optical-networking

🥈2nd Place (Ciena Coding Challenge 2026) | C-based optical network router simulator using UDP microservices for port, connection, traffic, and CLI management.

Vendor-agnostic gNMI server that bridges NETCONF devices to gNMI clients

Acacia (Acacia Communications) is a coherent optical networking company, an early Matrix Partners portfolio company that was acquired by Cisco. Acacia designs and manufactures high-speed coherent optical interconnect solutions built on silicon photonics, low-power DSP, and 3D siliconization, including performance-optimized modules (AC1200, CIM 8)…

Cerent Corporation was a Petaluma, California optical-networking startup, founded in the mid-1990s and backed by Kleiner Perkins, that built the Cerent 454 — a compact next-generation SONET multiservice provisioning platform that collapsed traditional add-drop multiplexing into a far smaller, cheaper, data-aware box for carrier metro networks.

NewPort Communications was a fabless semiconductor startup that developed mixed-signal integrated circuits for the high-speed optical networking market, including CMOS-based transceivers for 2.5-Gbit/s (OC-48) SONET/SDH applications.

Tejas Networks is an India-based telecommunications networking products company (part of the Tata group) that designs and manufactures a wall-to-wall portfolio of wireline and wireless networking equipment for telecom carriers, internet service providers, utilities, defense, and governments.

Lightera Networks Inc. was a Cupertino, California optical networking equipment startup backed by Kleiner Perkins. It built optical core switching systems for carrier transport networks during the late-1990s buildout of long-haul optical infrastructure.

Tellabs is a networking infrastructure vendor focused on Passive Optical LAN (OLAN) and broadband access for enterprises, government, and service providers. Its portfolio includes the Passive Optical LAN solution, the Tellabs 1000 MSAP broadband digital loop carrier converging legacy copper and fiber, and the Tellabs Panorama Element/Integrated…

Cinta Networks, Incorporated was a venture-backed optical networking equipment startup of the dot-com era, funded in part by Battery Ventures and led by CEO John Vaughan. The company built the patented WAVEJunction product family, an architecture that integrated DWDM optical transport with optical switching in a single network element for metro…

Symmorphix, Inc. was a materials-science company founded in 1998 and based in Sunnyvale, California, that developed and manufactured advanced amorphous dielectric and optical thin films for the optical-networking and communications industries.

Inphi Corporation (formerly NYSE: IPHI) was a fabless semiconductor company that designed high-speed analog and mixed-signal interconnect components -- SerDes, PAM4 DSPs, optical DSPs, and coherent DSPs -- used to move data across networks and inside data centers, from cloud and telecom infrastructure to long-haul and metro optical transport.

Sedona Systems was an Israeli deep-tech networking company (multi-layer / multi-domain network optimization and hierarchical control for optical and IP transport networks) surfaced as a portfolio company of bessemer-venture-partners.

LightLogic was an optoelectronics company founded in January 1998 and headquartered in Newark, California. It designed and manufactured highly integrated optical modules — transmitters and receivers — for high-speed (10 Gb/s and up) fiber optic telecommunications equipment, specializing in the integration of lasers, micro-optics and high-speed…

ONI Systems Inc. was an optical networking equipment company that built optical switching and transport systems for metropolitan-area networks during the fiber-optic boom of the late 1990s and early 2000s.

Infinera is a vertically integrated optical networking and DWDM transport equipment vendor, known for its in-house photonic integrated circuits, coherent optical engines (ICE), XR optics, and the GX, Groove, and FlexILS system lines used by carriers, cloud/internet-content providers, and enterprises to build high-capacity transport networks.

Avanex Corporation was a fiber-optic components manufacturer founded in 1997 and headquartered in Fremont, California, backed by Mayfield along with Crosspoint Venture Partners, JAFCO America and Sequoia Capital.

Alcatel-Lucent was a French-American telecommunications equipment company formed in 2006 from the merger of Alcatel (France) and Lucent Technologies (USA, the former Bell Labs / AT&T systems business).

Cortina Systems, Inc. was a venture-backed fabless semiconductor company founded in 2001 and headquartered in Sunnyvale, California, that designed high-speed communications and networking integrated circuits for optical transport, carrier Ethernet, framer/mapper and PHY devices, and broadband access (EPON/GPON and DSL).

BTI Systems was an Ottawa, Ontario based supplier of cloud and metro packet-optical networking systems and software, best known for the BTI 7800 Series Packet Optical Transport platform, the BTI 800 Series, and the proNX family of management software (proNX Service Manager and proNX Optical Director).

Tejas Networks is a Bengaluru, India-based optical and data networking products company that designs, develops and manufactures telecom networking equipment for communications service providers, internet and cable operators, utilities, defence and government agencies worldwide.