Modeling of a 2x2 multimode interference switch for wider optical window operation

G. Singh; A. Goyal; V. Janyani; R. P. Yadav

doi:10.1117/12.912589

28 February 2012 Modeling of a 2x2 multimode interference switch for wider optical window operation

G. Singh, A. Goyal, V. Janyani, R. P. Yadav

Proceedings Volume 8255, Physics and Simulation of Optoelectronic Devices XX; 82551A (2012) https://doi.org/10.1117/12.912589
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

This paper describes the modeling of a 2×2 multimode interference (MMI) switch, with a channel profile of Titanium indiffused Lithium Niobate. Design novelty lies in its satisfactory operation for two wide optical windows (100nm each with centre wavelengths, λ_centre of 1.3 μm and 1.55 μm) with low switching losses and crosstalk levels. Index tuned regions are optimized to achieve crosstalk levels of ≥ -18 dB and ≥ -14 dB for its operation in the wavelength range of 1.25 μm - 1.35 μm and 1.50 μm - 1.60 μm respectively. For either of these wavelength ranges, the switch losses (excess and insertion losses) are maintained lower than 1 dB.

Citation Download Citation

G. Singh, A. Goyal, V. Janyani, and R. P. Yadav "Modeling of a 2x2 multimode interference switch for wider optical window operation", Proc. SPIE 8255, Physics and Simulation of Optoelectronic Devices XX, 82551A (28 February 2012); https://doi.org/10.1117/12.912589

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