Multimode-interference-type thermo-optic variable optical attenuator with a response frequency of 10 kHz
- 1 March 2003
- journal article
- Published by SPIE-Intl Soc Optical Eng in Optical Engineering
- Vol. 42 (3) , 606-607
- https://doi.org/10.1117/1.1547772
Abstract
A thermo-optic variable optical attenuator based on a multimode interference coupler principle is fabricated. The propagation loss of the fabricated device is 1.6 to 3.8 dB at the wavelength range 1510 to 1610 nm, which is very near the calculated value (1.2 dB) by the finite difference beam propagation method. The maximum power consumption is 363 mW and the dynamic attenuation range is 0 to 26 dB. The response frequency of the fabricated attenuator is about 10 kHz. © 2003 Society of Photo-Optical Instrumentation Engineers.Keywords
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