Ultra-low crosstalk polymer waveguide thermo-optic switches

Min-Cheol Oh; Young-Ouk Noh; Hyung-Jong Lee

doi:10.1117/12.688059

4 October 2006 Ultra-low crosstalk polymer waveguide thermo-optic switches

Min-Cheol Oh, Young-Ouk Noh, Hyung-Jong Lee

Proceedings Volume 6351, Passive Components and Fiber-based Devices III; 635114 (2006) https://doi.org/10.1117/12.688059
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

To reduce the crosstalk of the polymer waveguide optical switches, waveguide attenuators are integrated with the switch on the same substrate. The switch and attenuator shares a single connected electrode which is controlled by a single current source. Due to the simple structure of the integrated attenuator, the device length is reduced to 10 mm so as to provide low insertion loss of 0.8 and 1.1 dB for 1300 and 1550 nm, respectively. Further radiation of the remained optical signal on the switch-off branch is induced by the integrated attenuator so that the switching crosstalk is reduced to -70 dB with an applied electrical power of 200 mW. The low crosstalk is maintained for the environmental temperature range of -10 to 55 °C.

Citation Download Citation

Min-Cheol Oh, Young-Ouk Noh, and Hyung-Jong Lee "Ultra-low crosstalk polymer waveguide thermo-optic switches", Proc. SPIE 6351, Passive Components and Fiber-based Devices III, 635114 (4 October 2006); https://doi.org/10.1117/12.688059

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