Large carrier-effect red shift in λ/4-shifted DFB lasers with in-phase complex gratingOKAI, M.Electronics Letters. 1993, Vol 29, Num 17, pp 1497-1498, issn 0013-5194Article

Tunable DFB lasers with ultra-narrow spectral linewidthOKAI, M; TSUCHIYA, T.Electronics Letters. 1993, Vol 29, Num 4, pp 349-351, issn 0013-5194Article

Effects of diffusion and upwelling on the formation of red tidesYAMAMOTO, T; OKAI, M.Journal of plankton research. 2000, Vol 22, Num 2, pp 363-380, issn 0142-7873Article

A photochemical storage battery with an n-GaP photoelectrodeYONEZAWA, Y; OKAI, M; ISHINO, M et al.Bulletin of the Chemical Society of Japan. 1983, Vol 56, Num 10, pp 2873-2876, issn 0009-2673Article

Nitrogen incorporation rate, optimal growth temperature, and AsH₃-flow rate in GaInNAs growth by gas-source MBE using N-radicals as an N-sourceKITATANI, T; KONDOW, M; NAKAHARA, K et al.Journal of crystal growth. 1999, Vol 201202, pp 351-354, issn 0022-0248Conference Paper

Effect of 1/f noise on the spectral linewidth of corrugation-pitch-modulated multiquantum-well distributed feedback lasers at high output powerOKAI, M; TSUCHIYA, T; UOMI, K et al.IEEE Photonics technology letters. 1991, Vol 3, Num 5, pp 427-429, 3 p.Article

Spectral linewidth reduction by low spatial hole burning in 1•5 μm multi-quantum-well λ/4-shifted DFB lasersUOMI, K; SASAKI, S; TSUCHIYA, T et al.Electronics Letters. 1990, Vol 26, Num 1, pp 52-53, issn 0013-5194, 2 p.Article

Modulation of human Vα24⁺vβi I + NKT cells by age, malignancy and conventional anticancer therapiesCROUGH, T; PURDIE, D. M; OKAI, M et al.British journal of cancer. 2004, Vol 91, Num 11, pp 1880-1886, issn 0007-0920, 7 p.Article

Adenine phosphoribosyltransferase deficiency identified by urinary sediment analysis : cellular and molecular confirmationTERAI, C; HAKODA, M; YAMANAKA, H et al.Clinical genetics. 1995, Vol 48, Num 5, pp 245-250, issn 0009-9163Article

New high-resolution positive and negative photoresist method for λ/4-shifted DFB lasersOKAI, M; TSUJI, S; HIRAO, M et al.Electronics Letters. 1987, Vol 23, Num 8, pp 370-371, issn 0013-5194Article

Room-temperature pulsed operation of GaInNAs laser diodes with excellent high-temperature performanceKONDOW, M; NAKATSUKA, S; KITATANI, T et al.Japanese journal of applied physics. 1996, Vol 35, Num 11, pp 5711-5713, issn 0021-4922, 1Article

Strained multiquantum-well corrugation-pitch-modulated distributed feedback laser with ultranarrow (3.6 kHz) spectral linewidthOKAI, M; SUZUKI, M; TANIWATARI, T et al.Electronics Letters. 1993, Vol 29, Num 19, pp 1696-1697, issn 0013-5194Article

Factors limiting the spectral linewidth of CPM-MQW-DFB lasersOKAI, M; TSUCHIYA, T; TAKAI, A et al.IEEE photonics technology letters. 1992, Vol 4, Num 6, pp 526-528Article

Corrugation-pitch modulated MQW-DFB lasers with narrow spectral linewidthOKAI, M; TSUCHIYA, T; UOMI, K et al.IEEE journal of quantum electronics. 1991, Vol 27, Num 6, pp 1767-1772, issn 0018-9197Article

Novel random access tunable heterodyne receiver using beat counting method for multichannel coherent systemsKITAJIMA, S; SASAKI, S; TSUSHIMA, H et al.Electronics Letters. 1990, Vol 26, Num 2, pp 127-129, issn 0013-5194, 3 p.Article

Novel method to fabricate corrugation for a λ/4-shifted distributed feedback laser using a grating photomaskOKAI, M; TSUJI, S; CHINONE, N et al.Applied physics letters. 1989, Vol 55, Num 5, pp 415-417, issn 0003-6951Article