Waveguide heterojunction phototransistors for the analog fiber optic link and signal processing applications

Dong-Soo Shin; Hao Jiang; Chen Kuo Sun; Wei-Xi Chen; J. T. Zhu; Stephen A. Pappert; Paul K. L. Yu

doi:10.1117/12.348301

30 April 1999 Waveguide heterojunction phototransistors for the analog fiber optic link and signal processing applications

Dong-Soo Shin, Hao Jiang, Chen Kuo Sun, Wei-Xi Chen, J. T. Zhu, Stephen A. Pappert, Paul K. L. Yu

Author Affiliations +

Proceedings Volume 3631, Optoelectronic Integrated Circuits and Packaging III; (1999) https://doi.org/10.1117/12.348301
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

Waveguide npin heterojunction phototransistors (HPTs) are investigated for analog fiber-optic link applications. The device is fabricated on a semi-insulating InP substrate with an integrated CPW transmission line. At low optical power, an incremental DC responsivity of approximately 16 A/W is observed at 1.3 micrometers wavelength. It is demonstrated that the HPT responsivity at RF frequencies can be increased through a second optical beam. Signal mixing experiment using two RF-modulated optical beams shows that the waveguide npin HPT can be used as an effective integrated photodetector/mixer for RF signal up- and down-conversion.

Citation Download Citation

Dong-Soo Shin, Hao Jiang, Chen Kuo Sun, Wei-Xi Chen, J. T. Zhu, Stephen A. Pappert, and Paul K. L. Yu "Waveguide heterojunction phototransistors for the analog fiber optic link and signal processing applications", Proc. SPIE 3631, Optoelectronic Integrated Circuits and Packaging III, (30 April 1999); https://doi.org/10.1117/12.348301

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