IEICE Transactions on Electronics E98C(8) 769-776 2015年8月 [査読有り]
Optical single sideband (SSB) modulation with theMach- Zehnder (MZ) interferometer was realized by integrating the modulation electrode with the branch-line coupler (BLC) as a 90-degree hybrid onto the modulator substrate. In this paper, BLCs of t...
2015 German Microwave Conference, GeMiC 2015 327-330 2015年5月 [査読有り]
This paper presents a compact multiple-port power divider with a Substrate Integrated Waveguide (SIW) structure. The proposed divider consists of several cascaded-connected directional couplers inserted a number of metallic posts within the SIW wi...
2014 International Topical Meeting on Microwave Photonics / the 9th Asia-Pacific Microwave Photonics Conference, MWP/APMP 2014 - Proceedings 415-418 2014年12月 [査読有り]
Optical single sideband (SSB) modulation can be realized by using a Mach-Zehnder (MZ) interferometer with the branch-line coupler (BC) circuit as a 90 degree hybrid. In this paper, a miniaturized configuration of the BC circuit with installed seri...
European Microwave Week 2014: Connecting the Future, EuMW 2014 - Conference Proceedings; EuMC 2014: 44th European Microwave Conference 668-671 2014年12月 [査読有り]
The branch-line coupler (BC) circuit of miniaturized configuration using periodically installed open circuit stabs was designed onto an electro-optic (EO) crystal, LiNbO3, substrate at 10 GHz. The operation as the 90 degree hybrid was confirmed at...