公司简介
EOspace成立于1997年底，位于华盛顿州西雅图郊区的城市Redmond。Eospace的前身是波音公司高技术中心。EOspace公司是业界设计和制造最低插入损耗和以最大带宽铌酸锂（LiNbO3）为材料的工业元件和光学集成电路（IC）的著名厂商。EOspace在波音公司高技术中心的研发已超过十年，是光学工业一体化合作中运行时间最长团队。此外，几个关键的团队成员有着近20年的经历，可以追溯到80年代早期的TRW电子光学研究中心。EOspace具备完整的in-house制造能力，包括晶圆处理，电气和光学元件组装和测试。
技术能力
EOspace产品的特色是非常低的插入损耗和非常高的带宽，并且基于专有的铌酸锂（LiNbO3）的集成光学技术设计完成。从最初满足非常苛刻的航空航天应用需要高频率微波光纤传输采用业界最先进的光学集成电路技术，到现在广泛用于宽带商业电信和航空航天应用等领域。
产品列表
Phase Modulators
Key Specifications
Ultra-Low Vpi | Extra BW | Ultra-Low Loss | |
Insertion Loss | < 4 dB (<3 opt) | < 4 dB (<3 opt) | < 3 dB (<2 opt) |
3 dB Bandwidth | >10, >20 GHz | >30 GHz | >10, >20 GHz |
Modulation Port Vpi (@ 1 GHz) | < 3 volts | < 4 volts | < 5 volts |
S11 | < -10 dB | ||
Optical Return Loss | > 50 dB | ||
Package Dimensions | 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm3) | ||
RF Connector | female K (<20 GHz), female V (20-40 GHz) | ||
Operating Wavelength | 1.55 micron (C- and L-band) (0.7, 0.85, 0.98, 1.06, 1.3, 1.7, 2.0+micron available) | ||
Input Fiber | PM | ||
Output Fiber | SM or PM | ||
Optical Connectors | FC/UPC standard (FC/APC & others available) | ||
Options | Ultra-low insertion loss Custom ultra-low Vpi Integrated polarizer Integrated attenuator (VOA) Polarization scrambler | ||
40+ Gb/s Modulators
Low-loss and wideband intensity modulators for OC-768 applications |
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Key Specifications
Z-Cut Fixed pre-chirp | X-Cut Zero-chirp | |
Insertion Loss | < 4 dB (<3 opt) | < 5 dB (<4 opt) |
3 dB Bandwidth | > 30 GHz | > 25 GHz |
Modulation Port Vpi (@ 1 GHz) | < 4.0 volts | < 5.0 volts |
DC Bias Port Vpi (on a separate electrode) | < 10 volts | |
S11 (0.13 to 25 GHz) | < -10 dB | |
Optical Null Depth (@ DC) | > 20 dB | |
Optical Return Loss | > 50 dB | |
Alpha Chirp Factor | -0.7 ± 0.1 | 0.0 ± 0.1 |
Package Dimensions | 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm3) | |
RF Connector | female V | |
Operating Wavelength | 1.55 microns (C- and L-Band) (0.8, 1.06, 1.3 microns available) | |
Input Fiber | PM | |
Output Fiber | SM or PM | |
Optical Connectors | FC/PC standard (FC/APC & others available) | |
Options | Ultra-low insertion loss Dual-wavelength operation (1.3/1.55) Integrated monitor photodiode Integrated polarizer External RF termination port Integrated phase modulator Dual complementary outputs (1x2, 2x2) Custom alpha chirp factors | |
Polarization Controllers
Key Specifications
3-Stage | 4-Stage | 6-Stage | 8-Stage | |
Insertion Loss | < 3 dB (<2dB opt) | |||
3 dB Bandwidth | >1 MHz | |||
Number of Cascaded Stages (N) | 3 | 4 | 6 | 8 |
2Vo/N (TE/TM rotation, per stage) | < 14 volts | |||
Vpi/N (TE/TM phase shift, per stage) | < 14 volts | |||
|Vbias/2| | < 30 volts | |||
PDL | < 0.2 dB | |||
Optical Return Loss | > 50 dB | |||
Operating Wavelength | 1.55 micron (C- and L-band) | |||
Input Fiber | SM or PM | |||
Output Fiber | SM or PM | |||
Optical Connectors | FC/UPC standard (FC/APC & others available) | |||
Package Dimensions | 4.0" x 0.35" x 0.24" (101.6 x 8.9 x 6.1 mm3) | |||
Options | Lower PDL (< 0.1 dB) Custom number of stages Custom stage lengths 1.06 & 1.3 micron operating wavelength | |||
Short-λ Modulators
Low-loss and wideband intensity and phase modulators for short-wavelength applications |
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Key Specifications
Intensity Modulators | High Extinction Ratio Intensity Modulators | Phase Modulators | |
Insertion Loss | < 4 dB (<3 opt, <2 dB available) | ||
Data Rate | 10, 20, 40 Gb/s | ||
Modulation Port Vpi (@ 1 GHz) | < 4 volts (<3 volts opt) | ||
DC Bias Port Vpi | < 10 volts | Optional | |
S11 | < -10 dB | ||
Optical Null Depth (@ DC) | > 18 dB | >30 dB (>40, >50 dB opt) | NA |
Optical Return Loss | > 50 dB | ||
Package Dimensions | 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm3) | ||
RF Connector | female K (<20 GHz), female V (20-40 GHz) | ||
Operating Wavelength | 1.06 microns (0.7, 0.85, 0.98 available) | ||
Input Fiber | PM | ||
Output Fiber | SM or PM | ||
Optical Connectors | FC/UPC standard (FC/APC & others available) | ||
Options | Ultra-low insertion loss Integrated monitor photodiode Integrated polarizer Integrated phase modulator Dual complementary output External RF Termination Port | ||
1x2 and 2x2 Dual-Output Modulators
Our 12.5, 20, and 40 Gb/s intensity modulators can be packaged with dual complementary outputs |
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Example Specifications (please call for your application)
12.55 Gb/s 1x2 Dual-Output Modulator | |
Insertion Loss | < 3.5 dB (< 2.5 dB opt) |
Output Balance | ± 0.25 dB |
3 dB Bandwidth | >10, >16, >20 GHz |
Modulation Port Vpi (@ 1 GHz) | < 4.5 volts (< 3 V opt) |
DC Bias Port Vpi | < 10 volts |
S11 (0.13 to 12.5 GHz) | < -10 dB |
Optical Null Depth (@ DC) | > 18 dB |
Optical Return Loss | > 50 dB |
Package Dimensions | 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm3) Small form factor available |
RF Connector | female K |
Operating Wavelength | 1.55 micron (C- and L-Band) |
Input Fiber | PM |
Output Fiber | SM (PM optional) |
Optical Connectors | FC/UPC standard (FC/APC & others available) |
Options | Ultra-low insertion loss Z-cut or X-cut External RF termination port 2x2 dual-input, dual-output Larger bandwidth for 20 and 40 Gb/s Custom alpha chirp factors 1.06 & 1.3 micron operating wavelength |
Custom Modulators
Some examples: | |
| External RF Termination Port |
| Dual-Drive Modulation Electrode |
| Small Form Factor |
Small Form Factor 12.5+ Gb/s Modulators
A very low loss, extended bandwidth intensity modulator for OC-192 data rates and higher using Forward Error Correction (FEC) for high output power ultra-long-reach (80+ km) MSA transponder modules |
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Key Specifications (Preliminary)
Insertion Loss | < 3 dB |
3 dB Bandwidth | >12.5 GHz |
Modulation Port Vpi (@ 1 GHz) | < 5.0 volts |
Vpi PRBS @ 12.55 Gb/s | ~5.5 volts |
DC Bias Port Vpi | < 10 volts |
S11 (0.13 to 12.5 GHz) | < -10 dB |
RF Extinction Ratio | > 12 dB |
Optical Null Depth (@ DC) | > 20 dB |
Optical Return Loss | > 45 dB |
Alpha Chirp Factor | -0.7 ± 0.1 (z-cut) |
Package Dimensions (w/GPO) | 2.56" x 0.35" x 0.20" (65 x 8.9 x 5 mm3) |
RF Connector | GPO/SMP (K available) |
Operating Wavelength | 1.55 micron (C- and L-Band) |
Input Fiber | PM |
Output Fiber | SM or PM |
Optical Connectors | FC/PC standard (FC/APC & others available) |
Options | Ultra-low insertion loss Integrated monitor photodiode Integrated attenuator (VOA) Integrated phase modulator Dual complementary outputs Custom alpha chirp factors 1.06 & 1.3 micron operating wavelength |
Polarization Maintaining Splitters
| A low-loss polarization maintaining splitter |
Key Specifications
Excess Insertion Loss | < 3 dB |
Output Uniformity | < 0.5 dB |
Output Polarization Extinction Ratio | > 20 dB |
Available Splitting Ratios | 1x8, 1x16 |
Operating Wavelength | 1.55 micron (C- and L-band) |
Input Fiber | PM |
Output Fiber | PM |
Optical Connectors | FC/PC standard (FC/APC & others available) |
Options | Voltage tunability Custom configurations 1.06 & 1.3 micron operating wavelength |
High-Speed Switches
 | A family of low loss and high-speed switches
Two Versions Polarization Maintaining Polarization Independent |
Example Specifications (call for custom requirements)
Insertion Loss | < 3 dB (for 1x2 switch) |
Switching Time | << 100 ns |
Crosstalk | < 20 dB (for polarization maintaining) |
Configurations | 1x2, 2x2, ..., 1x8, ... |
Polarization | Independent or Maintaining |
Optical Return Loss | > 45 dB |
Operating Wavelength | 1.55 micron (C- and L-band) |
Input Fiber | SM or PM |
Output Fiber | SM or PM |
Optical Connectors | FC/PC standard (FC/APC & others available) |
Options | Sub-nanosecond switching times Crosstalk < 30 dB Arrays of 2x2 switches Custom configurations 1.06 & 1.3 micron operating wavelength |
Custom Optical ICs & Modules
EOSPACE has delivered many custom integrated optical circuits and modules for commercial and DoD applications
Some Examples (call for custom requirements)
 | A dual 4-bit programmable time delay module with < 6 dB insertion loss. |
| A 32 x 32 (4 paths, each with 8 wavelengths) optical cross-connect module |
| Large-scale optical Integrated Circuits (ICs) with ~200 integrated devices on a single substrate |
High-Speed Switch Matrices
| Integrated, low loss, high-speed, strictly non-blocking switch matrices useful for fast network reconfiguration or optical packet switching |
Example Specifications (call for custom requirements)
Insertion Loss | < 10 dB (for 8x8) |
Switching Time | << 100 ns |
Crosstalk | < 30 dB |
Polarization | Independent or Maintaining |
Optical Return Loss | > 45 dB |
Operating Wavelength | 1.55 micron (C- and L-band) |
Input Fiber | SM or PM |
Output Fiber | SM or PM |
Optical Connectors | FC/PC standard (FC/APC & others available) |
Options | Custom configurations 1.06 & 1.3 micron operating wavelength |
Intensity Modulators
LOW-VΠ COMPACT X-CUT MODULATOR
1x1, 1x2, Low-Vπ compact X-cut modulator.
20Ghz, 40Ghz
Extended Operation to >60Ghz version
Thinner GPPO version (65 x 5 x 9m)
Low-Vπ 0-20GHz X-cut Zero-chirp Compact Modulator
Vπ ~3.5-3.8V (@1GHz)
BW >20GHz
Insertion Loss <4dB and <3dB Versions
Broadband 0-40GHz X-cut Zero-chirp Compact Modulator
BW >30-35GHz, usable response >40GHz
Vπ ~4.5-5V (@1GHz)
Insertion Loss <4dB and <3dB Versions
DUAL-PARALLEL MZM
QPSK (I/Q) MODULATOR
(X-CUT SINGLE DRIVE)
LOW-VΠ VERSION: 25+GBAUD I/Q MODULATOR
Very low-Vπ ~2.9-3.3V (@1GHz)
BW >20-25GHz
Insertion loss <5dB and <4dB Versions
HIGH-BIT-RATE VERSION: 50 GBAUD I/Q MODULATOR
BW >30-35GHz, usable response >40 GHz
Vπ ~ 4-4.3V (@1GHz)
Insertion loss <5dB and <4dB Versions
Y-BRANCH 1X2 PHASE MODULATOR
CUSTOM SPECIFICATIONS
ULTRA-WIDEBAND (DC→65GHZ→110GHZ+) MODULATOR
LONG-Λ (2ΜM) PHASE & INTENSITY MODULATORS
BW >10 and 20GHz
Vπ<7V and Vπ<5V Versions
Insertion Loss <4dB and <3dB Versions
POLARIZATION MAINTAINING SPLITTERS
A LOW-LOSS POLARIZATION MAINTAINING SPLITTER
KEY SPECIFICATIONS
Polarization Maintaining Splitter | |
Excess Insertion Loss (dB) | < 3.0 |
Output Uniformity (dB) | < 0.5 |
Output Polarization Extinction Ratio (dB) | >20 |
Available Splitting Ratios | 1x8, 1x16 |
Operating Wavelength (mircon) | 1.55 (C-Band and L-Band) |
Input Fiber | Polarization Maintaining |
Output Fiber | Polarization Maintaining |
Optical Connections: FC/UPC Standard (FC/APC & Others)
Options: Voltage Tuneable
Options: Custom Configurations
Options: 1.06 & 1.3 micron Operating Wavelength
POLARIZATION CONTROLLERS
A low-loss and high-speed multi-stage polarization controller useful for polarization control, polarization mode dispersion (PMD) compensation, and polarization scrambling.
KEY SPECIFICATIONS
3-Stage | 4-Stage | 6-Stage | 8-Stage | |
Insertion Loss (dB) | < 3.0 or < 2.0 | < 3.0 or < 2.0 | < 3.0 or < 2.0 | < 3.0 or < 2.0 |
3 dB Bandwidth (MHz) | > 1 | > 1 | > 1 | > 1 |
# of Cascaded Stages (N) | 3 | 4 | 6 | 8 |
2VO/N (TE/TM rotation, per stage) (Volts) | < 14 | < 14 | < 14 | < 14 |
Vπ/N (TE/TM rotation, per stage) (Volts) | < 14 | < 14 | < 14 | < 14 |
Vbias/2 (Volts) | < 30 | < 30 | < 30 | < 30 |
Polarization Dependent Loss (dB) | < 0.2 | < 0.2 | < 0.2 | < 0.2 |
Optical Return Loss (dB) | > 50 | > 50 | > 50 | > 50 |
Package Dimensions: 4.0" x 0.35" x 0.25" (101.6 x 8.9 x 6.1 mm)
Operating Wavelength: 1.55 micron (C-Band or L-Band)
Input Fiber: Single Mode or Polarization Maintaining
Output Fiber: Single Mode or Polarization Maintaining
Optical Connections: FC/UPC Standard (FC/APC & Others)
Options: Lower PDL (< 0.1 dB)
Options: Custom Number of Stages
Options: Custom Stage Lengths
Options: 1.06 & 1.3 micron Operating Wavelength
Phase Modulators
Phase Modulators
A low-loss and wideband phase modulator for chirp control or coherent optical applications
Key Specifications
Ultra Low Vπ | Extra BW | Ultra Low-Loss | |
Insertion Loss (dB) | < 4.0 or < 3.0 | < 4.0 or < 3.0 | < 3.0 or < 2.0 |
3 dB Bandwidth (GHz) | >10, >20 | >30 | >10, >20 |
Modulation Port Vπ (1 @ GHz) (Volts) | < 3 | < 4 | < 5 |
S11 (dB) | < -10 | < -10 | < -10 |
Optical Return Loss (dB) | > 50 | > 50 | > 50 |
Package Dimensions: 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm)
RF Connector: Female K (<20 GHz), Female V (20-40 GHz)
Operating Wavelength: (0.7, 0.85, 0.98, 1.06, 1.3, 1.5, 2.0+micron)
Input Fiber: Polarization Maintaining
Output Fiber: Single Mode or Polarization Maintaining
Optical Connectors: FC/UPC Standard (FC/APC & others available)
Options: Ultra Low-Loss, Custom Ultra-Low VΠ
Options: Integrated Polarizer, Integrated Attenuator (VOA), Polarization Scrambler
40+ GB/S MODULATORS
Low-loss and wideband intensity modulators for OC-768 applications
KEY SPECIFICATIONS
Z-Cut Fixed Pre-Chirp | X-Cut Zero-Chirp | |
Insertion Loss (dB) | < 4.0 or < 3.0 | < 5.0 or < 4.0 |
3 dB Bandwidth (GHz) | >30 | >30 |
Modulation Port Vπ (@ 1 GHz) (Volts) | < 4.0 or < 3.5 | < 5.0 or < 4.0 |
DC Bias Port Vπ (Seperate Electrode) (Volts) | < 10 | < 10 |
S11 (0.13 to 25 GHz) (dB) | <-10 | <-10 |
Optical Null Depth (@ DC) (dB) | > 20 | > 20 |
Optical Return Loss (dB) | > 50 | > 50 |
Alpha Chirp Factor | -0.7 +/- 0.1 | 0.0 +/- 0.1 |
Package Dimensions: 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm)
RF Connector: Female V Connector
Operating Wavelength: 1.55 microns (C-Band and L-Band) (0.8, 1.06, 1.3 microns available)
Input Fiber: Polarization Maintaining
Output Fiber: Single Mode or Polarization Maintaining
Optical Connections: FC/UPC Standard (FC/APC & Others Available)
Options: Ultra Low-Loss, Dual Wavelength Operation (1.3/1.55)
Options: Integrated Monitor Photodiode, Integrated Polarizer
Options: External RF Termination Port, Integrated Phase Modulator
Options: Dual Complementary Output (1x2, 2x2)
Options: Custom Alpha Chirp Factors
SHORT-WAVELENGTH MODULATORS
Low-loss and wideband intensity and phase modulators for short-wavelength applications.
Intensity Modulators | High ER Intensity Modulators | Phase Modulators | |
Insertion Loss (dB) | < 4.0 or < 3.0 or < 2.0 | < 4.0 or < 3.0 or < 2.0 | < 4.0 or < 3.0 or < 2.0 |
Data Rate (Gb/s) | 10, 20, or 40 | 10, 20, or 40 | 10, 20, or 40 |
Modulation Port Vπ (@ 1 GHz) (Volts) | < 4 or < 3 | < 4 or < 3 | < 4 or < 3 |
DC Bias Port Vπ (Volts) | < 10 | < 10 | Optional |
S11 (dB) | < -10 | < -10 | < -10 |
Optical Null Depth (@DC) (dB) | >18 | >30, >40, or >50 | NA |
Optical Return Loss | >50 | >50 | >50 |
KEY SPECIFICATIONS
Package Dimensions: 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm)
RF Connector: Female K (< 20 GHz), Female V (20-40 GHz)
Operating Wavelength: 1.06 microns (0.7, 0.85, 0.98 Available)
Input Fiber: Polarization Maintaining
Output Fiber: Single Mode or Polarization Maintaining
Optical Connectors: FC/UPC Standard (FC/APC & Other Available)
Options: Ultra Low-Loss Insertion Loss
Options: Integrated Monitor Photodiode, Integrated Polarizer
Options: Integrated Phase Modulator
Options: Dual Complementary Output
Options: External RF Termination Port
10-20 GB/S MODULATORS
Low loss, extended bandwidth intensity modulators for OC-192 data rates and higher using Forward Error Correction (FEC)
(Eye diagrams measured for z-cut device)
Key Specifications
Z-Cut Fixed Pre-Chirp | X-Cut Zero-Chirp | |
Insertion Loss (dB) | < 3.0 or < 2.0 | < 4.0 or < 3.0 |
3 dB Bandwidth (GHz) | >10, >16, or >20 | >10, >16, or >20 |
Modulation Port Vπ (@ 1 GHz) (Volts) | < 4 | < 5 or < 4 |
DC Bias Port Vπ (Seperate Electrode) (Volts) | < 10 | < 10 |
S11 (dB) | <-10 | <-10 |
Optical Null Depth (@ DC) (dB) | > 20, >30, >40, >50, or >60 | > 20, >30, >40, >50, or >60 |
Optical Return Loss (dB) | > 50 | > 50 |
Alpha Chirp Factor | -0.7 +/- 0.1 | 0.0 +/- 0.1 |
Package Dimensions: 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm) Smaller Form Factor Housings Available
RF Connector: Female K Connector
Operating Wavelength: 1.55 microns (C-Band and L-Band) (0.8, 1.06, 1.3 microns available)
Input Fiber: Polarization Maintaining
Output Fiber: Single Mode or Polarization Maintaining
Optical Connections: FC/UPC Standard (FC/APC & Others Available)
Options: Ultra Low-Loss, Dual Wavelength Operation (1.3/1.55)
Options: Integrated Monitor Photodiode, Integrated Polarizer
Options: External RF Termination Port, Integrated Phase Modulator
Options: Dual Complementary Output (1x2, 2x2)
Options: High Extinction Ratio
1X2 AND 2X2 DUAL-OUTPUT MODULATORS
Our 12.5, 20, and 40 Gb/s intensity modulators can be packaged with dual complementary outputs.
EXAMPLE SPECIFICATIONS (PLEASE CALL FOR YOUR APPLICATION)
12.55 Gb/s 1x2 Dual Modulator | |
Insertion Loss (dB) | < 3.5 or < 2.5 |
Output Balanace (dB) | +/- 0.25 |
3 dB Bandwidth (GHz) | >10, >16, or >20 |
Modulation Port Vπ (@ 1 GHz) (Volts) | < 4.5 or < 3 |
DC Bias Port Vπ (Volts) | < 10 |
S11 (0.13 to 12.5) (GHz) | < -10 |
Optical Null Depth (@DC) (dB) | >18 |
Optical Return Loss (dB) | >50 |
Package Dimensions: 3.48" x 0.35" x 0.35" (88.4 x 8.9 x 8.9 mm) Smaller Form Factor Housings Available
RF Connector: Female K Connector
Operating Wavelength: 1.55 microns (C-Band and L-Band)
Input Fiber: Polarization Maintaining
Output Fiber: Single Mode (Polarization Maintaining Option)
Optical Connections: FC/UPC Standard (FC/APC & Others Available)
Options: Ultra Low-Loss, Z-Cut or X-Cut
Options: External RF Termination Port
Options: 2x2 Dual-Input, Dual-Output
Options: Larger Bandwidth for 20 and 40 Gb/s
Options: Custom Alpha Chirp Factors
Options: 1.06 & 1.3 micron Operating Wavelength
SMALL FORM FACTOR 12.5+ GB/S MODULATORS
A very low loss, extended bandwidth intensity modulator for OC-192 data rates and higher using Forward Error Correction (FEC) for high output power ultra-long-reach (80+ km) MSA transponder modules
KEY SPECIFICATIONS (PRELIMINARY)
Small Form Factor 12.5+ Gb/s Modulator | |
Insertion Loss (dB) | < 3.0 |
3 dB Bandwidth (GHz) | >12.5 |
Modulation Port Vπ (@ 1 GHz) (Volts) | < 5 |
Vπ PRBS (@ 12.55 GHz) (Volts) | ~ 5.5 |
DC Bias Port Vπ (Volts) | < 10 |
S11 (0.13 to 12.5 GHz) (dB) | < -10 |
RF Extinction Ratio (dB) | > 12 |
Optical Null Depth (@DC) (dB) | > 20 |
Optical Return Loss (dB) | > 45 |
Alpha Chirp Factor | -0.7 +/- 0.1 (Z-Cut) |
Package Dimensions: 2.56" x 0.35" x 0.20" (65.0 x 8.9 x 5.0 mm)
RF Connector: GPO/SMP (K Available)
Operating Wavelength: 1.55 microns (C-Band and L-Band)
Input Fiber: Polarization Maintaining
Output Fiber: Single Mode or Polarization Maintaining
Optical Connections: FC/UPC Standard (FC/APC & Others Available)
Options: Ultra Low-Loss
Options: Integrated Monitor Photodiode, Integrated Attenuater (VOA)
Options: Integrated Phase Modulator
Options: Dual Complementary Outputs
Options: Custom Alpha Chirp Factors
Options: 1.06 & 1.3 micron Operating Wavelength
Advanced Products
· Product Summary - Advanced Products
· Low-VΠ Compact X-Cut Modulator
· Dual-Parallel MZM QPSK (I/Q) Modulator
· Y-Branch 1x2 Phase Modulator
· Long-λ (2μm) Phase & Intensity Modulators
· Polarization Maintaining Splitters
