(2) K. Ohira, N. Nunoya, S. Tamura and S. Arai, “Distributed Reflector Laser with Wirelike Active Regions for Asymmetric Output Property,” Jpn. J. Appl. Phys., vol. 41, part 1, no. 3A, pp. 1417-1418, Mar. 2002.

(3) V. M. Kaganer, B. Jenichen, G. Paris, K. H. Ploog, O. Konovalov, P. Mikulik, and S. Arai, “Strain in Buried Quantum Wires: Analytical Calculations and X-Ray Diffraction Study,” Phys. Rev. B, vol. 66, no. 3, pp. 035310 (7pages), July 2002.

(4) H. Yagi, K. Muranushi, N. Nunoya, T. Sano, S. Tamura and S. Arai, “Low-Damage Etched/Regrown Interface of Strain-Compensated GaInAsP/InP Quantum-Wire Laser Fabricated by CH¬4/H2 Dry Etching and Regrowth,” Appl. Phys. Lett., , vol. 81, no. 6, pp. 966-968, Aug. 2002.

(5) K. Ohira, N. Nunoya, H. Yagi, K. Muranushi, A. Onomura, S. Tamura and S. Arai, “Reliable Operation of GaInAsP/InP Distributed Feedback Laser with Wirelike Active Regions,” Jpn. J. Appl. Phys., vol. 42, part 1, no. 2A, pp. 475-476, Feb. 2003.

(6) T. Sano, H. Yagi, K. Muranushi, S. Tamura, T. Maruyama, A. Haque and S. Arai, “Multiple-Quantum-Wire Structures with Good Size Uniformity Fabricated by CH4/H2 Dry Etching and Organometallic Vapor-Phase-Epitaxial Regrowth,” to be published in Jpn. J. Appl. Phys., 2003.

(2) H. Yagi, K. Muranushi, N. Nunoya, T. Sano, N. Nunoya, S. Tamura and S. Arai, “Large Blue Shift in GaInAsP/InP Vertically-Stacked Multiple-Quantum-Wire-Lasers by Dry Etching and Regrowth Processes,” The 14th Indium Phosphide and Related Materials Conference (IPRM2002), A9-4, pp. 723-726, Stockholm (Sweden), May 2002.

(3). H. Yagi, K. Muranushi, T. Sano, N. Nunoya, S. Tamura and S. Arai, “GaInAsP/InP Multiple-Quantum-Wire Lasers by CH4/H2 Reactive Ion Etching,” The 7th Optoelectronics and Communications Conference (OECC2002), Yokohama (Japan), 10C3-4, pp. 158-159, July 2002.

(4) N. Nunoya, K. Ohira, H. Yagi, K. Muranushi, A. Onomura, T. Sano and S. Arai, “Reliable Operation of Sub-mA Threshold DFB Lasers with Wirelike Active Regions,” The 7th Optoelectronics and Communications Conference (OECC2002), Yokohama (Japan), 10P-60, pp. 306-307, July 2002.

(5). H. Yagi, T. Sano, K. Ohira, T. Maruyama, A. Haque and S. Arai, “ RT-CW Operation of GaInAsP/InP Quantum-Wire Lasers Fabricated by Dry Etching and Regrowth Method,” Sixth International Symposium on Contemporary Photonics Technology (CPT 2003), PDP-1, pp. 1 (PD), Tokyo (Japan), Jan. 2003.

(6) K. Ohira, T. Murayama, H. Yagi, S. Tamura and S. Arai, “New Type Distributed Reflector Laser with Passive DBR Section By Using Lateral Confinement Effect,” Sixth International Symposium on Contemporary Photonics Technology (CPT2003), PDP-3, pp. 3(PD), Tokyo (Japan), Jan. 2003.

(2) H. Yagi, K. Muranushi, T. Sano, N. Nunoya, S. Tamura and S. Arai, “GaInAsP/InP Strain-Compensated Multiple-Quantum-Wire Lasers Fabricated by Dry Etching and Regrowth,” 「ドライエッチングと埋め込み再成長法によるGaInAsP/InP歪補償多層量子細線レーザ」 Technical Report of IEICE, OPE2002-42/LQE2002-97 (2002-06), p.27-30, Tokyo (Japan), July 2002.

(2) N. Nunoya, K. Ohira, A. Onomura and S. Arai, “Sub-mode suppression ratio (SMSR) of DFB lasers with wirelike active regions,” ｢活性層分離型DFBレーザの副モード抑圧比(SMSR)｣ The 49th Spring Meeting, 2002; The Japan Society of Applied Physics and Related Societies, 29a-YS-8, pp. 1144, Kanagawa, Mar. 2002.

(3) K. Muranushi, H. Yagi, T. Sano, N. Nunoya, S. Tamura and S. Arai, “Realization of Narrow Wire Width Multiple-Layered Quantum-Wire Laser,” 「狭細線幅多層量子細線レーザの実現」 The 49th Spring Meeting, 2002; The Japan Society of Applied Physics and Related Societies, 29a-YS-13, pp. 1145, Kanagawa, Mar. 2002.

(4) H. Yagi, K. Muranushi, N. Nunoya, T. Sano, S. Tamura and S. Arai, “Wire Width Dependence of Blue Shift in Strain-Compensated GaInAsP/InP Quantum-Wire Lasers,” ｢GaInAsP/InP歪補償量子細線レーザのブルーシフト量の細線幅依存性｣ The 49th Spring Meeting, 2002; The Japan Society of Applied Physics and Related Societies, 29p-YH-8, pp. 1394, Kanagawa, Mar. 2002.

(5) H. Yagi, T. Sano, K. Muranushi, S. Tamura, T. Maruyama, A. Haque and S. Arai, “Wire Width Dependence of Threshold Current Density in Strain-Compensated GaInAsP/InP Multiple-Quantum-Wire Lasers,” 「GaInAsP/InP歪補償多層量子細線レーザのしきい値電流密度の細線幅依存性」 The 63rd Autumn Meeting, 2002; The Japan Society of Applied Physics, 26p-A-10, pp. 995 Niigata, Sep. 2002.

(6) K. Ohira, N. Nunoya, A. Onomura, H. Yagi, T. Sano, S. Tamura and S. Arai, “Distributed Reflector (DR) Laser with Wire Structure,” 「細線構造を有する分布反射型(DR)レーザ」 The 63rd Autumn Meeting, 2002; The Japan Society Applied. Physics, 26p-A-14, pp. 997, Niigata, Sep. 2002.

(7) T. Sano, H. Yagi, K. Muranushi, S. Tamura, T. Maruyama, A. Haque and S. Arai, “Multiple-Quantum-Wire Structure with Good Size Uniformity Fabricated by CH4/H2 Dry Etching,” 「CH4/H2ドライエッチングによるサイズ均一性に優れた多層量子細線構造」 The 63rd Autumn Meeting, 2002; The Japan Society of Applied Physics, 25a-ZB-3, pp. 1224, Niigata, Sep. 2002.

(8) H. Yagi, T. Sano, K. Ohira, T. Maruyama, A. Haque, S. Tamura and S. Arai,” Room-Temperature Continuous Wave Operation of GaInAsP/InP Strain-Compensated Multiple-Quantum-Wire Lasers,” 「GaInAsP/InP歪補償多層量子細線レーザの室温連続発振」The 50th Spring Meeting, 2003; The Japanese Society of Applied Physics and Related Societies, 28a-YF-4, pp. 1233, Kanagawa, Mar. 2003.

(9) K. Ohira, T. Murayama, H. Yagi, S. Tamura and S. Arai, “Distributed Reflector (DR) Laser with Passive Section Using Lateral Quantum Confinement Effect,” 「横方向量子閉じ込め効果を用いた受動領域を有する分布反射型(DR)レーザ」The 50th Spring Meeting, 2003; The Japanese Society of Applied Physics and Related Societies, 28p-ZQ-14, pp. 1240, Kanagawa, Mar. 2003.

(10) A. Haque, H. Yagi, T. Sano, T. Maruyama and S. Arai,” Band Structure Analysis of Strained Quantum-Wires with Strain-Compensating Barriers Using 8 Band k.p Theory,”　「8 ??8行列k?p法による歪補償量子細線のバンド構造解析」The 50th Spring Meeting, 2003; The Japanese Society of Applied Physics and Related Societies, 28p-ZE-14, pp. 1466, Kanagawa, Mar. 2003.

(11) T. Maruyama, A. Haque, T. Sano, H. Yagi and S. Arai,” Analysis of Polarization Dependence in Strained Quantum-Wire Structures,”「歪量子細線構造における偏光依存性の解析」The 50th Spring Meeting, 2003; The Japanese Society of Applied Physics and Related Societies, 28p-ZE-15, pp. 1466, Kanagawa, Mar. 2003.

(2) J. Shim, J. Kim, D. Jang, Y. Eo and S. Arai, “Facet reflectivity of a spot-size-converter integrated semiconductor optical amplifier,” IEEE J. Quantum Electron., vol. 38, no. 6, pp. 665-673 June 2002.

(3) S.-H. Jeong, H.-C. Kim. T. Mizumoto, J. Wiedmann, S. Arai, M. Takenaka and Y. Nakano, “Polarization-Independent All-Optical Switching in a Nonlinear GaInAsP-InP Highmesa Waveguide with a Vertically Etched Bragg Reflector,” IEEE J. Quantum Electron., vol. 38, no. 7, pp. 706-715, July 2002.

(4) T. Okamoto, N. Nunoya, Y. Onodera, S. Tamura and S. Arai, “Low-Threshold Singlemode Operation of Membrane BH-DFB Lasers,” Electron. Lett., vol. 38, no. 23, pp. 1444-1446, Nov. 2002.

(5) H.-C. Kim, H. Kanjo, S. Tamura and S. Arai, “Distributed Reflector Lasers with First-Order Vertical Grating and Second-Order Bragg Reflectors,” Jpn. J. Appl. Phys., vol. 41, no.12, part 1, no. 12, pp. 7396-7397, Dec. 2002.

(2) T. Okamoto, N. Nunoya, Y. Onodera, S. Tamura and S. Arai, “1550nm Wavelength Membrane DFB Laser Cladded by BCB Polymer,” Fifth 5th International Symposium on Contemporary Photonics Technology (CPT2002), Tokyo (Japan), E-21, pp. 101-102, Jan. 2002.

(3) S.-H. Jeong, T. Mizumoto, H.-C. Kim, J. Wiedmann, S. Arai, M. Takenaka and Y. Nakano, “Polarization Independent All-Optical Switching Employing Nonlinear Vertical-Groove DFB Waveguide,” Conference on Optical Fiber Communications (OFC2002), Anaheim (USA), TuU3, pp. 140-142 , Mar. 2002.

(4) T. Okamoto, N. Nunoya, Y. Onodera, S. Tamura and S. Arai, “Low Threshold Operation of Membrane Buried Heterostructure Distributed Feedback Laser,” The 14th Indium Phosphide and Related Materials Conf. (IPRM2002), Stockholm (Sweden), PI-4, pp. 115-118, May 2002.

(5) S. Arai, “InP-Based Fine-Structuring Techniques for Photonic Devices,”(Invited) The 14th Indium Phosphide and Related Materials Conference (IPRM2002), A6-6, pp. 433-436, Stockholm (Sweden), May 2002.

(6) S.-H. Jeong, T. Mizumoto, H.-C. Kim, J. Wiedmann, S. Arai, M. Takenaka and Y. Nakano, “All-Optical Polarization Independent Switching in a Nonlinear DFB Waveguide with Vertically Etched Grating,” The 22nd Annual Conference on Lasers and Electro-Optics and the 10th Quantum Electronics and Laser Science Conference (CLEO/QELS 2002), CMB2, pp. 7-8, Long Beach (USA), May 2002.

(7) S.-H. Jeong, H.-C. Kim. T. Mizumoto, J. Wiedmann, S. Arai, M. Takenaka and Y. Nakano, “Polarization Independent Switching Characteristics in a Passive Highmesa Waveguide with Vertically Etched Bragg Reflector,” Conference on Optical Internet and Photonics in Switching (COIN+PS 2002), Cheju Island (Korea), PS.MoB5, pp. 46-48, July 2002.

(8) H.-C Kim, H. Kanjo, S. Tamura and S. Arai, “Distributed Reflector Lasers with Deeply Etched First Order Vertical Grating,” The 7th Optoelectronics and Communications Conference (OECC2002), Yokohama (Japan), 10C3-3, pp. 156-157, July 2002.

(9) S. Arai, H.-C. Kim and J. Wiedmann, “Functional Optical Devices Using Vertical Grooved DFB and DBR Structures,” (Invited), SPIE’s ITCom2002, Proc. SPIE vol. 4870, pp. 144-152, Boston (USA), July 2002.

(10) H.-C. Kim, H. Kanjo, S. Tamura and S. Arai, “Narrow Stripe Distributed Reflector Lasers with First-Order Vertical Grating,” 2002 IEEE 18th International Semiconductor Laser Conference, Garmisch-Partenkirchen (Germany), MC1, pp. 19-20, Sep 2002.

(2) H.-C. Kim, H. Kanjo, S. Tamura, S. Arai, “1.5 ?m Wavelength Distributed Reflector Lasers with Deeply Etched Vertical Gratings,” 「垂直回折格子を有する1.5?m波長分布反射型レーザ」Technical Report of IEICE, LQE2002-16 (2002-05), pp.61-64, Fukui (Japan), May 2002.

(2) T. Okamoto, N. Nunoya, Y. Onodera, S. Tamura and S. Arai, “Single-Mode Operation of Optically Pumped Membrane BH-DFB Lasers,” 「BH構造を導入した光励起半導体薄膜DFBレーザの単一モード動作」 The 49th Spring Meeting, 2002; The Japan Society of Applied Physics and Related Societies, 29a-YS-9, pp. 1144, Kanagawa, Mar. 2002.

(3) Y. Onodera, T. Okamoto, N. Nunoya, S. Tamura and S. Arai, “Low Threshold Operation of Membrane BH-DFB Lasers,” 「半導体薄膜DFBレーザの低しきい値動作」The 49th Spring Meeting, 2002; The Japan Society of Applied Physics and Related Societies, 29a-YS-10, pp. 1144, Kanagawa, Mar. 2002.

(4) H.-C. Kim, H. Kanjo, S. Tamura and S. Arai, “Distributed Reflector (DR) Laser with First Order Vertical Grating (VG),” 「一次垂直回折格子分布反射型(DR)レーザ」The 49th Spring Meeting, 2002; The Japan Society of Applied Physics and Related Societies, 29a-YS-11, pp. 1145, Kanagawa, Mar. 2002.

(5) T. Okamoto, Y. Onodera, T. Yamazaki, S. Tamura and S. Arai, “Proposal of Multiple Wavelength Membrane DFB Laser Array,” 「位相シフト変調型半導体薄膜DFB多波長アレイ光源の提案」 The 63rd Autumn Meeting, 2002; The Japan Society of Applied Physics, 26p-A-12, pp. 996, Niigata, Sep. 2002.

(6) H.-C. Kim, H. Kanjo, S. Tamura and S. Arai, “Low Threshold Current Operation of Vertical-Grating Distributed-Reflector (VG-DR) Laser,” 「垂直回折格子を有する分布反射型(VG-DR)レーザの低しきい値電流動作」The 63rd Autumn Meeting, 2002; The Japan Society of Applied Physics, 26p-A-15, pp. 997, Niigata, Sep. 2002.

(7) H. Kanjo, H.-C. Kim, S. Tamura, S. Arai, “Facet Phase Control of Vertical-Grating Distributed-Reflector (VG-DR) Laser,” 「垂直回折格子を有する分布反射型(VG-DR)レーザの端面位相制御」 The 50th Spring Meeting, 2003; The Japan Society of Applied Physics and Related Societies, 28p-ZQ-13, pp. 1240, Kanagawa, Mar. 2003.

(8) T. Okamoto, Y. Onodera, T. Yamazaki, S. Tamura and S. Arai, “Wavelength Controllability of Membrane BH-DFB Lasers,” 「半導体薄膜BH-DFBレーザの波長制御性」 The 50th Spring Meeting, 2003; The Japan Society of Applied Physics and Related Societies, 28p-ZQ-16, pp. 1241, Kanagawa, Mar. 2003.

(9) T. Okamoto, Y. Onodera, T. Yamazaki, S. Tamura and S. Arai, “Fabrication of Multiple Wavelength Membrane BH-DFB Laser Array,” 「半導体薄膜BH-DFB多波長レーザアレイの試作」 The 50th Spring Meeting, 2003; The Japan Society of Applied Physics and Related Societies, 28p-ZQ-17, pp. 1241, Kanagawa, Mar. 2003.