Abstract
High speed optical switch is a key device for optical communications system. Many kinds of multimode interference (MMI) waveguide switch have been reported by using thermo-optical polymer whose response time is limited in milisencond orders. In order to obtain a high speed and low energy consumption properties, electro-optic (EO) polymer have been studied for a long time. However, it is diffcult to use EO polymer in MMI because the change of refractive index of EO polymer is small. In this work, we propose an EO polymer MMI waveguide switch with tapered access waveguides. The device consists of the tapered waveguides and multimode waveguide, where the interference condition and the light propagation are controlled by the change of the refractive index of EO polymer. Results of the beam propagation calculation show that the large effect of switching can be achieved by EO polymer having electro-optic coefficient (r33) of 100 pm/V. The cross talk in the device researches at 30 dB for both TE and TM polarizations. The figure-of-merit given by the products of half-voltage (V) and the active length (L) of the electrode was estimated to be VL=0.5Vcm.
| Original language | English |
|---|---|
| Pages (from-to) | 25-28 |
| Number of pages | 4 |
| Journal | Physics Procedia |
| Volume | 14 |
| DOIs | |
| Publication status | Published - Jan 1 2011 |
| Event | 9th International Conference on Nano-Molecular Electronics, ICNME 2010 - Kobe, Japan Duration: Dec 14 2010 → Dec 16 2010 |
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All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)
Cite this
Multimode interference waveguide switch of electro-optic polymer with tapered access waveguides. / Yu, Feng; Yamamoto, Kazuhiro; Piao, Xianqing; Yokoyama, Shiyoshi.
In: Physics Procedia, Vol. 14, 01.01.2011, p. 25-28.Research output: Contribution to journal › Conference article
}
TY - JOUR
T1 - Multimode interference waveguide switch of electro-optic polymer with tapered access waveguides
AU - Yu, Feng
AU - Yamamoto, Kazuhiro
AU - Piao, Xianqing
AU - Yokoyama, Shiyoshi
PY - 2011/1/1
Y1 - 2011/1/1
N2 - High speed optical switch is a key device for optical communications system. Many kinds of multimode interference (MMI) waveguide switch have been reported by using thermo-optical polymer whose response time is limited in milisencond orders. In order to obtain a high speed and low energy consumption properties, electro-optic (EO) polymer have been studied for a long time. However, it is diffcult to use EO polymer in MMI because the change of refractive index of EO polymer is small. In this work, we propose an EO polymer MMI waveguide switch with tapered access waveguides. The device consists of the tapered waveguides and multimode waveguide, where the interference condition and the light propagation are controlled by the change of the refractive index of EO polymer. Results of the beam propagation calculation show that the large effect of switching can be achieved by EO polymer having electro-optic coefficient (r33) of 100 pm/V. The cross talk in the device researches at 30 dB for both TE and TM polarizations. The figure-of-merit given by the products of half-voltage (V) and the active length (L) of the electrode was estimated to be VL=0.5Vcm.
AB - High speed optical switch is a key device for optical communications system. Many kinds of multimode interference (MMI) waveguide switch have been reported by using thermo-optical polymer whose response time is limited in milisencond orders. In order to obtain a high speed and low energy consumption properties, electro-optic (EO) polymer have been studied for a long time. However, it is diffcult to use EO polymer in MMI because the change of refractive index of EO polymer is small. In this work, we propose an EO polymer MMI waveguide switch with tapered access waveguides. The device consists of the tapered waveguides and multimode waveguide, where the interference condition and the light propagation are controlled by the change of the refractive index of EO polymer. Results of the beam propagation calculation show that the large effect of switching can be achieved by EO polymer having electro-optic coefficient (r33) of 100 pm/V. The cross talk in the device researches at 30 dB for both TE and TM polarizations. The figure-of-merit given by the products of half-voltage (V) and the active length (L) of the electrode was estimated to be VL=0.5Vcm.
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UR - http://www.scopus.com/inward/citedby.url?scp=84863401639&partnerID=8YFLogxK
U2 - 10.1016/j.phpro.2011.05.006
DO - 10.1016/j.phpro.2011.05.006
M3 - Conference article
AN - SCOPUS:84863401639
VL - 14
SP - 25
EP - 28
JO - Physics Procedia
JF - Physics Procedia
SN - 1875-3892
ER -