The following publications are possibly variants of this publication:
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- All-Optical PAM4 to 16QAM Modulation Format Conversion Using Nonlinear Optical Loop Mirror and 1: 2 CouplerYuta Matsumoto, Ken Mishina, Daisuke Hisano, Akihiro Maruta. ieicetb, 103-B(11):1272-1281, 2020. [doi]
- 2-Bit All-Optical Analog-to-Digital Conversion by Slicing Supercontinuum Spectrum and Switching with Nonlinear Optical Loop Mirror and Its Application to Quaternary ASK-to-OOK Modulation Format ConverterSho-ichiro Oda, Akihiro Maruta. ieicet, 88-B(5):1963-1969, 2005. [doi]
- All-Optical Modulation Format Conversions from PAM4 to QPSK and 16QAM Using Silicon-Rich Nitride WaveguidesYuto Fujihara, Asahi Sueyoshi, Alisson Rodrigues de Paula, Akihiro Maruta, Ken Mishina. ieicetb, 106(11):1074-1083, November 2023. [doi]
- Wavelength Conversion Characteristics of SOA-MZI Based All-Optical NRZ-OOK/RZ-BPSK Modulation Format ConverterSuresh M. Nissanka, Ken Mishina, Akihiro Maruta, Shunsuke Mitani, Kazuyuki Ishida, Katsuhiro Shimizu, Tatsuo Hatta, Ken-ichi Kitayama. ieicet, 91-B(7):2160-2164, 2008. [doi]