Journal Articles

• Silicon Photonic Beam Steerer Based on Metalens Focal Plane Array
  Chung-Yu Hsu†, Ping-Yen Hsieh†, Hsun-Sung Chiu, Li-Jun Tung, Chieh-Chih Yu,
  Ko-Chi Chen, Yu-Heng Hong, Hao-Chung Kuo, Chi-Wai Chow, You-Chia Chang
  arXiv:2603.26654 (2026). †: co-first authors

• Highly squeezed nanophotonic quantum microcombs with broadband frequency tunability
  Yichen Shen†, Ping-Yen Hsieh†, Dhruv Srinivasan, Antoine Henry, Gregory Moille, Sashank Kaushik Sridhar, Alessandro Restelli, You-Chia Chang, Kartik Srinivasan, Thomas A. Smith, Avik Dutt
  arXiv:2505.03734 (2025). †: co-first authors

• Strong nanophotonic quantum squeezing exceeding 3.5 dB in a foundry-compatible Kerr microresonator
  Yichen Shen, Ping-Yen Hsieh, Sashank Kaushik Sridhar, Samantha Feldman, You-Chia Chang, Thomas A. Smith, Avik Dutt
  Optica 12, 302-308 (2025).

• Metasurfaces on Silicon Photonic Waveguides for Simultaneous Emission Phase and Amplitude Control
  Ping-Yen Hsieh, Shun-Lin Fang, Yu-Siang Lin, Wen-Hsien Huang, Jia-Min Shieh, Peichen Yu, and You-Chia Chang
  Optics Express 31, 12487-12496 (2023). *Top downloads in April 2023

• Integrated Metasurfaces on Silicon Photonics for Emission Shaping and Holographic Projection
  Ping-Yen Hsieh, Shun-Lin Fang, Yu-Siang Lin, Wen-Hsien Huang, Jia-Min Shieh, Peichen Yu, and You-Chia Chang
  Nanophotonics 11, 4687-4695 (2022).

Conference Proceedings

• Strong squeezing from seed-assisted parametric amplification and its gain dependence in SiN microresonators
  Yichen Shen†, Ping-Yen Hsieh†, Dhruv Srinivasan, Antoine Henry, Sashank Kaushik Sridhar, You-Chia Chang, Thomas A. Smith, Avik Dutt
  SPIE Photonics West, 13920-83 (2026) †: co-first authors

• Observation of a bright squeezed quantum frequency comb in nanophotonics
  Yichen Shen†, Ping-Yen Hsieh†, Dhruv Srinivasan, Antoine Henry, Sashank Kaushik Sridhar, You-Chia Chang, Thomas A. Smith, Avik Dutt
  CLEO, paper FF103.7 (2025). †: co-first authors

• Strong nanophotonic quantum squeezing exceeding 3.5 dB in Kerr microresonator
  Yichen Shen, Ping-Yen Hsieh, Sashank Kaushik Sridhar, Samantha Feldman, You-Chia Chang, Thomas A. Smith, Avik Dutt
  OFC, paper M3E.2 (2025).

• 2D wide field-of-view (FOV) metalens focal plane array (FPA) based silicon photonic beam steering for optical wireless communication (OWC)
  Pin-Cheng Kuo, Chung-Yu Hsu, Ping-Yen Hsieh, Yuan-Zeng Lin, You-Chia Chang, Chi-Wai Chow OFC, paper Th2A.41 (2025).

• Silicon Photonic Beam Steerer Based on Metalens Focal Plane Array with Direction Fine-tuning
  Ping-Yen Hsieh and You-Chia Chang
  CLEO, paper SW4O.5 (2024).

• Silicon Photonic On-chip Metasurfaces with Simultaneous Emission Amplitude and Phase Control
  Ping-Yen Hsieh, Shun-Lin Fang, Yu-Siang Lin, Wen-Hsien Huang, Jia-Min Shieh, Peichen Yu, and You-Chia Chang
  Optics and Photonics Taiwan International Conference (OPTIC), 2022-FRI-S0102-O002 (2022). *Receive student oral paper award

• Metasurfaces on Silicon Photonics for Simultaneous Emission Amplitude and Phase Control
  Yu-Siang Lin, Ping-Yen Hsieh, Shun-Lin Fang, and You-Chia Chang
  CLEO, paper FF2D.8 (2022)

• Shaping Free-space Emission with Monolithically Integrated Metalenses on Silicon Photonic Waveguides
  Ping-Yen Hsieh, Yu-Siang Lin, Shun-Lin Fang, and You-Chia Chang
  CLEO, paper SM4P.7 (2022)

• Metasurface on silicon photonics for free-space applications
  Ping-Yen Hsieh, Yi Zhao, Chung-Yu Hsu, Min Chul Shin, Christopher T. Phare, Steven A. Miller, Euijae Shim, Michal Lipson, and You-Chia Chang
  International Symposium on Imaging, Sensing (ISOM), We-C-02 (2021).

• Metasurface on silicon photonics for beam steering and focusing
  Ping-Yen Hsieh, Yi Zhao, Chung-Yu Hsu, Min Chul Shin, Christopher T. Phare, Steven A. Miller, Euijae Shim, Michal Lipson, and You-Chia Chang
  OECC, paper S4D.2 (2021)