H. Ishii, H. Tanobe, Y. Kondo, and Y. Yoshikuni, "Single-Current Continuous Wavelength Tuning by a Tunable Interdigital Electrode (TIE) DBR Laser,"
in Conference on Lasers and Electro-Optics, T. Deutsch, J. Goldsmith, D. Killinger, and G. Valley, eds.,
Vol. 15 of OSA Technical Digest
(Optical Society of America, 1995), paper CPD13.