Fiber Optics - Receivers

Image	Part Number	Description / PDF	Quantity	Rfq
	AFBR-78D1SZ-ER1 Foxconn OE Technologies	MICROPOD SUPER DEUCE RX 10G	0
	HFBR-789BEZ Broadcom	RECEIVER 12X2.7GBD 62.5UM FO	0
	GFE1011-5083 Honeywell Sensing and Productivity Solutions	FIBER OPTIC	0
	SCMR-100M15G-10-25-10-F3A MITEQ, Inc.（L3 Narda-MITEQ）	FIBER OPTIC RECEIVER	0
	SBR-2500-50K MITEQ, Inc.（L3 Narda-MITEQ）	FIBER OPTIC RECEIVER	0
	SCMR-10M18G-10-25-10 MITEQ, Inc.（L3 Narda-MITEQ）	FIBER OPTIC RECEIVER	0
	GN3250-3EG7AM6E3 Semtech	IC ROSA 40KM LC	0
	GN3255-3EB7AM7E3 Semtech	IC ROSA 40KM LC XMD V2 FLEX	0
	GN3250-3EB7AN4E3 Semtech	IC ROSA 10GBPS 40KM TO-CAN	0
	LBR-DWDM-10M2G-10-15-10 MITEQ, Inc.（L3 Narda-MITEQ）	FIBER OPTIC RECEIVER	0
	SCMR-18G-E1 MITEQ, Inc.（L3 Narda-MITEQ）	18 GHZ FIBER OPTIC RECEIVER IN A	0
	GN3268-3EB7AQ5E3 Semtech	IC ROSA 10GBPS 40KM LC	0
	TORX1850(MEIDEN,F) Toshiba Electronic Devices and Storage Corporation	IC TRANSCEIVING MODULE	0
	LBR-1G2P5G-10-15-10-FA MITEQ, Inc.（L3 Narda-MITEQ）	FIBER OPTIC RECEIVER	0
	GFD0650-5032 Honeywell Sensing and Productivity Solutions	FIBER OPTIC	0
	173298-1 TE Connectivity AMP Connectors	CONN MOD TRANSISTOR PHOTO DNP	0
	GN3050-3EB6AM3E3 Semtech	IC ROSA GEN2 10KM LC XMD 5V FLEX	0
	GN3352-3EA8AP3E3 Semtech	IC ROSA 10G APD ROSA F10017FLEX	0
	LBR-10002 MITEQ, Inc.（L3 Narda-MITEQ）	FIBER OPTIC RECEIVER	0
	GN3255-3EB7AM2E3 Semtech	IC ROSA 40KM F10012/YF11126 FLEX	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.