Photon Capital

Paid subscriptions launched less than three weeks ago. Today, PhotonCap is #10 on Substack's Rising Bestsellers in Technology. This milestone belongs entirely to the community here on X who recognized the value of this research from day one. That tells me something: there is real demand for photonics analysis grounded in physics, not hype. PC101 fundamental lectures, optical technology deep dives, earnings calls interpreted through a photonics lens — you told me this matters by showing up. Thank you. Here's what's changing. 1. Platform roles Substack (primary): All deep-dive research and the full archive will be available here first. This is the home base going forward. X: PC101 lectures will continue here through Lecture 10, as promised. Short-form insights, threads, real-time commentary, and article summaries will also continue. 2. Substack pricing update (effective April 1) I'm one person with a day job doing original research — no team, no editor. The current $8/month was a launch price for something unproven. A Top 10 ranking in three weeks says it isn't unproven anymore. Starting April 1, pricing will be updated to reflect where comparable independent deep-tech research is priced ($15–50/month). The exact new rate is being finalized. X subscriptions remain at $8/month with continued access to summaries and short-form content. 3. Existing subscriber pricing (Grandfathering) If you're already a paid subscriber on Substack, your price never changes. $8/month ($80/year) stays locked in permanently, as long as you remain subscribed. Early supporters get early pricing. That's a promise. Substack's official pricing policy: support.substack.com/hc/en-us/artic… If you've been considering You have until March 31 to lock in $8/month ($80/year) on Substack permanently. After April 1, the new rate applies to all new subscribers. → photoncap.substack.com There's a lot more coming. Cheers, PhotonCap ---------------------------------------------- [KOR] 유료 구독을 시작한 지 3주도 안 되어, Substack Technology 부문 Rising 베스트셀러 10위에 올랐습니다. 이 성과는 처음부터 이 리서치의 가치를 알아봐 주신 X 커뮤니티 덕분입니다. 이 순위가 말해주는 건 하나입니다. 물리학에 기반한 포토닉스 분석에 진짜 수요가 있다는 것. PC101 기초 강의부터 개별 광학 기술 소개, 어닝콜의 광학적 해석까지. 찾아와주신 모든 분들께 깊이 감사드립니다. 앞으로의 운영에 관한 중요한 변경 사항을 안내해 드립니다. 1. 플랫폼의 역할 분리 Substack (메인): 심층 딥다이브 리서치와 전체 아카이브가 가장 먼저, 확실하게 올라가는 본진이 됩니다. X: PC101 강의는 약속드린 대로 10강까지 X에서 계속 연재됩니다. 숏폼 인사이트, 쓰레드, 실시간 코멘터리 및 아티클 요약도 계속해서 활발히 업로드됩니다. 2. Substack 구독료 인상 (4월 1일부) 본업을 병행하는 1인 리서처로서, 현재의 $8/월은 아무것도 증명되지 않았던 시점의 런칭 가격이었습니다. 3주 만의 Top 10 진입은 더 이상 제 리서치가 "증명 안 된" 것이 아님을 의미합니다. 4월 1일부터 딥테크 독립 리서치 시장 가격대($15–50/월)를 반영하여 새로운 가격이 적용될 예정입니다. X의 유료 구독은 기존처럼 숏폼/요약본 열람 및 후원 목적으로 $8/월로 유지됩니다. 3. 기존 구독자 혜택 (Grandfathering) 이미 Substack 유료 구독 중이신 분들은 가격 변동이 전혀 없습니다. 가입 시점의 $8/월 ($80/년)이 구독을 유지하시는 한 영구적으로 적용됩니다. 초기 서포터를 위한 가격은 영원합니다. Substack 공식 가격 정책: support.substack.com/hc/en-us/artic… 아직 구독 전이시라면 3월 31일까지 Substack에서 $8/월 ($80/년)로 영구 가입이 가능합니다. 4월 1일부터 새로운 가격이 적용됩니다. → photoncap.substack.com 앞으로 더 많은 것들이 준비되어 있습니다. 감사합니다. PhotonCap 올림

@BSkypia59338 진짜 기술유출은 윗대가리가 다시키면서 별 쓸데없는 보안절차는 엄청 많죠

$TSEM Tower Semiconductor (TSEM) and Oriole Networks announced a collaboration (March 16, timed to OFC 2026) to commercialize nanosecond-speed optical circuit switching (OCS) on Tower's SiPho foundry platform — targeting AI cluster networking. The problem: As GPU clusters scale beyond 16,000 nodes, multi-tier electrical packet switching creates severe tail latency and power bottlenecks. Communication overhead in existing networks typically runs in the tens of percent, meaning GPUs spend significant time waiting for data rather than computing. Oriole's solution — PRISM/PRISM Ultra: -Replaces all tiers of electrical switching with edge-based nanosecond OCS + fully passive glass core (zero power, zero cooling) -PRISM Ultra delivers 51.2 Tb/s per xPU, 180ns xPU-to-xPU latency, and 1-hop contention-free connectivity scaling to 1 million nodes morningstar.com/news/business-… -Reduces training communication overhead to under 1% Tower's role: Provides the high-volume SiPho fab for Oriole's XTR modules (integrated photonic switch + transceiver), integrating lasers, optical amplification, switching, modulation, and detection on a single platform. Strategic context: This is part of Tower's aggressive SiPho platform diversification in early 2026 — $NVDA (1.6T transceivers), Scintil (DWDM CPO lasers), Salience Labs (OCS), LightIC (LiDAR), Xanadu (quantum). Tower is positioning itself as the " $TSM of silicon photonics." Watch for: Commercial deployment timeline, hyperscaler adoption signals, and how Oriole's radical full-stack OCS approach competes with $GOOGL's slower OCS and incremental CPO strategies.

$TSEM 의 최근 행보 (Photonics 관련) 소개드립니다. 0. $LWLG: x.com/PhotonCap/stat… 1. Alcyon: x.com/PhotonCap/stat… 2. Salience labs: x.com/PhotonCap/stat… 3. Scintil: x.com/PhotonCap/stat… 4. LightIC: x.com/PhotonCap/stat… 5. $NVDA: nasdaq.com/press-release/…

@PhotonCap Buying on the day you tweeted has propelled my portfolio to wayyyy past ATH

I've been tracking Tower Semiconductor $TSEM's silicon photonics moves for a long time. Every partnership, every earnings call, every capacity expansion. Today I finally put it all into one article. $TSEM just signed a development agreement to integrate $LWLG's electro-optic polymer into its PH18 silicon photonics PDK — 8 days after NVIDIA committed $4B to Lumentum and Coherent. This isn't a coincidence. It's a pattern. A foundry betting $920M on SiPho doesn't put an unproven material on its menu without conviction. I wrote a deep dive covering: → Why TSEM's PH18 PDK integration changes LWLG's trajectory from "interesting demo" to "industry-standard candidate" → The 6-partner SiPho ecosystem TSEM built in 12 months (NVIDIA, Scintil, Salience Labs, and more) → EO polymer vs. TFLN — an honest comparison, including where HyperLight is already ahead → TAM → SAM: what LWLG can actually capture (hint: it's not $100B) → The risks that could break the thesis The first half is free — start there to understand the technology. $TSEM $LWLG substack.com/home/post/p-19…