High speed attojoule/bit passive and active nanophotonic devices for computing and optical interconnects (Conference Presentation)

Zeyu Pan; Cheng Zhang; Harish Subbaraman; Chi-Jui Chung; Qiaochu Li; Xiaochuan Xu; Xingyu Zhang; L. Jay Guo; Ray T. Chen

doi:10.1117/12.2254780

28 April 2017 High speed attojoule/bit passive and active nanophotonic devices for computing and optical interconnects (Conference Presentation)

Zeyu Pan, Cheng Zhang, Harish Subbaraman, Chi-Jui Chung, Qiaochu Li, Xiaochuan Xu, Xingyu Zhang, L. Jay Guo, Ray T. Chen

Author Affiliations +

Proceedings Volume 10109, Optical Interconnects XVII; 1010910 (2017) https://doi.org/10.1117/12.2254780
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

An optical reconfigurable logic device is an optical equivalent of an FPGA, and all the basic digital logic functions can be realized. A tremendous advantage that the optical scheme has over the conventional electronic scheme is the elimination of gate latency and simultaneous availability of a logic function and its complementary at the output, which makes this approach extremely efficient. In this paper, an electro-optic polymer-based high-performance reconfigurable logic system is proposed. Compared to silicon, electro-optic polymers have the advantages of 1) large electro-optic coefficient and ultra-fast response speeds, and 2) easy solution-based processability, thus ultra-high speed logic systems on flexible and rigid substrates are possible. Although most polymer materials can be spun on to form a uniform layer, their patterning into a waveguide often relies on the use of reactive-ion etching (RIE), which is not only an expensive process, but also deteriorates the surface quality, thus negating any advantage provided by polymeric material systems. To address this problem, we utilize all-additive “printing” process comprising of nanoimprint lithography and ink-jet printing for developing low-loss and high surface-quality systems. The ring resonator, demonstrated with Q-factor of 20,720 and switching speed of 1 MHz, is used as an integral component of the logic device. Utilizing different configuration architectures of ring resonators, polymer-based optical logic gates are proposed. The R2R compatible printing processes will enable high-rate, low-cost, and large-area development of these devices on flexible as well as on rigid substrates, thus enabling high-performance integrated polymer based optical interconnect systems.

Conference Presentation

Citation Download Citation

Zeyu Pan, Cheng Zhang, Harish Subbaraman, Chi-Jui Chung, Qiaochu Li, Xiaochuan Xu, Xingyu Zhang, L. Jay Guo, and Ray T. Chen "High speed attojoule/bit passive and active nanophotonic devices for computing and optical interconnects (Conference Presentation)", Proc. SPIE 10109, Optical Interconnects XVII, 1010910 (28 April 2017); https://doi.org/10.1117/12.2254780

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