Degradation Mode Analysis on Highly Reliable Guardring-Free Planar InAlAs Avalanche Photodiodes
Ishimura, E., Yagyu, E., Nakaji, M., Ihara, S., Yoshiara, K., Aoyagi, T., Tokuda, Y., Ishikawa, T.
Published in Journal of lightwave technology (01.12.2007)
Published in Journal of lightwave technology (01.12.2007)
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Journal Article
60GHz High Isolation SPDT MMIC switches using shunt pHEMT resonator
Yoshihiro Tsukahara, Hirotaka Amasuga, Seiki Goto, Tomoki Oku, Takahide Ishikawa
Published in 2008 IEEE MTT-S International Microwave Symposium Digest (01.06.2008)
Published in 2008 IEEE MTT-S International Microwave Symposium Digest (01.06.2008)
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Conference Proceeding
Improvement of DC and RF Characteristics of AlGaN/GaN High Electron Mobility Transistors by Thermally Annealed Ni/Pt/Au Schottky Gate
Nanjo, Takuma, Miura, Naruhisa, Oishi, Toshiyuki, Suita, Muneyoshi, Abe, Yuji, Ozeki, Tatsuo, Nakatsuka, Shigenori, Inoue, Akira, Ishikawa, Takahide, Matsuda, Yoshio, Ishikawa, Hiroyasu, Egawa, Takashi
Published in Japanese Journal of Applied Physics (01.04.2004)
Published in Japanese Journal of Applied Physics (01.04.2004)
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Journal Article
A Nonlinear Drain Resistance Model for a High Power Millimeter-wave PHEMT
Inoue, A., Amasuga, H., Goto, S., Kunii, T., Wong, M.R., del Alamo, J.A., Oku, T., Ishikawa, T.
Published in 2006 IEEE MTT-S International Microwave Symposium Digest (01.01.2006)
Published in 2006 IEEE MTT-S International Microwave Symposium Digest (01.01.2006)
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Conference Proceeding
Preparation and piezoelectric property of lead titanate thin films for GHz-band resonators
YAMADA, A, MAEDA, C, UMEMURA, T, UCHIKAWA, F, MISU, K, WADAKA, S, ISHIKAWA, T
Published in Japanese Journal of Applied Physics (01.09.1997)
Published in Japanese Journal of Applied Physics (01.09.1997)
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Conference Proceeding
Journal Article
25.8Gbps direct modulation of BH AlGaInAs DFB lasers with p-InP substrate for low driving current
Sakaino, Go, Takiguchi, Toru, Sakuma, Hitoshi, Watatani, Chikara, Nagira, Takashi, Suzuki, Daisuke, Aoyagi, Toshitaka, Ishikawa, Takahide
Published in 22nd IEEE International Semiconductor Laser Conference (01.09.2010)
Published in 22nd IEEE International Semiconductor Laser Conference (01.09.2010)
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Conference Proceeding
High-power ultralow-chirp 10-Gb/s electroabsorption modulator integrated laser with ultrashort photocarrier lifetime
Miyazaki, Y., Yamatoya, T., Matsumoto, K., Kuramoto, K., Shibata, K., Aoyagi, T., Ishikawa, T.
Published in IEEE journal of quantum electronics (01.04.2006)
Published in IEEE journal of quantum electronics (01.04.2006)
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Journal Article
A 94GHz high performance quadruple subharmonic mixer MMIC
Kanaya, Ko, Kawakami, Kenji, Hisaka, Takayuki, Ishikawa, Takahide, Sakamoto, Susumu
Published in IEEE MTT-S International Microwave Symposium digest (01.01.2002)
Published in IEEE MTT-S International Microwave Symposium digest (01.01.2002)
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Journal Article
Intermodulation distortion analysis of class-F and inverse class-F HBT amplifiers
Ohta, A., Inoue, A., Goto, S., Ueda, K., Ishikawa, T., Matsuda, Y.
Published in IEEE transactions on microwave theory and techniques (01.06.2005)
Published in IEEE transactions on microwave theory and techniques (01.06.2005)
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Journal Article
Conference Proceeding
Low phase noise 77 GHz VCO with optimized terminated impedance at fundamental and second harmonic frequencies
Watanabe, S., Matsuzuka, T., Amasuga, H., Goto, S., Oku, T., Ishikawa, T.
Published in 2009 IEEE MTT-S International Microwave Symposium Digest (01.06.2009)
Published in 2009 IEEE MTT-S International Microwave Symposium Digest (01.06.2009)
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Conference Proceeding
A V-Band High Power and High Gain Amplifier MMIC using GaAs PHEMT Technology
Shin Chaki, Amasuga, H., Goto, S., Kanaya, K., Yamamoto, Y., Oku, T., Ishikawa, T.
Published in 2008 IEEE Compound Semiconductor Integrated Circuits Symposium (01.10.2008)
Published in 2008 IEEE Compound Semiconductor Integrated Circuits Symposium (01.10.2008)
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Conference Proceeding
The efficiency of class-F and inverse class-F amplifiers
Inoue, A., Ohta, A., Goto, S., Ishikawa, T., Matsuda, Y.
Published in 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535) (2004)
Published in 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535) (2004)
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Conference Proceeding
Efficiency enhancement of Doherty amplifier with combination of class-F and inverse class-F schemes for S-band base station application
Goto, S., Kunii, T., Inoue, A., Izawa, K., Ishikawa, T., Matsuda, Y.
Published in 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535) (2004)
Published in 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535) (2004)
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Conference Proceeding
A High Power and High Breakdown Voltage Millimeter-Wave GaAs pHEMT with Low Nonlinear Drain Resistance
Amasuga, H., Inoue, A., Goto, S., Kunii, T., Yamamoto, Y., Oku, T., Ishikawa, T.
Published in 2007 IEEE/MTT-S International Microwave Symposium (01.06.2007)
Published in 2007 IEEE/MTT-S International Microwave Symposium (01.06.2007)
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Conference Proceeding