Fiber Optics - Transmitters

Fiber Optics - Transmitters - Discrete

Image	Part Number	Description / PDF	Quantity	Rfq
	HOD4090-111/BBA Honeywell Sensing and Productivity Solutions	MODULE FBR 1300NM PIN 850NMVCSEL	0
	HOD2236-111/BBA Honeywell Sensing and Productivity Solutions	MODULE FBR 1300NM LASER 850NMPIN	0
	HFX7000-200 Honeywell Sensing and Productivity Solutions	FIBER OPTIC PRODUCTS HEINL	0
	HFE4020-313/BBA Honeywell Sensing and Productivity Solutions	DETECTOR 850NM LED	0
	HFX6015-200 Honeywell Sensing and Productivity Solutions	FIBER OPTIC PRODUCTS HEINL	0
	HFE4026-313 Honeywell Sensing and Productivity Solutions	FIBER OPTIC	0
	HFE4070-500-ADA Honeywell Sensing and Productivity Solutions	LED 850NM GAALAS 4HOLE SMA	0
	HFM5500-BBF Honeywell Sensing and Productivity Solutions	HOST MODEM RS232 FIBER OPTIC	0
	HFM5500-BBM Honeywell Sensing and Productivity Solutions	HOST MODEM RS232 FIBER OPTIC	0
	HFX6015-210 Honeywell Sensing and Productivity Solutions	EMITTER IR 660NM 6PIN	0
	HFE1011-001-AAA Honeywell Sensing and Productivity Solutions	FIBER OPTIC DETECTOR	0
	HFE1011-E Honeywell Sensing and Productivity Solutions	FIBER OPTIC DETECTOR	0
	HFE7020-210-5022 Honeywell Sensing and Productivity Solutions	FIBER OPTIC LED	0
	HFE4380-521 Honeywell Sensing and Productivity Solutions	FIBER OPTIC LED	0
	HFE8500-500-XBA Honeywell Sensing and Productivity Solutions	FIBER OPTIC LED	0
	HFE4020-313/ADA Honeywell Sensing and Productivity Solutions	FIBER OPTIC TRANSCEIVER	0
	HFE4070-500-XBA Honeywell Sensing and Productivity Solutions	LED 850NM GAALAS	0
	50005570-001 Honeywell Sensing and Productivity Solutions	LED 850NM GAAIAS	0
	HFE1011-590 Honeywell Sensing and Productivity Solutions	FIBER OPTIC DETECTOR	0
	HFE4091-341-5027 Honeywell Sensing and Productivity Solutions	FIBER OPTIC	0

Fiber Optics - Transmitters - Discrete

1. Overview

Discrete fiber optic transmitters are optoelectronic devices that convert electrical signals into optical signals through individual component packages. They serve as fundamental building blocks in fiber communication systems, enabling data transmission via modulated light waves. These transmitters play critical roles in telecommunications, data centers, and sensing applications due to their high bandwidth efficiency and electromagnetic interference immunity.

2. Major Types & Functional Classification

Type	Functional Characteristics	Application Examples
LED Transmitters	Low-cost, low-power, broad spectral width	Short-distance links ( 2km), premises networks
Laser Diodes (LD)	High power, narrow linewidth, high speed	Long-haul telecom, CATV systems
VCSELs	Low divergence beam, low power consumption	Data center interconnects (100G-400G)
Electro-absorption Modulated Lasers (EML)	Integrated modulation, low chirp	High-speed DWDM systems ( 100Gbps)

3. Structure & Components

Typical discrete transmitters consist of: (1) Light source (LED/LD/VCSEL chip), (2) Optical sub-assembly (OSA) with lens/filter, (3) Electrical interface (bonding wires/PCB), (4) Hermetic package (TO-can or surface-mount). Advanced designs integrate drivers/modulators in photonic integrated circuits (PICs).

4. Key Technical Specifications

Parameter	Significance
Wavelength (1270-1610nm)	Determines fiber transmission window and dispersion characteristics
Output Power (-20 to +20dBm)	Affects transmission distance and signal-to-noise ratio
Modulation Bandwidth (DC-67GHz)	Limits maximum data rate capability
Chirp Characteristics	Impacts dispersion penalty in high-speed systems
Operating Temperature (-40 to +85 C)	Determines environmental deployment flexibility

5. Application Domains

Primary industries include: Telecommunications (DWDM networks), Data Centers (QSFP modules), Cable TV (HFC networks), Industrial Sensing (strain/temperature monitoring). Typical equipment: Optical line terminals (OLTs), active optical cables (AOCs), OTDR test instruments.

6. Leading Manufacturers & Products

Vendor	Representative Product
II-VI Incorporated	100G CFP EML transmitter
Lumentum	Multi-junction VCSEL arrays
Finisar (II-VI)	TO-Can DFB lasers
Broadcom	Integrated TOSA assemblies
NeoPhotonics	High-power narrow-linewidth lasers

7. Selection Guidelines

Key considerations: (1) Match wavelength to system requirements (O-band/C-band), (2) Verify output power vs. link budget needs, (3) Ensure modulation bandwidth exceeds data rate requirements, (4) Evaluate thermal stability for operating environments, (5) Consider packaging form factor (TO/ROSA vs. SMT), (6) Balance cost/performance for volume deployments.

8. Industry Trends

Current development directions include: (1) 400G+ transmission through advanced modulation formats, (2) Silicon photonics integration for cost reduction, (3) Shortwave infrared (SWIR) sources for emerging applications, (4) AI-driven digital signal processing co-design, (5) Environmental compliance with RoHS/Green Photonics initiatives. Market growth in 5G fronthaul and automotive LiDAR applications is driving innovation in compact, low-power transmitters.