Analysis and design of mushroom-type traveling-wave electroabsorption modulator using the finite difference time domain method

Seong-Hae Ok; Seung-Jin Lee; Jeong-Hoon Lee; Soon-Chel Kong; Doo-Gun Kim; Young-Wan Choi; Jae-Hun Kim; Seok Lee; Deok-ha Woo; Sun-Ho Kim

doi:10.1117/12.428028

30 May 2001 Analysis and design of mushroom-type traveling-wave electroabsorption modulator using the finite difference time domain method

Seong-Hae Ok, Seung-Jin Lee, Jeong-Hoon Lee, Soon-Chel Kong, Doo-Gun Kim, Young-Wan Choi, Jae-Hun Kim, Seok Lee, Deok-ha Woo, Sun-Ho Kim

Author Affiliations +

Proceedings Volume 4292, Optoelectronic Interconnects VIII; (2001) https://doi.org/10.1117/12.428028
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

We present mushroom-type TWEAM, which has improved velocity mismatch, with optimized impedance match compared to conventional modulators by reducing the distance between signal and ground metal line. In this paper, the layer structure of mushroom-type TW MQW EAM is designed for the operation of 1.55 um and optical index of active layer is designed to be 3.6. Also, we simulate an 1.55 um InGaAs/InGaAsP traveling-wave multiple quantum well electro- absorption modulator using 3D Finite Difference Time Domain method. Also, we investigate microwave characteristics in detail.

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Seong-Hae Ok, Seung-Jin Lee, Jeong-Hoon Lee, Soon-Chel Kong, Doo-Gun Kim, Young-Wan Choi, Jae-Hun Kim, Seok Lee, Deok-ha Woo, and Sun-Ho Kim "Analysis and design of mushroom-type traveling-wave electroabsorption modulator using the finite difference time domain method", Proc. SPIE 4292, Optoelectronic Interconnects VIII, (30 May 2001); https://doi.org/10.1117/12.428028

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