Optical characteristics of PnpN optical thyristor operating at 1.55 um

Doo-Gun Kim; Hee-Hyun Lee; Woon-Kyung Choi; Jung-Jun Lee; Young-Wan Choi; Sang Bae Lee; Deokha Woo; Young Tae Byun; Jung-Hee Kim; Sun-Ho Kim; N. Futakuchi; Yoshiaki Nakano

doi:10.1117/1.1557160

1 April 2003 Optical characteristics of PnpN optical thyristor operating at 1.55 um

Doo-Gun Kim, Hee-Hyun Lee, Woon-Kyung Choi, Jung-Jun Lee, Young-Wan Choi, Sang Bae Lee, Deokha Woo, Young Tae Byun, Jung-Hee Kim, Sun-Ho Kim, N. Futakuchi, Yoshiaki Nakano

Author Affiliations +

Optical Engineering, Vol. 42, Issue 4, (April 2003). https://doi.org/10.1117/1.1557160

InGaAs/InP multiple quantum well (MQW) PnpN depleted optical thyristors (DOTs) operating at 1.55 μm are proposed and fabricated. To analyze their switching characteristics, we simulate nonlinear s-shape current-voltage curves using the finite difference method (FDM) associated with the current-oriented method. Using the FDM, we calculate the effects of such parameters as doping concentration and the thicknesses of the outer and inner layers of the thyristor to determine an optimized structure in the view of fast and low-power-consuming operation. With these results, we fabricate waveguide- and vertical-type InGaAs/InP MQW PnpN DOTs. The waveguide-type DOT shows sufficient nonlinear s-shape I-V characteristics with a switching voltage of 4.03 V and a holding voltage of 1.77 V, and spontaneous emission along the waveguide. The current-voltage characteristics of the vertical-type DOT are shown very well under 150 μW of input power, while the s-shape disappears at 200 μW.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Doo-Gun Kim, Hee-Hyun Lee, Woon-Kyung Choi, Jung-Jun Lee, Young-Wan Choi, Sang Bae Lee, Deokha Woo, Young Tae Byun, Jung-Hee Kim, Sun-Ho Kim, N. Futakuchi, and Yoshiaki Nakano "Optical characteristics of PnpN optical thyristor operating at 1.55 um," Optical Engineering 42(4), (1 April 2003). https://doi.org/10.1117/1.1557160

Published: 1 April 2003

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