Fiber Optics - Receivers

Part Number	Description / PDF	Quantity
PLR233 Everlight Electronics	RECEIVER FIBER OPT IR PHOTOLINK	0
CIPRM-110 Excelitas Technologies	MODULE OPTICAL RCVR INGAAS PIN	0
RXPMQPSK100-AV2 Foxconn OE Technologies	100G COHERENT RECEIVER	0
CIPRM-210 Excelitas Technologies	MODULE OPTICAL RCVR INGAAS PIN	0
20670153811 HARTING	FO D SUB 15 POLE MALE	0
SCMR-100K20G-30-15-10 MITEQ, Inc.（L3 Narda-MITEQ）	FIBER OPTIC RECEIVER	0
20670093811XL HARTING	FO D-SUB 9-POLE, MALE (PU 50PCS)	0
EAPLRBA0 Everlight Electronics	RECEIVER COMPONENT	0
PLR135/T2 Everlight Electronics	RECEIVER FIBER OPT IR PHOTOLINK	0
20500002116 HARTING	F-SMA RECEPTACLE WITH RECEIVER T	2
PLT137 Everlight Electronics	RECEIVER FIBER OPT IR PHOTOLINK	0
20500002119 HARTING	F-SMA RECEPTACLE WITH RECEIVER P	10
EAPLTBA0 Everlight Electronics	TRANSMITTER COMPONENT	0
PLT232/L5 Everlight Electronics	RECEIVER FIBER OPT IR PHOTOLINK	0
DR-125G-MV MITEQ, Inc.（L3 Narda-MITEQ）	FIBER OPTIC RECEIVER	6
20660093812 HARTING	D-SUB 9 POLE FEMALE WITH LED 660	8
EAPLRAA6 Everlight Electronics	RECEIVER MODULE	0
OPF507 TT Electronics / Optek Technology	RECEIVER FIBER OPTIC 200KPBS	0
GFD3500-002-BAA Honeywell Sensing and Productivity Solutions	FIBER OPTIC TTL RECEIVER	0
20500002226 HARTING	EMPF.-TTL 5MB SFH551 FH-PC LPM	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.