ESTIMATION OF SURFACE-ACOUSTIC-WAVE ATTENUATION DUE TO PLATELET DEFECTSKIMURA T; KOTAKA I; YOSHIKAWA S et al.1979; J. APPL. PHYS.; ISSN 0021-8979; USA; DA. 1979; VOL. 50; NO 7; PP. 4767-4772; BIBL. 11 REF.Article

A NEW TAPPING DESIGN FOR LOW-DISTORTION SAW TAPPED DELAY LINESTEMMYO J; INAMURA T; KOTAKA I et al.1979; TRANS. INST. ELECTRON. COMMUN. ENG. JPN., E; JPN; DA. 1979; VOL. 62; NO 11; PP. 775-778; BIBL. 9 REF.Article

FINE ADJUSTMENT OF WIDE-BANDWIDTH SAW FILTER RESPONSESKOTAKA I; TEMMYO J; INAMURA T et al.1980; TRANS. INST. ELECTRON. COMMUN. ENG. JPN. E; JPN; DA. 1980; VOL. 63; NO 2; PP. 112-113; BIBL. 6 REF.Article

High-speed InGaAlAs/InAlAs multiple quantum well electrooptic phase modulators with bandwidth in excess of 20 GhzWAKITA, K; KOTAKA, I; ASAI, H et al.IEEE photonics technology letters. 1992, Vol 4, Num 1, pp 29-31Article

Large quantum-confined Stark-effect in quaternary InGaAlAs quantum wellsWAKITA, K; KOTAKA, I; NAKAO, M et al.Japanese journal of applied physics. 1989, Vol 28, Num 9, pp 1732-1733, issn 0021-4922, 1Article

Improvement of the bottoming cycle and heat recovery steam generator for combined plantsKOTAKA, I; SHIGENAKA, T;; HOIZUMI, S et al.Hitachi review. 1993, Vol 42, Num 1, pp 11-16, issn 0018-277XArticle

Optical pulse generation with high repetition rate by sinusoidally-driven InGaAs/InAlAs multiquantum well modulatorWAKITA, K; KOTAKA, I; MITOMI, O et al.Electronics Letters. 1993, Vol 29, Num 8, pp 718-719, issn 0013-5194Article

Multisection electroabsorption modulators integrated with distributed feedback lasers for pulse generation coded at 10 Gbit/sSATO, K; WAKITA, K; KOTAKA, I et al.Electronics Letters. 1994, Vol 30, Num 14, pp 1144-1145, issn 0013-5194Article

Strained-InGaAsP MQW electroabsorption modulator integrated DFB laserSATO, K; KOTAKA, I; WAKITA, K et al.Electronics Letters. 1993, Vol 29, Num 12, pp 1087-1089, issn 0013-5194Article

Ultrahigh-speed driverless MQW intensity modulator, and 20Gbit/s, 100 km transmission experimentsKATAOKA, T; MIYAMOTO, Y; HAGIMOTO, K et al.Electronics Letters. 1992, Vol 28, Num 10, pp 897-898, issn 0013-5194Article

Observation of low-chirp modulation in InGaAs-InAlAs multiple-quantum-well optical modulators under 30 GHzWAKITA, K; KOTAKA, I; MITOMI, O et al.IEEE Photonics technology letters. 1991, Vol 3, Num 2, pp 138-140Article

20Gbit/s, 1.55μm strained-InGaAsP MQW modulator integrated DFB laser moduleWAKITA, K; SATO, K; KOTAKA, I et al.Electronics Letters. 1994, Vol 30, Num 4, pp 302-303, issn 0013-5194Article

High-efficiency electroabsorption in quaternary AlGaInAs quantum-well optical modulatorsWAKITA, K; KOTAKA, I; ASAI, H et al.Electronics Letters. 1988, Vol 24, Num 21, pp 1324-1325, issn 0013-5194Article

Compact and stable electroabsorption optical modulator modulesYOSHINO, K; TAKESHITA, T; KOTAKA, I et al.Journal of lightwave technology. 1999, Vol 17, Num 9, pp 1700-1707, issn 0733-8724Article

Chirping characteristic and frequency response of MQW optical intensity modulatorMITOMI, O; NOJIMA, S; KOTAKA, I et al.Journal of lightwave technology. 1992, Vol 10, Num 1, pp 71-77, issn 0733-8724Article

40-GHz bandwith InGAAs/InGaAs multiple quantum well optical intensity modulatorMITOMI, O; KOTAKA, I; WAKITA, K et al.Applied optics. 1992, Vol 31, Num 12, pp 2030-2035, issn 0003-6935Article

20Gbit/s transmission experiments using an integrated MQW modulator/DFB laser moduleKATAOKA, T; MIYAMOTO, Y; HAGIMOTO, K et al.Electronics Letters. 1994, Vol 30, Num 11, pp 872-873, issn 0013-5194Article

High-speed and low-drive-voltage monolithic multiple quantum-well modulator/DFB laser light sourceWAKITA, K; KOTAKA, I; ASAI, H et al.IEEE photonics technology letters. 1992, Vol 4, Num 1, pp 16-18Article

Laser diodes monolithically integrated with spot-size converters fabricated on 2inch InP substratesWADA, M; KOHTOKU, M; ITAYA, Y et al.Electronics Letters. 1995, Vol 31, Num 15, pp 1252-1254, issn 0013-5194Article

Fabrication and coupling-to-fibre characteristics of laser diodes integrated with a spot-size converter having a lateral taperWADA, M; OKAMOTO, H; NOGUCHI, Y et al.IEE proceedings. Optoelectronics. 1997, Vol 144, Num 2, pp 104-108, issn 1350-2433Article