Electrode Optimization Of High Speed Mach-Zehnder Interferometer

Albert C.T Wey; Julian P.G. Bristow; S. Sriram; Daniel Ott

doi:10.1117/12.942359

10 March 1988 Electrode Optimization Of High Speed Mach-Zehnder Interferometer

Albert C.T Wey, Julian P.G. Bristow, S. Sriram, Daniel Ott

Proceedings Volume 0835, Integrated Optical Circuit Engineering V; (1988) https://doi.org/10.1117/12.942359
Event: Cambridge Symposium on Fiber Optics and Integrated Optoelectronics, 1987, Cambridge, MA, United States

Abstract

We have designed and fabricated a Ti:LiNb0₃ waveguide high speed Mach-Zehnder interferometric modulator operating at 1.3 um wavelength. Design considerations for optical waveguide and traveling-wave coplanar-waveguide electrode have been listed. The modulator was optimized with respect to optical insertion loss, switching voltage or drive power, and modulation bandwidth. The fiber-pigtailed device had a 5 dB fiber-to-fiber loss and an intrinsic modulation bandwidth of 18 GHz. The voltage required to switch the device from the on- to off-state was measured to be 9.5 V, with an on/off extinction ratio of 33 dB.

Citation Download Citation

Albert C.T Wey, Julian P.G. Bristow, S. Sriram, and Daniel Ott "Electrode Optimization Of High Speed Mach-Zehnder Interferometer", Proc. SPIE 0835, Integrated Optical Circuit Engineering V, (10 March 1988); https://doi.org/10.1117/12.942359

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