Design of an optical phased array using an electro-optic polymer waveguide serially grafted with a silicon nitride waveguide

2021 ◽  
Author(s):  
Yuji Miyamoto ◽  
Masato Miura ◽  
Yoshikuni Hirano ◽  
Nobuhiko Funabashi ◽  
Rieko Ueda ◽  
...  
Keyword(s):  
Silicon Nitride ◽  
Phased Array ◽  
Polymer Waveguide ◽  
Electro Optic ◽  
Optical Phased Array

scholarly journals Beam Deflection of the Optical Phased Array using Electro-Optic Polymer Waveguide Arrays of 4μm pitch

2019 ◽  
Vol 73 (2) ◽  
pp. 392-396
Author(s):  
Yoshikuni Hirano ◽  
Yuji Miyamoto ◽  
Yasushi Motoyama ◽  
Kenji Machida ◽  
Katsu Tanaka ◽  
...  
Keyword(s):  
Phased Array ◽  
Beam Deflection ◽  
Waveguide Arrays ◽  
Polymer Waveguide ◽  
Electro Optic ◽  
Optical Phased Array

scholarly journals Wide-Angle Beam-Steering Using an Optical Phased Array with Non-Uniform-Width Waveguide Radiators

Photonics ◽  
2020 ◽  
Vol 7 (3) ◽  
pp. 56
Author(s):  
Youngin Kim ◽  
Hyeonho Yoon ◽  
Jong-Bum You ◽  
Minchul Kim ◽  
Hyo-Hoon Park
Keyword(s):  
Phased Array ◽  
Beam Steering ◽  
Side Lobe ◽  
Phase Shifters ◽  
Wide Angle ◽  
Half Wavelength ◽  
Electro Optic ◽  
Optical Phased Array ◽  
Diffraction Patterns ◽  
Silicon Based

We demonstrate wide-angle beam-steering using an optical phased array (OPA) with waveguide radiators designed with non-uniform widths to reduce the crosstalk between waveguides. The OPA consists of a silicon based 1 × 16 array of electro-optic phase shifters and end-fire radiators. The 16 radiators were configured with four different widths and a half-wavelength spacing, which can remove the higher-order diffraction patterns in free space. The waveguides showed a low crosstalk of −10.2 dB at a wavelength of 1540 nm. With phase control, the OPA achieved wide beam-steering of over ±80° with a side-lobe suppression of 7.4 dB.

scholarly journals Compact solid-state optical phased array beam scanners based on polymeric photonic integrated circuits

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Sung-Moon Kim ◽  
Eun-Su Lee ◽  
Kwon-Wook Chun ◽  
Jinung Jin ◽  
Min-Cheol Oh
Keyword(s):  
Solid State ◽  
Integrated Circuits ◽  
Phased Array ◽  
Phase Distribution ◽  
Bragg Reflector ◽  
Free Space Optical ◽  
Beam Scanning ◽  
Optical Links ◽  
Polymer Waveguide ◽  
Optical Phased Array

AbstractOptical phased array (OPA) devices are being actively investigated to develop compact solid-state beam scanners, which are essential in fields such as LiDAR, free-space optical links, biophotonics, etc. Based on the unique nature of perfluorinated polymers, we propose a polymer waveguide OPA with the advantages of low driving power and high optical throughput. Unlike silicon photonic OPAs, the polymer OPAs enable sustainable phase distribution control during beam scanning, which reduces the burden of beamforming. Moreover, by incorporating a tunable wavelength laser comprising a polymer waveguide Bragg reflector, two-dimensional beam scanning is demonstrated, which facilitates the development of laser-integrated polymeric OPA beam scanners.

Progress of Optical Phased Array Technology Based on Electro-Optic Material

2008 ◽  
Vol 35 (12) ◽  
pp. 1861-1867
Author(s):  
瞿荣辉 Qu Ronghui ◽  
叶青 Ye Qing ◽  
董作人 Dong Zuoren ◽  
方祖捷 Fang Zujie
Keyword(s):  
Phased Array ◽  
Electro Optic ◽  
Array Technology ◽  
Optical Phased Array

High Efficiency Optical Phased Array Using Silicon Nitride Waveguide

2020 ◽  
Vol 70 (9) ◽  
pp. 752-758
Author(s):  
Byeongchan PARK ◽  
Nan Ei YU* ◽  
Seong-Jin SON
Keyword(s):  
Silicon Nitride ◽  
Phased Array ◽  
High Efficiency ◽  
Optical Phased Array
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