Velocity-matched III-V travelling wave electro-optic modulator

Shih-Yuan Wang; Michael R. T. Tan; Denny Houng

doi:10.1117/12.24899

1 February 1991 Velocity-matched III-V travelling wave electro-optic modulator

Shih-Yuan Wang, Michael R. T. Tan, Denny Houng

Proceedings Volume 1371, High-Frequency Analog Fiber Optic Systems; (1991) https://doi.org/10.1117/12.24899
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

As the modulation bandwidth of a traveling wave modulator is increased, the velocities of the microwave and the lightwave need to be taken into consideration. Velocity mismatch of 20 percent or greater can occur in a III-V modulator and this will result in a bandwidth of approximately 22 GHz-cm or less for an electrical loss of 1 dB/GHz sq rt/cm. To improve the bandwidth of the modulator to greater than 40 GHz, velocity mismatch would have to be reduced to within 10 percent. A new velocity matched III-V modulator is presented.

Citation Download Citation

Shih-Yuan Wang, Michael R. T. Tan, and Denny Houng "Velocity-matched III-V travelling wave electro-optic modulator", Proc. SPIE 1371, High-Frequency Analog Fiber Optic Systems, (1 February 1991); https://doi.org/10.1117/12.24899

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