16 Questions 23 Answers 0 Followers
Questions related from Abbas N.
Hi all, I am using a CFBG with the following parameters: Center wavelength = 1035nm D = 0.372 ps/nm 3dB reflection bandwidth = 18nm For SMFs, D is given in the units of ps/nm.km, GDD is simply:...
06 June 2023 3,737 3 View
I have a laser with a spectral bandwidth of 19nm and is linearly chirped. The Fourier transform limit is ~82fs assuming a Gaussian profile. I have built a pulse compressor based on the available...
27 March 2023 113 2 View
I am using 3mm MgO: PPLN crystal and want to know its pump acceptance bandwidth. I want to calculate its pump acceptance bandwidth and am wondering if there is a simple way to calculate it
28 October 2022 1,109 2 View
Dear all, I am building and aligning mech Zehnder type f-2f interferometer for CEP signal detection. I have a few questions regarding this setup if someone could advise or comment? so, I have a...
10 August 2022 8,648 7 View
I want to generate second harmonic using the long-wavelength (1600nm) part of the supercontinuum as pump. How to decide on choosing the right focal length lens for SHG. I am using 10mm-long...
10 December 2021 5,768 3 View
how to do f-2f interferometry from an octave spanning supercontinnum with frequency spacing 120MHz. Which would be the most suitable optical filter in this range for filtering f and 2f components...
13 October 2020 4,622 1 View
Is it possible to see current signal on oscilloscope. Since we can only see voltage signals directly on the oscilloscope. One way can be, to use a shunt resistor and look at the voltage signal...
30 June 2020 8,811 14 View
What type of PCF is ideal for coherent SC generation for carrier envelope offset measurement of a modelocked laser. As far as I know, for coherent SC generation, PCF should be pumped in normal...
15 March 2020 4,148 3 View
I am trying to couple light from Laser with M^2=1, wavelength = 1030nm and beam diameter = 1.3mm. Please suggest a lens for efficient coupling into PCF (say 2um core). As far as I know, I have two...
26 February 2020 8,132 8 View
In case of thin disk laser, what is the simplest and the most efficient way to couple laser light into photonic crystal fibre for super continnum generation. Thanks
11 February 2020 5,561 4 View
how to spliced different different core size (MFD) fibres ( single mode to graded index multimode). I am trying to splice SMF to GIMF, to fabricate SMF-GIMF-SMF saturable absorber. Although, I...
01 February 2020 4,319 6 View
I am making a design where I have to splice PM single mode fiber to graded index multimode fiber, can it be possible with generic splicers or need some specialized one. what parameters should be...
17 June 2019 5,558 3 View
PDH is one method what are other options to achieve stable locking of of DFB-LD to scanning fabry perot etalon with FSR=1.5GHz and 3-dB BW=7.5MHz. I want to lock DFB-LD to FPE negative...
17 August 2017 3,734 1 View
I am trying to lock laser at half transmission point of scanning fabry perot etalon (SA200 ) using electrical feedback to laser driver current source.How can I achieve it. my experiment consists...
07 August 2017 4,698 3 View
I am doing an experiment in which I am using 2.5G APD TIA to detect optical signal.On its differential outputs I am getting data and data_bar=-24dBm and -26dBm resp. Which op-amp IC should I use...
02 January 2017 7,845 4 View
I am doing an experiment in which using fabry perot filter for laser stabilization.The system is highly dependent on the temperature variations of fabry perot filter.How can I stabilize FP filter...
05 September 2016 5,673 10 View
