Tailored DFB laser properties by individually chirped gratings using bent waveguides

@article{hillmer1995b, abstract = {DFB lasers with continuously and arbitrarily chirped gratings of ultrahigh spatial precision are implemented by a method we proposed recently, using bent waveguides on homogeneous grating fields. Choosing individual bending functions we generate special chirping functions and obtain additional degrees of freedom to tailor and improve specific device performances. We present two applications for lasers showing several improved device properties and the effectiveness of our method. First, we implement continuously distributed phase-shifted lasers, revealing a considerably reduced photon pile-up, higher single-longitudinal mode stability, higher output power, lower linewidth, and higher yield than conventional abruptly phase-shifted lasers. Second, a novel tuning principle is applied in chirped multiple-section DFB lasers, showing 5.5-nm wavelength tuning, without any gaps, maintaining high side-mode suppression}, author = {Hillmer, H. and Grabmaier, A. and Hansmann, S. and Zhu, H. L. and Burkhard, H. and Magari, K. }, booktitle = {Selected Topics in Quantum Electronics, IEEE Journal of}, citeulike-article-id = {2501236}, doi = {http://dx.doi.org/10.1109/2944.401215}, journal = {Selected Topics in Quantum Electronics, IEEE Journal of}, keywords = {chirped-dfb-laser, dfb-laser, diode-laser}, number = {2}, pages = {356--362}, posted-at = {2008-03-10 14:46:21}, priority = {2}, title = {Tailored DFB laser properties by individually chirped gratings using bent waveguides}, url = {http://dx.doi.org/10.1109/2944.401215}, volume = {1}, year = {1995} }

TY - JOUR ID - hillmer1995b L3 - citeulike-article-id:2501236 N2 - DFB lasers with continuously and arbitrarily chirped gratings of ultrahigh spatial precision are implemented by a method we proposed recently, using bent waveguides on homogeneous grating fields. Choosing individual bending functions we generate special chirping functions and obtain additional degrees of freedom to tailor and improve specific device performances. We present two applications for lasers showing several improved device properties and the effectiveness of our method. First, we implement continuously distributed phase-shifted lasers, revealing a considerably reduced photon pile-up, higher single-longitudinal mode stability, higher output power, lower linewidth, and higher yield than conventional abruptly phase-shifted lasers. Second, a novel tuning principle is applied in chirped multiple-section DFB lasers, showing 5.5-nm wavelength tuning, without any gaps, maintaining high side-mode suppression IS - 2 JF - Selected Topics in Quantum Electronics, IEEE Journal of EP - 362 TI - Tailored DFB laser properties by individually chirped gratings using bent waveguides VL - 1 T2 - Selected Topics in Quantum Electronics, IEEE Journal of SP - 356 KW - chirped-dfb-laser KW - dfb-laser KW - diode-laser AU - Hillmer, H AU - Grabmaier, A AU - Hansmann, S AU - Zhu, HL AU - Burkhard, H AU - Magari, K PY - 1995/// UR - http://dx.doi.org/10.1109/2944.401215 ER -