A compact hybrid integrated optical dynamic channel equalizer

Details A compact hybrid integrated optical dynamic channel equalizer A compact hybrid integrated optical dynamic channel equalizer

H - Electricity

04

B

H04B 10/18 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2458038

An integrated optical dynamic channel equalizer that can be employed to equalize the channel gain level in a WDM transmission line and monitor the optical channel performance. The device consists of a circulator, a dynamic gain equalizer chip and a controller. Due to the simplicity of the dynamic gain equalizer chip, which includes one 1 × n multiplexer/demultiplexer, an n-channel variable optical attenuator array (VOA- n), a partially transparent dielectric reflective means and an n-channel detector array, the device is very compact and can be fabricated at low cost. By placing a quarter wave plate between the n-channel variable optical attenuator array and the partially transparent reflective means in the dynamic channel equalizer chip, the device can be rendered polarization insensitive.

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