We present analysis and simulation of novel silicon-on-insulator (SOI) heterogeneous waveguides with thermo-optic phase shifters. New structure design contains a p-n junction on both sides of SOI ridge waveguide with 220 nm×35 μm silicon core. Strongly mode-dependent optical losses (by additional free charge absorption) provide quasi-singemode behavior of wide waveguide with mode size -10 μm. Local heater produces an efficient phase shifting by small temperature increase (ΔT ∼ 2K), switching power (< 40 mW) and switching time (< 10 μs). Mode optical losses are significantly decreased at high heating (ΔT ∼ 120 K).

Optical properties of new wide heterogeneous waveguides with thermo optical shifters / DE LEONARDIS, Francesco; Tsarev, Av; Passaro, Vittorio. - In: OPTICS EXPRESS. - ISSN 1094-4087. - 16:26(2008), pp. 21333-21338. [10.1364/OE.16.021333]

Optical properties of new wide heterogeneous waveguides with thermo optical shifters

DE LEONARDIS, Francesco;PASSARO, Vittorio
2008-01-01

Abstract

We present analysis and simulation of novel silicon-on-insulator (SOI) heterogeneous waveguides with thermo-optic phase shifters. New structure design contains a p-n junction on both sides of SOI ridge waveguide with 220 nm×35 μm silicon core. Strongly mode-dependent optical losses (by additional free charge absorption) provide quasi-singemode behavior of wide waveguide with mode size -10 μm. Local heater produces an efficient phase shifting by small temperature increase (ΔT ∼ 2K), switching power (< 40 mW) and switching time (< 10 μs). Mode optical losses are significantly decreased at high heating (ΔT ∼ 120 K).
2008
Optical properties of new wide heterogeneous waveguides with thermo optical shifters / DE LEONARDIS, Francesco; Tsarev, Av; Passaro, Vittorio. - In: OPTICS EXPRESS. - ISSN 1094-4087. - 16:26(2008), pp. 21333-21338. [10.1364/OE.16.021333]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/2251
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