@article{CTT100564245,
  author = {Saeed Mahmud ULLAH and SeungHun Lee and Ryo Suemitsu and Nobuhiko Nishiyama and SHIGEHISA ARAI},
  title = {GaInAsP/InP Distributed Reflector Lasers and Integration of Front Power Monitor by Using Lateral Quantum Confinement Effect},
  journal = {Jpn. J. Appl. Phys.},
  year = 2008,
}

@article{CTT100548977,
  author = {D. Plumwongrot and Y. Nishimoto and S. M. Ullah and Y. Tamura and M. Kurokawa and T. Maruyama and N. Nishiyama and S. Arai},
  title = {Bragg Wavelength Detuning in GaInAsP/InP Distributed Feedback Lasers with Wirelike Active Regions},
  journal = {Jpn. J. Appl. Phys.},
  year = 2007,
}

@article{CTT100545397,
  author = {S. M. Ullah and R. Suemitsu and S.H. Lee and Makoto Otake and N. Nishiyama and S. Arai},
  title = {Low-Threshold-Current Operation of High-Mesa Stripe Distributed Reflector Laser Emitting at 1540nm},
  journal = {Jpn. J. Appl. Phys.},
  year = 2007,
}

@article{CTT100545396,
  author = {S.H. Lee and R. Suemitsu and S. M. Ullah and Makoto Otake and N. Nishiyama and S. Arai},
  title = {Very High Electric Isolation Resistance between Distributed Reflector Laser and Front Power Monitor through Deeply Etched Narrow Groove},
  journal = {Jpn. J. Appl. Phys.},
  year = 2007,
}

@inproceedings{CTT100549018,
  author = {S.H. Lee and S. M. Ullah and T. Shindo and K. Davis and N. Nishiyama and S. Arai},
  title = {Bit-Error-Rate Measurement of GaInAsP/InP Distributed Reflector Laser with Wirelike Active Regions},
  booktitle = {Digest of IPRM2008},
  year = 2008,
}

@inproceedings{CTT100549007,
  author = {李承勲 and Saeed Mahmud Ullah and 進藤隆彦 and Kyle Spencer Davis and 西山伸彦 and 荒井滋久},
  title = {細線状活性層を有する分布反射型レーザの直接変調特性},
  booktitle = {電子情報通信学会 2008年総合大会},
  year = 2008,
}

@inproceedings{CTT100598448,
  author = {SHIGEHISA ARAI and SAEED MAHMUD ULLAH and SeungHun Lee and PDHANORM and Munetaka Kurokawa and Shinichi Sakamoto and Hideyuki Naitoh and Tadashi Okumura and Takeo Maruyama and Nobuhiko Nishiyama},
  title = {GaInAsP/InP Distributed Feedback and Distributed Reflector Lasers with Fine Wirelike Active Regions},
  booktitle = {OPTO2008 (part of SPIE Photonics West 2008)},
  year = 2008,
}

@inproceedings{CTT100545406,
  author = {R. Suemitsu and S. M. Ullah and S. H. Lee and M. Otake and N. Nishiyama and S. Arai},
  title = {Integration of Front Power Monitor with Distributed Reflector Laser through Deep Etched Narrow Groove Isolation},
  booktitle = {The 19th International Conference on Indium Phosphide and Related Materials (IPRM2007)},
  year = 2007,
}

@inproceedings{CTT100545407,
  author = {S. M. Ullah and R. Suemitsu and S. H. Lee and M. Otake and N. Nishiyama and S. Arai},
  title = {Sub milliampere operation of 1540 nm wavelength Distributed Reflector Laser with Wirelike Active Regions},
  booktitle = {The 19th International Conference on Indium Phosphide and Related Materials (IPRM2007)},
  year = 2007,
}

@inproceedings{CTT100545403,
  author = {S. M. ウラー and 末光 涼 and 李 承勲 and 西本頼史 and 大武誠人 and 西山伸彦 and 荒井滋久},
  title = {細線状活性層の線幅変調による電界吸収変調器集積DRレーザ},
  booktitle = {第54回応用物理学関係連合講演会},
  year = 2007,
}

@inproceedings{CTT100545402,
  author = {末光 涼 and S. M. ウラー and 李 承勲 and 西本頼史 and 大武誠人 and 西山伸彦 and 荒井滋久},
  title = {深い極微溝による電気的分離を利用したDRレーザ前端面へのパワーモニターの集積},
  booktitle = {第54回応用物理学関係連合講演会},
  year = 2007,
}

@inproceedings{CTT100545399,
  author = {Saeed Mahmud ULLAH and Ryo SUEMITSU and SeungHun Lee and Masato OTAKE and Nobuhiko nishiyama and SHIGEHISA ARAI},
  title = {Low threshold current DR laser with wirelike active regions and integration of EAM with high electrical isolation},
  booktitle = {},
  year = 2006,
}

@inproceedings{CTT100545404,
  author = {SAEED MAHMUD ULLAH and Ryo Suemitsu and SeungHun Lee and SHIGEHISA ARAI},
  title = {A Low Threshold Current Operation of Distributed Reflector (DR) Laser},
  booktitle = {},
  year = 2006,
}

@inproceedings{CTT100545400,
  author = {SeungHun Lee and Saeed Mahmud ULLAH and Ryo Suemitsu and Shigehisa ARAI},
  title = {Threshold Current Reduction of Distributed Reflector (DR) Laser after Antireflection Coating},
  booktitle = {},
  year = 2006,
}

@inproceedings{CTT100545405,
  author = {S. M. Ullah and S. H. Lee and R. Suemitsu and K. Ohira and S. Arai},
  title = {Improved performance of Distributed-Reflector Laser  with Antireflection Coating},
  booktitle = {},
  year = 2006,
}