Reconfigurable 1x4 optical switch in InGaAsP multiple quantum wells

Daniel A. May-Arrioja; Nathan P. Bickel; Patrick LiKamWa

doi:10.1117/12.590785

21 October 2004 Reconfigurable 1x4 optical switch in InGaAsP multiple quantum wells

Daniel A. May-Arrioja, Nathan P. Bickel, Patrick LiKamWa

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.590785
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

We report on an integrated 1 x 4 optical switch that operates using the principle of carrier-induced refractive index change in InGaAsP multiple quantum wells. The device is very simple, requiring only the currents applied to two electrodes for complete operational control. An area-selective zinc in-diffusion process is used to channel the current into the multiple quantum wells, thereby enhancing the efficiency of the carrier based effects. As a result, the electrical power consumption of the device is significantly reduced, allowing the switch to be operated uncooled and under d.c. current conditions. Our initial 1 x 4 switch exhibits a -8 dB crosstalk between channels. However, improvements on the switch design and better control during the device fabrication process will significantly enhance this value.

Citation Download Citation

Daniel A. May-Arrioja, Nathan P. Bickel, and Patrick LiKamWa "Reconfigurable 1x4 optical switch in InGaAsP multiple quantum wells", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.590785

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