Optical MIMO signal processing for direct-detection mode-division multiplexing. - Karthik Choutagunta; Sercan Ö. Arik; Mehrad Moradshahi; Joseph M. Kahn (ICTON, 2017)

Modeling and Tracking Dynamic Mode Coupling in MDM Systems. - Karthik Choutagunta; Ian Roberts; Joseph M. Kahn (ECOC, 2018)

High-Spectral-Efficiency Mode-Multiplexed Transmission Over Graded-Index Multimode Fiber. - Roland Ryf; Nicolas K. Fontaine; Steffen Wittek; Karthik Choutagunta; Mikael Mazur; Haoshuo Chen; Juan Carlos Alvarado-Zacarias; Rodrigo Amezcua Correa; Mark Cappuzzo; Rose Kopf; Al Tate; Hugo Safar; et al. (ECOC, 2018)

An Application of Generative Adversarial Networks for Super Resolution Medical Imaging. - Rewa Sood; Binit Topiwala; Karthik Choutagunta; Rohit Sood; Mirabela Rusu (ICMLA, 2018)

Modal Dynamics in Spatially Multiplexed Links. - Karthik Choutagunta; Roland Ryf; Nicolas K. Fontaine; Steffen Wittek; Juan Carlos Alvarado-Zacarias; Mikael Mazur; Haoshuo Chen; René-Jean Essiambre; Rodrigo Amezcua Correa; Tetsuya Hayashi; Yoshiaki Tamura; Takemi Hasegawa; et al. (OFC, 2019)

Mode-Multiplexed Transmission within and Across Mode Groups of a Multimode-Fiber. - Steffen Wittek; Roland Ryf; Nicolas K. Fontaine; Karthik Choutagunta; Mikael Mazur; Haoshuo Chen; Juan Carlos Alvarado-Zacarias; Mark Cappuzzo; Rose Kopf; Al Tate; Hugo Safar; Cristian A. Bolle; et al. (OFC, 2019)

Impact and Mitigation of Polarization- or Mode-Dependent Gain in Ultra-Long-Haul Systems. - Hrishikesh Srinivas; Elaine S. Chou; Darli A. A. Mello; Karthik Choutagunta; Joseph M. Kahn (ICTON, 2020)

Impact and Mitigation of Mode-Dependent Gain in Ultra-Long-Haul SDM Systems. - Darli A. A. Mello; Ruby S. B. Ospina; Hrishikesh Srinivas; Karthik Choutagunta; Elaine Chou; Joseph M. Kahn (OFC, 2023)

Hybrid TFDM Coherent PON Featuring Adaptable Capacity and Out-of-band Communication Channels. - Haipeng Zhang 002; Zhensheng Jia; Luis Alberto Campos; Karthik Choutagunta; Curtis Knittle (OFC, 2024)

Single-Laser BiDirectional Coherent PON: A Hybrid SC/DSC Architecture for Flexible and Cost-Efficient Optical Access Networks. - Haipeng Zhang 002; Zhensheng Jia; Luis Alberto Campos; Karthik Choutagunta; Curtis Knittle (OFC, 2025)

Adaptive TFDM coherent PON: a flexible architecture with variable modulation formats and baud rates for next-generation optical access networks. - Haipeng Zhang 002; Zhensheng Jia; Luis Alberto Campos; Karthik Choutagunta; Curtis Knittle (J. Opt. Commun. Netw., 2025)