Acta Optica Sinica, Volume. 26, Issue 9, 1397(2006)
CouplingBased ElectroOptic Polymer Variable Optical Attenuator Using Three Waveguides
Variable optical attenuator (VOA) is one of the key devices in Dense Wavelength Division Multiplexing (DWDM) network. This paper proposes a method of designing a couplingbased VOA. The VOA uses three channel waveguides and utilizes the electrooptic effects of polymer. The Beam Propagation Method (BPM) analyzes and simulates the qualities of this device. The results show that the VOA achieves nearly 60 dB loss with a low insert loss (0.48 dB) and the drive voltage is 11.7 V. This design reduces the drive voltage effectively, and realizes a large loss.
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[in Chinese], [in Chinese], [in Chinese]. CouplingBased ElectroOptic Polymer Variable Optical Attenuator Using Three Waveguides[J]. Acta Optica Sinica, 2006, 26(9): 1397