Transmitters & Receivers

10GHz High Sensitivity Fiber Optical Amplified Photodetector / Photoreceiver

High sensitivity optical receiver module including PIN diode, low noise TIA and limiting amplifier. Low power consumption. Output interface with coaxial connector. Non-inverted, single-end AC-couple output. Due to their high sensitivity to electrostatic discharge, warranty coverage applies only to fully metal covered modules the benchtops, which include proper protection. Other versions of the lasers and photodetectors are not covered by any warranty. Please use them with great caution.

12 GHz LN Fiber Optical Transmitter/Converter – Turnkey

The EOCV series Fiber Optical Transmitters (Electrical-to-Optical Converters) provide high-fidelity analog and digital optical signals from electrical inputs, supporting a wide frequency range of DC to 10 GHz. These user-friendly turnkey modules integrate a Lithium Niobate Fiberoptic Modulator, a DFB laser with driver, an automatic bias controller, high-performance control circuits, and a DC power supply, into a convenient plug-and-play benchtop unit. The benchtop unit features a front switch to select between three modulator bias modes: Peak and Null for high on/off contrast, and Quadrature for superior linearity in E-O conversion. The laser output power is also adjustable via a front rotating knob, allowing users to fine-tune output settings.

12 GHz Plug-Play Electro-Absorption Modulated Fiber Optical Transmitter

The EMTX is a 12 GHz fiber optic transmitter designed for RF-over-fiber, antenna remoting, and broadband digital communication, offering high-fidelity RF-to-optical signal conversion. It features a monolithically integrated distributed feedback (DFB) laser coupled with a high-speed electro-absorption modulator (EAM) for efficiently converting both analog and digital RF signals into optical signals with high fidelity. The module contains a precision laser and a TEC controller, with a built-in DC bias circuit to ensure a linear response. The EMTX operates on a low-noise ±5V DC power supply, available as an optional accessory. The bias T voltage is adjustable via USB to optimize performance.

12, 25 GHz Fiber Optical Amplified InGaAs PIN Photodiode

The HSFD is a fiber-coupled InGaAs PIN photodiode integrated with a high-speed transimpedance amplifier (TIA), supporting data rates up to 25 Gb/s with differential output. It offers a flat response across a wide operating temperature range and is available with single-mode and multimode fiber coupling options, making it versatile for various high-speed optical communication applications. The multimode fiber coupling uses fiber tip lens technology for high efficiency.

12GHz Fiber Optical Amplified Photodetector / Photoreceiver

The PP-10G module consists of a low capacitance photodetector and a low noise GaAs transimpedance amplifier in a hermetic package with a connectorized single-mode fiber pigtail and a 50 Ω SMA electrical output. HBT is a linear amplifier. Due to their high sensitivity to electrostatic discharge, warranty coverage applies only to fully metal covered modules the benchtops, which include proper protection. Other versions of the lasers and photodetectors are not covered by any warranty. Please use them with great caution.

1310/1550nm 10GHz Transceiver without TIA

This series of Digital Transceivers is designed to provide an optical communication link between two points via a single strand of fiber with a data rate of up to 10GHz. Each transceiver consists of a DFB laser transmitter and a PIN detector receiver pair. They are available in wavelengths of 1310nm, 1490nm, and 1550nm, offering versatile wavelength division multiplexing (WDM) capability. For instance, bidirectional communication can be established using a single fiber link by employing two different wavelength transceivers along with matching WDM diplexer cable adaptors. One common setup involves pairing a 1310nm laser with a 1550nm detector at one end combined using a WDM diplexer, and a 1550nm laser with a 1310nm detector at the other end combined by a diplexer.

2 GHz High Sensitive APD Fiber Optical Amplified Photodetector / Photoreceiver

The FORX Linear Photoreceiver is designed for high-speed and high sensitivity analog and digital applications, featuring a surface-coupled coplanar waveguide APD photodiode and a linear transimpedance amplifier within a hermetically sealed package. Its high conversion gain and low input-referred noise ensure exceptional linearity and precision. For added convenience, we offer a driving PCB for easy integration and a metal box protective package to safeguard against ESD in laboratory environments, both come with a specially designed low noise power supply. Avalanche photodiodes (APDs) offer a better signal-to-noise ratio (SNR) than PIN photodiodes, primarily in low-light or low-signal conditions. Specifically, the SNR advantage of APDs is most significant when: 1.

2.5 GHz Fiber Optical Amplified Photodetector / Receiver

The RFOF Transmitter (Tx) and Receiver (Rx) pair is engineered to transmit analog or digital RF signals over optical fiber, providing a secure and reliable link between two short-distance locations. Designed for high-security applications, this system ensures low-loss, high-fidelity signal transport while maintaining signal integrity. An optional RF Fiber Break configuration is available, enabling unidirectional RF transmission over a single fiber link. This feature prevents signals from being passed in the return direction, ensuring one-way communication for enhanced security and isolation, often required in military and critical infrastructure applications. This series of RFOF links covers a wide frequency range from 5 MHz to 2.5 GHz, featuring an exceptionally flat frequency response for both analog and digital signals.

2.5, 5, 12, 25 GHz Fiber Optical Amplified InGaAs APD Photodiode

The APID is a fiber-coupled InGaAs APD photodiode integrated with a high-speed transimpedance amplifier (TIA), supporting data rates up to 25 Gb/s with differential output. It offers a flat response across a wide operating temperature range and is available with single-mode and multimode fiber coupling options, making it versatile for various high-speed optical communication applications. The multimode fiber coupling uses fiber tip lens technology for high efficiency. A matching evaluation PCB is available, featuring up to 8 GHz 3 dB analog bandwidth and SMA RF interfaces, with a single connector for single-ended output and dual connectors for differential outputs, enabling convenient testing and system integration.

35 GHz Fiber Optical Amplified Photodetector / Photoreceiver

The FORX Linear Photoreceiver is designed for high-speed analog and digital applications, featuring a surface-coupled coplanar waveguide PIN photodiode and a linear transimpedance amplifier within a hermetically sealed 14-pin butterfly package. Its high conversion gain and low input-referred noise ensure exceptional linearity and precision. For added convenience, we offer a driving PCB for easy integration and a metal box protective package to safeguard against ESD in laboratory environments, both come with a specially designed low noise power supply.

35 GHz Plug-Play Electro-Absorption Modulated Fiber Optical Transmitter

The EMTX is a 35 GHz fiber optic transmitter designed for RF-over-fiber, antenna remoting, and broadband digital communication, offering high-fidelity RF-to-optical signal conversion. It features a monolithically integrated distributed feedback (DFB) laser coupled with a high-speed electro-absorption modulator (EAM) for efficiently converting both analog and digital RF signals into optical signals with high fidelity. The module contains a precision laser and a TEC controller, with a built-in DC bias circuit to ensure a linear response. The EMTX operates on a low-noise ±5V DC power supply, available as an optional accessory. The bias T voltage is adjustable via USB to optimize performance.

40 GHz Fiber Coupled Balanced Photodetector / Photoreceiver

The GHBD Balanced Photoreceiver is designed for high-speed analog and digital light detection, offering exceptional performance with a differential gain of approximately 2800 V/W and a bandwidth of up to 40 GHz. It features two waveguide-integrated PIN photodiodes and a limiting amplifier in a compact SMD package with matched fiber lengths. The limiting amplifier delivers a differential output voltage swing of approximately 600 mV. The device achieves excellent electrical and optical phase propagation with a total skew of less than 5 ps between balanced signal paths and 10 ps total skew for all fiber pairs. Independent DC output voltage monitoring is available for OUTN and OUTP, and each amplifier path includes a threshold control at the linear amplification stage to optimize the differential output signal.

850nm Multimode Fiber Optical Amplified Photodetector / Photoreceiver

Our optical receiver is based on a breakthrough fabrication platform technology featuring industry-leading attributes in low cost, high coupling efficiency, and stability. Our bonding material not only meets NASA’s low outgas requirement, but is also capable of withstanding high temperatures (85°C). The package meets the Telecordia 1221 reliability standard. A fiber optic receiver is a device used to receive optical signals in an optical network. An optical receiver facilitates data transmissions between electronic devices (e.g., computer, input/output system, peripheral device, or switch) and optical data links in fiber optic systems. The fiber optic receiver is packaged in a stainless steel housing with an ST style connector.

8GHz Fiber Optical Amplified InGaAs PIN Photodetector

The FORX Photoreceiver is designed for high-speed and high sensitivity analog and digital applications, featuring a high bandwidth PIN photodiode and a linear preamplifier within a hermetically sealed coaxial package. The module incorporates a highly stable optical coupling system. Its low input-referred noise ensure exceptional linearity and precision. For added convenience, we offer a driving PCB for easy integration and a metal box protective package to safeguard against ESD in laboratory environments, both come with a specially designed low noise power supply. Due to their high sensitivity to electrostatic discharge, warranty coverage applies only to fully metal covered modules the benchtops, which include proper protection. Other versions of the lasers and photodetectors are not covered by any warranty. Please use them with great caution.

DFB Butterfly Fiber Optic Transmitter 3GHz

The FOTR Series Fiber-Optic Transmitters convert high-speed electrical signals into laser output with excellent analog linearity, wide bandwidth, and high dynamic range. Designed for reliability, they feature a hermetically sealed 14-pin butterfly package with a thermo-electric cooler for wavelength stability, an internal power monitor with feedback control for constant output power, and an optical isolator to protect against reflection spikes. Built with a GaAs quantum well structure and grating aligned to ITU grids, they support multi-channel transmission through a single fiber. Each unit undergoes rigorous testing to ensure performance. The FOTR is available in all-in-one benchtop configurations, modules, or driver kits, with feedback control drivers and externally cooled mounting fixtures for precise wavelength stabilization..

Electro-Absorption Modulated Laser (EML) 12GHz

The EMLT Series Electro-Absorption Modulated Laser Transmitter is a semiconductor laser that integrates a distributed feedback (DFB) laser and an electro-absorption modulator (EAM) within a single package. This design eliminates the need for external modulators, reducing system complexity, power consumption, and size while improving thermal management. Capable of modulation speeds up to 20 GHz for both analog and digital responses, the EMLT delivers high-speed modulation with precise optical output control. The integrated EAM minimizes wavelength shifts during modulation, ensuring stable signal transmission over long distances, making the EMLT ideal for high-speed optical communication systems. Its compact and efficient design is well-suited for modern applications requiring reliable, high-performance data transmission.

Electro-Absorption Modulated Laser (EML) 30GHz

The EMLT Series Electro-Absorption Modulated Laser Transmitter is a semiconductor laser that integrates a distributed feedback (DFB) laser and an electro-absorption modulator (EAM) within a single package. This design eliminates the need for external modulators, reducing system complexity, power consumption, and size while improving thermal management. Capable of modulation speeds up to 40 GHz for both analog and digital responses, the EMLT delivers high-speed modulation with precise optical output control. The integrated EAM minimizes wavelength shifts during modulation, ensuring stable signal transmission over long distances, making the EMLT ideal for high-speed optical communication systems. Its compact and efficient design is well-suited for modern applications requiring reliable, high-performance data transmission.

Fiber Optical Amplified Photodetector/Receiver – Components

InGaAs/Si Receiver Optical Sub Assembly (ROSA)

The ROSA (Receiver Optical Sub-Assembly) is built on a proven transceiver fabrication platform, offering industry-leading attributes in low cost, high bandwidth, high coupling efficiency, and long-term stability. As a key component in optical networks, it converts optical signals into electrical signals. This specific ROSA variant is designed without a transimpedance amplifier (TIA), enabling high-fidelity analog signal output and making it especially well-suited for precision analog applications. The sensitivity of the ROSA is approximately proportional to the photodetector’s active area, while the response speed is inversely proportional—highlighting a tradeoff between sensitivity and bandwidth. The optical power handling is scaled with detector’s area due to thermal conductivity and optical power density limit.

Plug-Play Fiber Optical Transmitter 2.5GHz Analog/Digital

The RFOF Transmitter (Tx) and Receiver (Rx) pair is engineered to transmit analog or digital RF signals over optical fiber, providing a secure and reliable link between two short-distance locations. Designed for high-security applications, this system ensures low-loss, high-fidelity signal transport while maintaining signal integrity. An optional RF Fiber Break configuration is available, enabling unidirectional RF transmission over a single fiber link. This feature prevents signals from being passed in the return direction, ensuring one-way communication for enhanced security and isolation, often required in military and critical infrastructure applications. This series of RFOF links covers a wide frequency range from 5 MHz to 2.5 GHz, featuring an exceptionally flat frequency response for both analog and digital signals.

Transmitter Optical Sub-Assembly (TOSA)

Our Transmitter Optical Sub-Assemblies (TOSA) are high-performance devices packaged for data communication links. These transmitters are specifically designed to efficiently launch optical power into fibers ranging from single-mode to multimode for up to 25GHz data transmission speed. These products combine features including high bandwidth, high optical power, and efficient coupled power, making them ideal transmitters for integration into all types of data communication equipment. The mechanical package is intended for PC Board or panel mounting.