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MadameBanaan

42 karma · joined July 27, 2020

Silicon Photonics Engineer

I manipulate light for a living, mostly in the infra red side of the spectrum.

I also manipulate light in the visible side of the spectrum as a hobby when doing astrophotography.

https://aribeiro.xyz/

submissionscomments
MadameBanaan··on Talk Python in Production
I came to this comment section to say exactly that.

At my work (university research lab) the Ph.D. students have to publish their thesis as a book to defend their degree. They are free to make the image for the cover, which is a very nice touch ang give you artistic freedom in what was supposed to be one of the most important moments of your career (I went for a picture of the chip I designed during my research).

For the past 3 years or so all we have are generic AI generated sciency-looking figures at the cover and it is depressing.

MadameBanaan··on Unprecedented flooding in Brazil leaves hundreds of thousands displaced
Don't forget about the countless acres of monoculture.
MadameBanaan··on The Four Hobbies, and Apparent Expertise
I do two very expensive hobbies: Triathlon and Astrophotography

I've never bought flagship gear, and I often buy second hand. This is the way.

MadameBanaan··on Show HN: Curiosity of the Day
One year for now, would I be able to see the curiosity from today as well?
MadameBanaan··on Rotation with three shears
I remember doing this on Paint to rotate a image.
MadameBanaan··on Ask HN: How many of you are open to Piracy again?
Software (games included) and music: never

TV Shows and Movies: Yes, if they are not on the platforms I'm subscribed to (currently Netflix and Disney)

MadameBanaan··on Ask HN: How to Learn C in 2022?
Thanks for the link
MadameBanaan··on 1.53 Petabits per Second Transmission in 55-Mode Fiber
As a photonics engineer, I'm more impressed by the 55-mode fibre than anything else
MadameBanaan··on Flip-Chip Integration of a GaSb Semiconductor Optical Amplifier W Si Photonics
I was intrigued by the claim of coupling without a spot size converter. But then I see that they are using a 3um thick silicon slab for the waveguide patterning.

I'm used to work in the 220nm CMOS based SOI slab, and It's virtually impossible to couple (even more in a laser cavity!) a GaSb mode to a the silicon mode without a spot size converter.

MadameBanaan··on Mito – Excel-like interface for Pandas dataframes in Jupyter notebook
Yeah, I have a hard pass on anything that offers an "Open Source" version, but actually meant to be a "Try it and be my Guinea Pig".
MadameBanaan··on I was terrified of an eyeball injection
I had 3 shots of Avastin to fix a neovascularization in my retina [1] around the end of 2010.

I have to say, it's not a very pleasant treatment. I vividly remember the image of the needle inside my eyeball and the liquid squeezing in (Avastin has a refractive index slightly different than the vitreos). But at least now I have a cool icebreaker when I get my flu shot every now and then :D

[1] - https://pubmed.ncbi.nlm.nih.gov/17011951/

MadameBanaan··on A variable signal at heart of the Milky Way
I'm not asking if someone has access to https://iopscience.iop.org/article/10.3847/1538-4357/ac2360 and could upload the article on SciHub ...
MadameBanaan··on Show HN: NoteCalc
I'm enjoying it, but the lack of documentation is frustrating.