Transfer Function of MZM

[Jamal]

Can anyone suggest how can we emulate the transfer function of an MZM ?

[Jamal]

equation for the transfer function of MZM ?

[Karan Ahuja]

I also want to add that in an analog system that uses an MZM-based fiber-optic link to convey a signal without converting it to a new microwave frequency, the output fundamental signal strength is maximum when the MZM is biased at any voltage that is halfway between a maximum and minimum transmission point on the transfer function curve-a so-called “quadrature” bias point . Quadrature bias points occur when the optical phase difference at the output of the two paths in the Mach-Zehnder interferometer is an odd-integer multiple of 90 degrees. Maintaining the MZM bias at quadrature is very important in microwave systems with bandwidths wider than one octave, because only at quadrature are second-order distortion products minimized.
Check the following link for further query.
http://www.lightwaveonline.com/articles/print/volume-18/issue-5/features/bias-controllers-for-external-modulators-in-fiber-optic-systems-53469212.html

[Jamal]

Thank you Karan for such valuable information.
second order harmonics are minimal at quadrature point as you said.
Do you know at what point are third order harmonics minimal ?
Also can you give a mathematical explanation for this ?

[Aabid Baba]

Hello Jamal,
This paper may be very helpful to you. I would suggest you to go through this paper.
http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=4652286
Hope it helps.
Regards

[Jamal]

Thank you Aabid, I shall go through this

[Md. Mahfuzul Azam Ghuri]

What is the max and min bias point of LNMZM in optisystem12

[K. Esakki Muthu]

Please go through the attachment

Attachments:

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[Md. Mahfuzul Azam Ghuri]

thanks a lot, actually i am trying to generate 64 Ghz signal using frequency octupling , Given all the values that used in a paper but somehow output is not the required one.

[Author]

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