|Ultrafast all-optical switching by cross-absorption modulation in silicon wire waveguides|
TK Liang, LR Nunes, T Sakamoto, K Sasagawa, T Kawanishi, M Tsuchiya, ...
Optics Express 13 (19), 7298-7303, 2005
|Implantable CMOS biomedical devices|
J Ohta, T Tokuda, K Sasagawa, T Noda
Sensors 9 (11), 9073-9093, 2009
|Highly efficient third harmonic generation in a periodically poled MgO: LiNbO3 disk resonator|
K Sasagawa, M Tsuchiya
Applied Physics Express 2 (12), 122401, 2009
|CMOS-based multichip networked flexible retinal stimulator designed for image-based retinal prosthesis|
T Tokuda, K Hiyama, S Sawamura, K Sasagawa, Y Terasawa, K Nishida, ...
IEEE transactions on electron devices 56 (11), 2577-2585, 2009
|Polarisation-analysing CMOS photosensor with monolithically embedded wire grid polariser|
T Tokuda, S Sato, H Yamada, K Sasagawa, J Ohta
Electronics letters 45 (4), 228-230, 2009
|Live electrooptic imaging system based on ultraparallel photonic heterodyne for microwave near-fields|
K Sasagawa, A Kanno, T Kawanishi, M Tsuchiya
IEEE transactions on microwave theory and techniques 55 (12), 2782-2791, 2007
|-band -doped tellurite glass microsphere laser via a cascade process|
K Sasagawa, Z Yonezawa, R Iwai, J Ohta, M Nunoshita
Applied physics letters 85 (19), 4325-4327, 2004
|Image sensor pixel with on-chip high extinction ratio polarizer based on 65-nm standard CMOS technology|
K Sasagawa, S Shishido, K Ando, H Matsuoka, T Noda, T Tokuda, ...
Optics express 21 (9), 11132-11140, 2013
|Polarization-analyzing CMOS image sensor with monolithically embedded polarizer for microchemistry systems|
T Tokuda, H Yamada, K Sasagawa, J Ohta
IEEE Transactions on biomedical circuits and systems 3 (5), 259-266, 2009
|An implantable CMOS device for blood-flow imaging during experiments on freely moving rats|
M Haruta, C Kitsumoto, Y Sunaga, H Takehara, T Noda, K Sasagawa, ...
Japanese Journal of Applied Physics 53 (4S), 04EL05, 2014
|Development of complementary metal oxide semiconductor imaging devices for detecting green fluorescent protein in the deep brain of a freely moving mouse|
A Tagawa, A Higuchi, T Sugiyama, K Sasagawa, T Tokuda, H Tamura, ...
Japanese Journal of Applied Physics 48 (4S), 04C195, 2009
|Real-time monitoring system of RF near-field distribution images on the basis of 64-channel parallel electro-optic data acquisition|
K Sasagawa, M Tsuchiya
IEICE Electronics Express 2 (24), 600-606, 2005
|Novel implantable imaging system for enabling simultaneous multiplanar and multipoint analysis for fluorescence potentiometry in the visual cortex|
T Kobayashi, M Motoyama, H Masuda, Y Ohta, M Haruta, T Noda, ...
Biosensors and Bioelectronics 38 (1), 321-330, 2012
|CMOS image sensor-based implantable glucose sensor using glucose-responsive fluorescent hydrogel|
T Tokuda, M Takahashi, K Uejima, K Masuda, T Kawamura, Y Ohta, ...
Biomedical optics express 5 (11), 3859-3870, 2014
|Multimodal Complementary Metal–Oxide–Semiconductor Sensor Device for Imaging of Fluorescence and Electrical Potential in Deep Brain of Mouse|
A Tagawa, H Minami, M Mitani, T Noda, K Sasagawa, T Tokuda, ...
Japanese Journal of Applied Physics 49 (1S), 01AG02, 2010
|Highly sensitive lens-free fluorescence imaging device enabled by a complementary combination of interference and absorption filters|
K Sasagawa, A Kimura, M Haruta, T Noda, T Tokuda, J Ohta
Biomedical optics express 9 (9), 4329-4344, 2018
|Polarization analyzing image sensor with on-chip metal wire grid polarizer in 65-nm standard complementary metal oxide semiconductor process|
S Shishido, T Noda, K Sasagawa, T Tokuda, J Ohta
Japanese journal of applied physics 50 (4S), 04DL01, 2011
|Development and in vivo demonstration of CMOS-based multichip retinal stimulator with simultaneous multisite stimulation capability|
T Tokuda, Y Takeuchi, Y Sagawa, T Noda, K Sasagawa, K Nishida, ...
IEEE transactions on biomedical circuits and systems 4 (6), 445-453, 2010
|CMOS on-chip bio-imaging sensor with integrated micro light source array for optogenetics|
T Tokuda, H Kimura, T Miyatani, Y Maezawa, T Kobayashi, T Noda, ...
Electronics letters 48 (6), 312-314, 2012
|Functional neuroimaging by using an implantable CMOS multimodal device in a freely-moving mouse|
T Kobayashi, H Tamura, Y Hatanaka, M Motoyama, T Noda, K Sasagawa, ...
2011 IEEE Biomedical Circuits and Systems Conference (BioCAS), 110-113, 2011