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Vikram Sekar ✓

@vikramskr · joined 16 Nov 2020

Physics-first semi research, ex-Qualcomm Substack: https://t.co/5UsdT8uIoy Podcast: https://t.co/u3oy4URHpB Institutional: https://t.co/lHFWctLH4R NFA. DYODD

24 158Followers
1 212Following
5 385Posts total
40.9KViews on collected posts

Derniers posts

If you pay $2B, then you can have as many co-authors as you want, and noone gets to say anything. https://t.co/7ahqX2IAn6
4K views · 33 likes · 2 reposts · 3 replies Open on X →
Well well, isn't this something! Lumentum is using the MOPA approach for DWDM arrays, with Nvidia of all people! My latest report talks all about MOPA lasers for CPO. https://t.co/oe2n5aa3nM 3.7K views · 25 likes · 1 reposts · 2 replies Open on X →
Get ready for a new exponential. 4.5K views · 47 likes · 0 reposts · 4 replies Open on X →
@vikramskr lumentum is also doing MOPA with nvidia, this is from ECTC 2026 [Design and Packaging of a DWDM CW-DFB Laser Array for Co-Integrated Optical Interconnects](https://t.co/0SkKjVy3lU) https://t.co/3S8F9TP8iE
4.1K views · 9 likes · 1 reposts · 2 replies Open on X →
Part 3 of the series on UHP lasers for CPO is out. In this post, we talk about the Master Oscillator Power Amplifier (MOPA) approach. Lumentum's approach has always been to make a single high power cavity that can produce about 400mW+ Others like Sumitomo do it differently... 3.3K views · 24 likes · 1 reposts · 5 replies Open on X →
@vikramskr Moving the controller into a custom base die is an ownership cut, not only a bandwidth cut. After that boundary is frozen, which later foundry-node or stack-height changes can the XPU team still distinguish? 30 views · 0 likes · 0 reposts · 0 replies Open on X →
@vikramskr The CPU vendors should be able to do this too? 105 views · 1 likes · 0 reposts · 1 replies Open on X →
@vikramskr Is this bad for the Hybrid Bonding equipment guys like Besi? Better for Hanma ? 302 views · 1 likes · 0 reposts · 1 replies Open on X →
https://t.co/S2C8ni7rZC 21K views · 118 likes · 20 reposts · 4 replies Open on X →

Face aux comptes de taille comparable

9 posts des 90 derniers jours, à côté de la tranche de 10K–100K abonnés. diffusé largement, mais peu de ces spectateurs réagissent.

Vues médianes3 668ce compte924médiane pour 10K–100K
Portée, %15.18%ce compte3.62%médiane pour 10K–100K
Engagement, %0.76%ce compte1.52%médiane pour 10K–100K
IndicateurCe compteMédiane pour 10K–100KRapport
Vues médianes par post3 6689243.97×
Portée (vues ÷ abonnés)15.18%3.62%4.19×
Taux d'engagement0.76%1.52%0.50×

Autres comptes de cette tranche →   Comparer avec un autre compte →   Comment ces repères sont établis →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

21K1 Sep
302
105
302 Sep
3.3K8 Sep
4.1K
4.5K
3.7K
4K

Last 9 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.69%1 Sep
0.66%
1.90%
0.00%2 Sep
0.91%8 Sep
0.32%
1.13%
0.76%
0.95%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.52%.

What the audience does

Likes52.1%258 in total
Reposts5.1%25 in total
Replies4.4%22 in total
Quotes0.8%4 in total
Bookmarks37.6%186 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

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