Fiber Optics - Receivers

Part Number	Description / PDF	Quantity
AFBR-2418Z Broadcom	TXRX OPT 50MBD ST PORT	738
AFBR-2528CZ Broadcom	RECEIVER FIBER OPTIC 658NM 10MBD	299
HFBR-2406Z Broadcom	RCVR MOD FIBER OPT 125MHZ SMA	1
HFBR-2414TZ Broadcom	RCVR MOD HP FIBER OPTIC ST	137
SP000063855 Broadcom	PHOTO DETECTOR RECEIVER	3349
HFBR-2525EZ Broadcom	RCVR OPTICAL 10MBD	430
AFBR-2419Z Broadcom	FIBER OPTIC RECEIVER	0
SP000063852 Broadcom	PHOTODIODE DETECTOR RECEIVER	1072
HFBR-2416TCZ Broadcom	RECEIVER FIBER OPT 125MHZ ANA ST	466
TORX1355(F) Toshiba Electronic Devices and Storage Corporation	TOSLINK OPTICAL RECEIVING MODULE	0
TORX1353(V,F) Toshiba Electronic Devices and Storage Corporation	TOSLINK OPTICAL RECEIVING MODULE	71
IF-D96F Industrial Fiber Optics, Inc.	DETECTOR PHOTOLOG FIB OPT 5 TTL	0
HFBR-2526Z Broadcom	125MBD 650NM RECEIVER IN HORIZ	450
PLR135/T6 Everlight Electronics	RECEIVER FIBER OPT IR PHOTOLINK	1311
OPF520 TT Electronics / Optek Technology	RECEIVER FIBER OPTIC 5 MB TO-18	215
HFBR-2522ETZ Broadcom	FIBER OPTIC RCVR 1.67V VERSATILE	0
PLR135/T10 Everlight Electronics	RECEIVER FIBER OPT IR PHOTOLINK	22937
IF-D97 Industrial Fiber Optics, Inc.	DETECTOR PHOTOLOG FO 400-1050NM	455
TORX1350A(F) Toshiba Electronic Devices and Storage Corporation	OPTICAL LINK RECEIVING MODULE 10	59
EAPLTBA1 Everlight Electronics	FIBER OPTIC RECEIVER	0

Fiber Optics - Receivers

1. Overview

Fiber optic receivers are optoelectronic devices that convert optical signals transmitted through optical fibers into electrical signals. As critical components in fiber optic communication systems, they perform photon-to-electron conversion through semiconductor materials like silicon (Si), indium gallium arsenide (InGaAs), or germanium (Ge). Modern high-speed communication networks, sensing systems, and data centers rely on these devices for reliable signal detection with bandwidth capabilities extending from hundreds of MHz to 100+ Gbps.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
PIN Photodiode	High linearity, low capacitance, fast response (ns range)	Telecom networks, optical power meters
APD (Avalanche Photodiode)	Internal gain mechanism, improved SNR	Long-haul DWDM systems, LIDAR
Phototransistor	High sensitivity, low cost	Short-range links, industrial sensors
Integrated Receiver	Combined detector and transimpedance amplifier	400G/800G optical modules

3. Structure and Components

Typical fiber optic receiver architecture includes:

Optical Interface: FC/SC/LSH connectors with anti-reflective coated windows
Photodetector: Semiconductor chip with active area (50 m-2mm diameter)
Thermal Management: Heat sink or TEC (thermoelectric cooler) for stability
Pre-amplifier: Transimpedance amplifier (TIA) for current-to-voltage conversion
Electrical Interface: SMA/BNC connectors or PCB-mounted pads

4. Key Technical Specifications

Parameter	Description	Importance
Responsivity	0.5-1.5 A/W	Determines conversion efficiency
Bandwidth	100MHz-100GHz	Limits data transmission rate
Dark Current	<10nA	Impacts signal-to-noise ratio
Operating Wavelength	850nm/1310nm/1550nm	Matches fiber transmission windows
Dynamic Range	-20 to -60dBm	Defines signal power tolerance

5. Application Fields

Primary application domains include:

Telecommunications: 5G fronthaul/backhaul, DWDM networks
Data Centers: 400G QSFP-DD optical modules
Medical: Endoscopic imaging systems
Industrial: Optical proximity sensors
Aerospace: Fiber optic gyroscopes (FOG)

Case Study: 100G LR4 receiver modules in backbone networks enable 10km transmission with four 25G channels via wavelength division multiplexing.

6. Leading Manufacturers and Products

Manufacturer	Product Series	Key Features
Finisar	FTRx-100G	C-band 100G coherent receiver
Hamamatsu	G12132-01	Planar InGaAs APD array
Lumentum	OC5xx Series	High-power photodiode modules
Thorlabs	DET01CFC	Compact fiber-coupled receiver

7. Selection Guidelines

Key considerations for component selection:

Match wavelength sensitivity to transmitter (850nm/1310nm/1550nm)
Ensure bandwidth exceeds system data rate by 20%
Select appropriate dynamic range for link budget
Evaluate temperature stability (-40 to +85 C operational range)
Consider form factor (TO-can, butterfly package, surface-mount)

Industry Trends Analysis

Future development shows:

Integration of photodetectors with CMOS circuits (SiPh)
Adoption of Bessel filters for 0.5THz+ bandwidth receivers
Cost reduction through silicon photonics mass production
Advancements in single-photon avalanche diodes (SPADs) for quantum communication
Miniaturization for pluggable modules (OSFP, QSFP-DD)

Market growth projections indicate 9.8% CAGR until 2027, driven by 5G and hyperscale data center expansions.