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| Full Name | Mohamed Elgaud |
| Organization | University Kebangsaan Malaysia |
| Job Title | Postgraduate student |
| Country |
Forum Replies Created
Thank you Sam Sung, am viewing them right now, sure the would be helpful. Thanks again
Hello alistu, the attached osd file contains on the simplest form of the transmission I want to work with. the round trip time in this case is 9.73 microsecond, I entered it as a time window, but this makes the pulse width near 10 micro second also. What I want to do is to send one single pulse with a width of 10 ns, or any pulse width I need to use without the control of the main layout of the pulse width.
Thank you
Attachments:
hello everyone, is there any possibility in Optisystem to work with different bit rates between the main layout (the global parameters) and the bit rate in the user defined pulse generator? I need to work with 10ns pulse (single Pulse) width while the main layout bitrate equal to KHz values (almost 102Khz) Thank you
Thanks very much dear, this is very helpful,would like to thank Damian also. This is to simulate single pulse with Gaussian pulse generator, is there any possibility to simulate the single pulse transmission when using CW laser source and Bit sequence gen in addition to MZM modulator?
Hi, I suggest checking the samples folder attached with the Optigrating software, and the LPG example attached in particular.
Best of Luck
Thank you very much Sam Sung, am viewing the solution now,appreciated.
Hello alistu, yes, just now I realized Alessandro suggestion, yes,it would be great in practice. What I am trying to ask is that, is it possible in Optisystem to maintain the pulse width at particular width (such as 10 ns) while work in the main layout with KHZs bit rate? Thank you
Team, I tried to generate the signal in a separate layout, with a main bit rate 10M, to get a signal width of 10ns, then I saved it into a file (with the help of Save to file tool, from the library tools) then I went to my main layout, assign the bit rate to KHZ and imported the signal saved previously, by using load from file tool, any way, the loading is not possible because mismatching of frequencies as I read in the warning.
Hi Sam Sung,I am preparing a case study related to single pulse transmission and a coded once, a simple study right now and not related to optical memories. But anyway, please if you got any progress related, please let me know. Thank you
Hi Alessandro ,firstly thank you for participating the discussion,I agree with alistu, the delay and congestion will shut down the whole design.
I need to work with a single pulse, i.e. Only one single pulse accommodated by 1 bit generated by the pattern generator, for the whole round trip,and when that one single signal finishes its journy, the second signal launched. It can be done by adjusting the bit length in the main layout, but the bit rate you used will control the pulse width. The problem of necessary matching between the main layout bit rate and the pulse width is our problem.
Thank you very much guys, sorry for late replay, will attach the scheme soon and get your appreciated help.
Hi Ravil,
Thank you for your response, am trying to simulate Simplex coding derived from Hadmard matrix, by implementing the code in the transmission using Mach-Zender, user defined pulse generator and NRZ signal, in addition to the CW laser source. Several steps I need to ask about, for example, in the coding part, how to implement (let us say) 3 bits code length,what is the rule of the leading zeros and trailing zeros?how to fill up the fiber length with the sequence based on the round trip time?And then what tools offered by the software to extract the signal after transmission? The urgent case for me now is the transmission and the coding part if you have an idea or toturials related. ( It seems I have many long questions ^_^) Thank you again
Hi, this is maybe late reply, but first try to export your FBG spectrum to a folder on your device, choose the export tool from the menu in the Optigrating software.Choose export as optisystem/text files. Once you have already organized your text files and named them, for example 100,200,,, microstrain or 20 C if you are examining the sensor under different parameters, now you go to the Optigrating component in the Optisystem, double click on it, enter the main list, click FBG file name, browse and import your file, this is the case of single file to be imported, in case you are working with several spectrume, just click on sweep instead of normal, set your sweeps as the number of files/parameters you are working on, upload them one by one. Hope this is helping. Besy regards