Inbo Kim
Scientific Reports (2019)

Designing arbitrary-shaped whispering-gallery cavities based on transformation optics
Sang-Jun Park, Inbo Kim, Jinhang Cho, Yushin Kim, Muhan Choi
Optics Express (2019)

Optimization of conformal whispering gallery modes in limacon-shaped transformation cavities
Jung-Wan Ryu, Jinhang Cho, Inbo Kim, Muhan Choi
Scientific Reports (2019)

Husimi functions at gradient index cavities designed by conformal transformation optics
Inbo Kim,  Jinhang Cho, Yushin Kim, Bumki min, Jung-Wan Ryu, Sunghwan Rim and Muhan Choi
Optics Express (2018)

Realization of a High Sensitivity Microphone for a Hearing Aid Using a Graphene−PMMA Laminated Diaphragm
SeongTak Woo, Jae-Hyung Han, Jyung Hyun Lee, Sunghun Cho, Ki-Woong Seong, Muhan Choi and Jin-Ho Cho
ACS Applied Materials & Interfaces (2017)

Designing whispering gallery modes via transformation optics
Yushin Kim, Soo-Young Lee, Jung-Wan Ryu, Inbo Kim, Jae-Hyung Han, Heung-Sik Tae, Muhan Choi and Bumki Min
Nature Photonics (2016)

Terahertz transmission resonances in complementary multilayered metamaterial with deep subwavelength interlayer spacing
Muhan Choi, Byungsoo Kang, Yoonsik Yi, Seung Hoon Lee, Inbo Kim, Jae-Hyung Han, Minwoo Yi, Jaewook Ahn and Choon-Gi Choi
Applied Physics Letters (2016)

Rotationally reconfigurable metamaterials based on moiré phenomenon
Jae-Hyung Han, Inbo Kim, Jung-Wan Ryu, Jungjoon Kim, Jin-Ho Cho, Geo-Su Yim, Hyun-Sung Park, Bumki Min and Muhan Choi
Optics Express (2015)

Abnormal high-Q modes of coupled stadium-shaped microcavities
Jung-Wan Ryu, and Soo-Young Lee, Inbo Kim, Muhan Choi, Martina Hentschel and Sang Wook Kim
Optics Letters (2014)

Subwavelength imaging in the visible range using a metal coated carbon nanotube forest
Jong-Ho Choe, Muhan Choi, Won Jun Lee, Byungsoo Kang, Jinhyung Kim, Min-Kyo Seo, Bumki Min, Sang Ouk Kim and Choon-Gi Choi
Nanoscale (2014)

Quantum Goos-H¨anchen shift and tunneling transmission at a curved step potential
Soo-Young Lee, Jeremy Le Deunff, Muhan Choi and Roland Ketzmerick
Physical Review A (2014)

Fabrication of terahertz metamaterial with high refractive index using high-resolution electrohydrodynamic jet printing
Hadi Teguh Yudistira, Ayodya Pradhipta Tenggara, Vu Dat Nguyen, Teun Teun Kim, Fariza Dian Prasetyo, Choon-gi Choi, Muhan Choi and Doyoung Byun
Applied Physics Letters (2013)

Reversibly Stretchable and Tunable Terahertz Metamaterials with Wrinkled Layouts
Seungwoo Lee, Seongnam Kim , Teun-Teun Kim , Yushin Kim , Muhan Choi , Seung Hoon Lee , Ju-Young Kim and Bumki Min
Advanced Materials (2012)

Switching terahertz waves with gate-controlled active graphene metamaterials
Seung Hoon Lee, Muhan Choi, Teun-Teun Kim, Seungwoo Lee, Ming Liu, Xiaobo Yin, Hong Kyw Choi, Seung S. Lee, Choon-Gi Choi, Sung-Yool Choi, Xiang Zhang and Bumki Min
Nature Materials (2012)

A terahertz metamaterial with unnaturally high refractive index
Muhan Choi, Seung Hoon Lee, Yushin Kim, Seung Beom Kang, Jonghwa Shin, Min Hwan Kwak, Kwang-Young Kang, Yong-Hee Lee, Namkyoo Park and Bumki Min
Nature (2011)

Low-loss surface-plasmonic nanobeam cavities
Myung-Ki Kim, Seung Hoon Lee, Muhan Choi, Byeong-Hyeon Ahn, Namkyoo Park, Yong-Hee Lee, Bumki Min
Optics Express (2010)

Linewidth properties of active-passive coupled monolithic InGaAs semiconductor ring lasers
Muhan Choi, Tomoko Tanaka, Satoshi Sunada, Takahisa Harayama
Applied Physics Letters (2009)

Dependence of far-field characteristics on the number of lasing modes in stadium-shaped InGaAsP microlasers
Muhan Choi, Susumu Shinohara, Takahisa Harayama
Optics Express (2008)

Ray and wave dynamical properties of a spiral-shaped dielectric microcavity
SY Lee, S Rim, JW Ryu, TY Kwon, M Choi, Ch-M Kim
Journal of Physics A: Mathematical and Theoretical (2008)

Alternate oscillations in quasistadium laser diodes
Muhan Choi, Takehiro Fukushima, Takahisa Harayama
Physical Review A (2008)

Control of directional emission in quasistadium microcavity laser diodes with two electrodes
Muhan Choi, Tomoko Tanaka, Takehiro Fukushima, Takahisa Harayama
Applied Physics Letters (2006)

Encryption with synchronized time-delayed systems
Won-Ho Kye, Muhan Choi, Chil-Min Kim, Young-Jai Park
Physical Review E (2005)

Synchronization of chaotic oscillators due to common delay time modulation
Won-Ho Kye, Muhan Choi, MS Kurdoglyan, Chil-Min Kim, Young-Jai Park
Physical Review E (2004)

Quasiscarred resonances in a spiral-shaped microcavity
Soo-Young Lee, Sunghwan Rim, Jung-Wan Ryu, Tae-Yoon Kwon, Muhan Choi, Chil-Min Kim
Physical Review Letters (2004)

Effects of time-delayed feedback on chaotic oscillators
Jung-Wan Ryu, Won-Ho Kye, Soo-Young Lee, Myung-Woon Kim, Muhan Choi, Sunghwan Rim, Young-Jai Park, Chil-Min Kim
Physical Review E (2004)

Characteristics of a delayed system with time-dependent delay time
Won-Ho Kye, Muhan Choi, Sunghwan Rim, MS Kurdoglyan, Chil-Min Kim, Young-Jai Park
Physical Review E (2004)

Transition from phase synchronization to complete synchronization in mutually coupled nonidentical Nd: YAG lasers
Muhan Choi, KV Volodchenko, Sunghwan Rim, Won-Ho Kye, Chil-Min Kim, Young-Jai Park, Gyu Ug Kim
Optics Letters (2003)