Highly efficient EO polymers for low Vpi modulators

Diyun Huang; Danliang Jin; Baoquan Chen; Hui Chen; Don Tolstedt; Stephen Condon; Anna Barklund; Guomin Yu; Eric Miller; Raluca Dinu; Jingdong Luo; Zhengwei Shi; Tae-Dong Kim; Su Huang; Alex K.-Y. Jen

doi:10.1117/12.795561

2 September 2008 Highly efficient EO polymers for low V_π modulators

Diyun Huang, Danliang Jin, Baoquan Chen, Hui Chen, Don Tolstedt, Stephen Condon, Anna Barklund, Guomin Yu, Eric Miller, Raluca Dinu, Jingdong Luo, Zhengwei Shi, Tae-Dong Kim, Su Huang, Alex K.-Y. Jen

Author Affiliations +

Proceedings Volume 7049, Linear and Nonlinear Optics of Organic Materials VIII; 70490H (2008) https://doi.org/10.1117/12.795561
Event: Photonic Devices + Applications, 2008, San Diego, California, United States

Abstract

Poly(methyl methacrylate-co-9-anthrylmethyl methacrylate) (PMMA-AMA) LP-136 with various AMA contents was prepared. The polymer was modified via Diels-Alder (D-A) type "click chemistry". In one approach, the side-chain was grafted stepwise with maleimide-containing chromophore AJL-04 followed with N-phenylmaleimide (PI) to form LP-160. LP-160 was doped with 30 wt % of chromophore AJLS-102 to give electro-optic (EO) core polymer AJ-415. In the other approach, all the pending AMA groups were modified with PI in one step to yield LP-165. Doping 33.7 wt % AJLS-102 in LP-165 gives another core polymer AJ-416. The EO and material properties of both polymers were systematically studied. Via careful selection of bottom and top cladding materials with proper optical and electrical properties, Mach-Zehnder type modulators were fabricated based on both core materials. At the operational wavelength of 1550 nm, modulator with AJ-415 core has half-wave driving voltage (V_π) of 0.95 V and insertion loss of 19.1 dB, while the best results from modulators with AJ-416 core are 0.75 V of V_π and 17.1 dB of insertion loss. AJ-416 also has the advantage over AJ-415 for building EO modulator with better processibility and long-term stability.

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Diyun Huang, Danliang Jin, Baoquan Chen, Hui Chen, Don Tolstedt, Stephen Condon, Anna Barklund, Guomin Yu, Eric Miller, Raluca Dinu, Jingdong Luo, Zhengwei Shi, Tae-Dong Kim, Su Huang, and Alex K.-Y. Jen "Highly efficient EO polymers for low V_π modulators", Proc. SPIE 7049, Linear and Nonlinear Optics of Organic Materials VIII, 70490H (2 September 2008); https://doi.org/10.1117/12.795561

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