High-Extinction-Ratio PCSEL-Based On-off-Keyed Signal Generation for Fiber-Amplifier-Free Space Optical Communications. - Shota Ishimura; Takuya Inoue; Shin Fukuhara; Ryohei Morita; Hidenori Takahashi; Takehiro Tsuritani; Menaka de Zoysa; Kenji Ishizaki; Masatoshi Suzuki; Susumu Noda (OFC, 2025)