1×2 Dual-Stage High Speed High Extinction Optical Switch – NanoSpeed™

50dB extinction, 60ns rise/fall, 300kHz, low loss, bidirectional, 850nm to 1620nm, 0 to 70 °C
  • Solid-State
  • High speed
  • Ultra-high reliability
  • Low insertion loss
  • Compact

Click 'Spec Sheet' for available configurations/part#


The NanoSpeed™ i-series fiber optic switches are fast on-off shutter device uniquely featuring very low optical loss, fast response, and high optical power handling. The high extinction of 50dB is achieved using a patent pending intelligent feedback electro-optical bias control technology, that maintains the optimum performance against drift and environment variations. The NS fiber-optic switch is designed to meet the most demanding switching requirements of ultra-high reliability for undersea, space, continuous switching operation, and longevity over 25 years. The switch is bidirectional. It is well suited to replace acoustic modulator with advantages of low loss, low power consumption, and low cost.

The NS Series switch is controlled by 5V TTL signals with a specially designed electronic driver having performance optimized for various repetition rate.  A wall pluggable DC power supply is accompanied with each devices.


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NanoSpeed Series Bias Control Switch Min Typical Max Unit
Central wavelength [1] 780 1650 nm
Insertion Loss [2]  1260~1650nm 0.6 1.0 dB
960~1100nm 0.8 1.3
Durability 1014 cycles
On-Off Ratio [3] 50 50 55 dB
PDL (SMF Switch only) 0.15 0.3 dB
PMD (SMF Switch only) 0.1 0.3 ps
ER (PMF Switch only)       18  25 dB
IL Temperature Dependency 0.25 0.5 dB
Return Loss 45 50 60 dB
Response Time (Rise, Fall) 50 80 ns
Fiber Type SMF-28, Panda PM, or equivalent
Driver Repeat Rate 60kHz driver DC 60 kHz
300kHz driver DC 300
Optic power

Handling [4]

Normal power 300 mW
High power 5 W
Operating Temperature -5 70 oC
Storage Temperature -40 85 oC

[1] Operation bandwidth is +/- 25nm approximately at 1550nm.

[2] Measured without connectors. For other wavelength, please contact us.

[3] Measured at 100kHz, which may be degraded at higher repeat rate.

[4] Defined at 1310nm/1550nm. For the shorter wavelength, the handling power may be reduced, please contact us for more information.