In this article, we will take a look at the 5 Best Photonic Computing Stocks to Buy Now. For a deeper discussion and an extended list, please see the 10 Best Photonic Computing Stocks to Buy Now.

5. Ciena Corporation (NYSE:CIEN)
Ciena Corporation (NYSE:CIEN) is among the Best Photonics Stocks.
On June 10, Ciena Corporation (NYSE:CIEN) and Colt Technology Services reported they completed a transatlantic trial transmitting safe quantum data at 800GbE across 6,900km between New York and London. It marked one of the fastest demonstrations of its kind. The companies stated that the test used Ciena’s WaveLogic 6 Extreme encryption to protect live data and maintain ultra-high speeds.
The firms warned of rising “harvest now, decrypt later” threats. The attackers could store intercepted data for future quantum decryption, potentially viable by 2030. The corporations cite research that 69% of organizations see quantum risk and 46% fear large-scale data exposure.
Colt COO Buddy Bayer said the trial “proves that quantum-safe protection can be delivered at real-world scale,” and the infrastructure supports secure growth for hyperscalers and enterprises.
Ciena Corporation (NYSE:CIEN) SVP Dino DiPerna said the test shows post-quantum cryptography can secure high-speed services “over real-world long-haul and submarine networks.” It also addressed surging demand and evolving security risks.
Ciena Corporation (NYSE:CIEN) is a network technology company that works on the development of hardware, software, and services to network operators, allowing enhanced network capacity, service delivery, and automation. It functions through Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services segments.
4. Corning Incorporated (NYSE:GLW)
On June 12, Corning Incorporated (NYSE:GLW) CEO Wendell Weeks, speaking to The Wall Street Journal, said the company has risk-sharing provisions in multibillion-dollar fiber deals with Nvidia, Meta, and Amazon. It requires customers to bear demand uncertainty while the firm focuses on R&D and production. He argued, “there’s certain risks that really belong with their shareholders,” and that customers must take responsibility for the risk of overestimating needs.
The WSJ reported Corning’s stock has roughly doubled since January, and the company plans to grow sales 50% by 2028, riding AI-powered data center demand. CEO Weeks recalled the dotcom crash, saying those lessons shape the current strategy and help avoid overcommitment despite strong orders.
Raymond James’ Frank Louthan told WSJ such terms are unusual. He noted large customers typically dictate vendor economics. Weeks countered that the firm’s decades of R&D and specialized fiber technology provide leverage to demand upfront capital.
Weeks added demand remains solid, but insisted Corning Incorporated (NYSE:GLW) will not “bet the family farm” on AI spending cycles.
Corning Incorporated (NYSE:GLW) works in optical communications, display, specialty materials, automotive, and life sciences businesses in the United States, Canada, Mexico, Japan, Taiwan, China, South Korea, Germany, and internationally.
3. Taiwan Semiconductor Manufacturing Company Limited (NYSE:TSM)
Taiwan Semiconductor Manufacturing Company Limited (NYSE:TSM) is one of the Best Photonics Stocks.
On June 10, the BBC reported that Taiwan Semiconductor Manufacturing Company Limited (NYSE:TSM) signaled potential pricing pressure. CFO Wendell Huang told the BBC that inflation has increased costs and the company does not rule out price hikes even though it would avoid “fourfold, fivefold” increases. He also stated that “We reflect our value,” noting technology leadership and manufacturing strength, the BBC reported.
Earlier, Taiwan Semiconductor Manufacturing Company Limited (NYSE:TSM)’s Chairman and Chief Executive CC Wei told shareholders he would “like” to raise prices as competitors have, the BBC reported. He also stated that booming artificial intelligence demand has pushed the corporation to build capacity while keeping pace with customers.
Huang rejected concerns that the AI boom is a bubble. He told the BBC that the firm’s conviction remains strong as customers continue investing. He also said global expansion follows customer demand rather than government pressure and emphasized that the most advanced chip production will remain in Taiwan despite overseas investments.
Taiwan Semiconductor Manufacturing Company Limited (NYSE:TSM) manufactures and sells integrated circuits and wafer-based semiconductor devices.
2. Marvell Technology, Inc. (NASDAQ:MRVL)
On June 11, Reuters reported that Marvell Technology, Inc. (NASDAQ:MRVL) named Dan Durn as chief financial officer, succeeding Willem Meintjes, with Durn set to start on June 15. Meintjes remains in an advisory role through April 2027. CEO Matt Murphy said Durn’s semiconductor experience would help capture rising AI infrastructure demand and stated that the company plans to benefit from increased spending on data center technologies. The report also said Marvell confirmed its fiscal Q2 2027 outlook, with shares slipping about 2% in extended trading.
Days earlier, on June 8, Reuters also reported that Marvell Technology, Inc. (NASDAQ:MRVL) shares jumped over 9%. Shares went up after S&P Dow Jones Indices’ confirmation of its inclusion in the S&P 500 effective June 22, replacing Pool Corp. The move followed a 59% surge since May 27 with forecasts that its custom chip unit could exceed $10 billion in fiscal 2029 and broader artificial intelligence-driven demand, Reuters said.
Marvell Technology, Inc. (NASDAQ:MRVL) is a firm that designs, develops, and sells integrated circuits. It operates in the United States, Singapore, Israel, India, China, and Others segments.
1. Coherent Corp. (NYSE:COHR)
Coherent Corp. (NYSE:COHR) is among the Best Photonics Stocks.
On June 11, JPMorgan’s Samik Chatterjee flagged a nearly 20% pullback in shares of Coherent Corp. (NYSE:COHR) and Lumentum from early June highs. The firm noted “a host of concerns,” including limited summer catalysts and fears of delays in co-packaged optics adoption. The analyst called the setup increasingly attractive as “once-lofty optical premiums” reset. He reiterated the “Overweight” ratings and stated that the channel checks suggest adoption remains on track.
Earlier, on May 13, BofA bumped up its price target on Coherent Corp. (NYSE:COHR) to $400 from $365. The firm maintained a “Neutral rating” on the shares. It highlighted a growing 2030 AI data center market estimate of $1.7 trillion, up from $1.4 trillion. The firm also said 2026 should bring booming AI sales and returns, with efficiency gains surfacing in 2027.
Separately, company guidance outlined fourth-quarter fiscal year 2026 expectations, projecting revenue of $1.91 billion to $2.05 billion and non-GAAP EPS of $1.52 to $1.72.
Coherent Corp. (NYSE:COHR) produces, refines, manufactures, and markets engineered materials, optoelectronic components and devices, and lasers for the industrial, communications, electronics, and instrumentation markets. It works through networking, materials, and laser areas.
While we acknowledge the potential of COHR to grow, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and have limited downside risk. If you are looking for an AI stock that is more promising than COHR and that has 100x upside potential, check out our report about the cheapest AI stock.
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