Novel Lightwave-Interferometric Phase Detection for Phase Stabilization of Two-Tone Coherent Millimeter-Wave/Microwave Carrier Generation

Shota TAKEUCHI  Kazuki SAKUMA  Kazutoshi KATO  Yasuyuki YOSHIMIZU  Yu YASUDA  Shintaro HISATAKE  Tadao NAGATSUMA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E99-C   No.9   pp.1048-1055
Publication Date: 2016/09/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E99.C.1048
Type of Manuscript: PAPER
Category: Optoelectronics
Keyword: 
millimeter-wave/microwave generation,  phase stabilization,  Mach-Zehnder interferometer,  photomixing,  

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Summary: 
For phase stabilization of two-tone coherent millimeter-wave/microwave carrier generation, two types of phase detection schemes were devised based on lightwave interferometric technique, the Mach-Zehnder interferometric method and the pseudo Mach-Zehnder interferometric method. The former system showed clear eye patterns at both OOK and PSK modulations of 1 Gbit/s on the 12.5-GHz carrier. The latter system demonstrated the error-free transmission at OOK modulation of 11 Gbit/s on the 100-GHz carrier.