Monolithic-integrated two-wavelength laser diodes for digital-versatile-disk/compact-disk playback

Nemoto, Kazuhiko; Kamei, Takafumi; Abe, Hiroaki; Imanishi, Daisuke; Narui, Hironobu; Hirata, Shoji
April 2001
Applied Physics Letters;4/16/2001, Vol. 78 Issue 16, p2270
Academic Journal
We have developed a monolithic two-wavelength laser diode, which emits 650 and 780 nm wavelengths. This device, which has a separated-confinement-heterostructure multi-quantum-well active region and a gain-guiding tapered-stripe structure, is fabricated using only two steps of metal organic chemical vapor deposition. The operating currents at 5 mW are 57.0 and 61.5 mA for the 650 and 780 nm elements, respectively. The relative intensity noise of the 650 and 780 nm elements was below -130 dB/Hz up to 70 °C without high-frequency superposition circuits. © 2001 American Institute of Physics.


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