Ryu, Bowon Shin, Seungyong Kang, Myungjin Moon, Young Joon Kyhm, Jihoon Moon, Hyowon Jang, Ho Seong Song, Yong-Won 2026-01-02T06:30:05Z 2026-01-02T06:30:05Z 2025-12-23 2025-06 2166-8884 https://pubs.kist.re.kr/handle/201004/153944 We explore multiphoton polymerization as direct laser writing process for optical waveguides in all-fiber regime employing telecomm-wavelength lasers. Up-conversion nanoparticles are incorporated for both cascaded up-conversion process and nonlinear laser mode-locking, resulting in 746-fs pulses. English IEEE Multiphoton Polymerization-Processed Optical Waveguides with 1550-nm Laser Conference 1 2025 International Conference on Photonics in Switching and Computing-PSC 2025 International Conference on Photonics in Switching and Computing-PSC US Sapporo, JAPAN 2025-06-29 2025 30TH OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE, OECC AND 2025 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING AND COMPUTING, PSC 001582826400324