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

Son gönderiler

Vikram Sekar ✓@vikramskr8 Sep

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 →

Vikram Sekar ✓@vikramskr8 Sep

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 →

Vikram Sekar ✓@vikramskr8 Sep

Get ready for a new exponential. 4.5K views · 47 likes · 0 reposts · 4 replies Open on X →

Vikram Sekar ✓@vikramskr8 Sep

@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 →

Vikram Sekar ✓@vikramskr8 Sep

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 →

Vikram Sekar ✓@vikramskr2 Sep

@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 →

Vikram Sekar ✓@vikramskr1 Sep

@vikramskr The CPU vendors should be able to do this too? 105 views · 1 likes · 0 reposts · 1 replies Open on X →

Vikram Sekar ✓@vikramskr1 Sep

@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 →

Vikram Sekar ✓@vikramskr1 Sep

https://t.co/S2C8ni7rZC 21K views · 118 likes · 20 reposts · 4 replies Open on X →

Aynı büyüklükteki hesaplara karşı

Son 90 güne ait 9 gönderi, 10K–100K takipçi aralığıyla yan yana. geniş kitleye gösteriliyor, ama izleyenlerin azı tepki veriyor.

Medyan görüntülenme3 668bu hesap92410K–100K için medyan

Erişim, %15.18%bu hesap3.62%10K–100K için medyan

Etkileşim, %0.76%bu hesap1.52%10K–100K için medyan

Ölçüt	Bu hesap	10K–100K için medyan	Oran
Gönderi başına medyan görüntülenme	3 668	924	3.97×
Erişim (görüntülenme ÷ takipçi)	15.18%	3.62%	4.19×
Etkileşim oranı	0.76%	1.52%	0.50×

Bu aralıktaki diğer hesaplar → Başka bir hesapla karşılaştır → Bu kıyas değerleri nasıl kuruluyor →

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

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.

Son gönderiler

Aynı büyüklükteki hesaplara karşı

Growth & engagement

Views per post

Engagement rate per post

What the audience does

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