- This topic has 8 replies, 3 voices, and was last updated 8 years, 7 months ago by alistu.
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August 22, 2015 at 6:48 am #23947Dhananjay PatelParticipant
Dear All,
I am trying to connect Single mode fiber to multi mode fiber after transmission. Please find attached the design. I am not getting any output at the fiber end.
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August 22, 2015 at 6:53 am #23949Abdallah IsmailParticipant
The SMF signal doesn’t contain any spatial information which is required to the multimode fiber.
Note: I haven’t check the design. -
August 22, 2015 at 7:00 am #23951Dhananjay PatelParticipant
So, how can we connect SMF with MMF. IS there any other alternative. Because in many papers I have seen people connecting physically SMF with MMF.
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August 22, 2015 at 8:38 am #23955Abdallah IsmailParticipant
Use mode generator after the SMF then connect it to the multimode fiber
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August 23, 2015 at 1:53 am #23964Dhananjay PatelParticipant
Thanks Abdallah Ismail. Its works fine. Connecting a Mode generator between the SMF and MMF does work.
Can you provide me with some insight of different modes of mode generator such as Laguerre Gaussian, Hermite gaussian, fiber LP. Which modes gives better results and why?
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August 23, 2015 at 3:07 am #23968Abdallah IsmailParticipant
It depends on your experiment.
We always use the approximated linear modes LP01,LP11a,etc-
August 23, 2015 at 3:37 am #23971alistuParticipant
Thank you Ismail for sharing your knowledge on space division multiplexing. In current version of Optisystem, few mode fibers are not available. Based on your experience, I would like to know if simulating SDM systems is possible using current Optisystem version (by generating modes and then injecting them into one fiber for example)? I haven’t started working in this field yet. Thank you.
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August 23, 2015 at 3:41 am #23972Abdallah IsmailParticipant
You can check my old posts, you’ll find good designs as a start which will help you how to adapt optisystem to simulate Mode Division Multiplexing.
It is easy.
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