Agiltron NanoSpeed™ 1x1 Series Fiber Optical Switch

Product Overview

The NanoSpeed™ 1x1 series fiber optic switches are fast shutter devices featuring very low loss, fast response, and high optical power handling. This is achieved using patented non-mechanical configurations with solid-state all-crystal designs, which eliminates the need for mechanical movement and organic materials. The NS fiber-optic switch is designed to meet the most demanding switching requirements of ultra-high reliability, fast response time, and continuous switching operation. The switch is bidirectional and selectable for polarization-independent or polarization-maintain by the fiber type. The NS Series switch is controlled by 5V TTL signals with a specially designed electronic driver having performance optimized for various repetition rates. The rise/fall time is intrinsically related to the crystal properties, and the repetition rate is associated with the driver. The NS devices are shipped mounted on a tuned driver. The NS series switches respond to a control signal with any arbitrary timing with frequency from DC up to MHz. The electrical power consumption is related to the repetition rate the switch is operated. The dual-stage configuration increases the extinction ratio or cross-talk value.

Features

• Solid-State
• High speed
• Ultra-high reliability
• Low insertion loss
• Compact

Applications

• Optical blocking
• Configurable operation
• Instrumentation

Specifications

Notes:
[1]. Operation bandwidth is ±25nm approximately at 1550nm. The wavelength shorter than 960nm can be implemented in the special version, please check our premium (NP) or Ultra-fast (NF) series.
[2]. Measured without connectors. For other wavelength, please contact us.
[3]. ±25nm, Measured at 5kHz, 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.

The specifications provided are for general applications with a cost-effective approach. If you need to narrow or expand the tolerance, coverage, limit, or qualifications, please click this link.

Warning: This is an OEM module designed for system integration. Do not touch the PCB by hand. The electrical static can kill the chips even without a power plug-in. Unpleasant electrical shock may also be felt. For laboratory use, please buy a Turnkey system.

Mechanical Dimensions

Normal Power (<=0.5W) Switches: Depicts a compact rectangular unit with two fiber ports (Input/Output) on one end and a two-pin connector on the other. Key dimensions are provided.

High Power (1~2W) Switches: Shows a slightly larger rectangular unit with two fiber ports (Input/Output) on one side and a "Dumping port" on the opposite side. It features a central mounting area with four screw holes. Key overall dimensions are listed.

High Power (5~10W) Switches: Indicated as "TBD".

High Power (>10W) Switches: Indicated as "TBD".

100kHz Driver Mechanical Drawing (mm) with normal power NS-1x1: A drawing of a printed circuit board (PCB) with electronic components, including a "Back view" showing mounting holes and connector locations. Key dimensions of the PCB assembly are shown.

300kHz Driver Mechanical Drawing (mm): Detailed mechanical drawings of a metal enclosure for the driver, presented from top, side, and isometric perspectives. Dimensions for the enclosure, mounting points, and connectors are specified.

Benchtop Box Mechanical Dimension: A drawing of a rectangular benchtop enclosure designed for the fiber optical switch, featuring multiple fiber optic connectors on the front panel. Overall dimensions are provided.

Optical Path Driving Table

Driving Board Selection

Note: For customers that prefer to design their own driving circuit, they are responsible for the optical performance. For more technical information, please contact us.

Measurement Data

Typical On-Off Ratio vs. Wavelength at 1550nm: A line graph plotting "On-Off ratio (dB)" on the Y-axis against "Wavelength (nm)" on the X-axis, showing performance around 1550nm.

Typical Speed Response Measurement: An oscilloscope display showing two waveforms, "Optical" and "Electrical", illustrating the switching response time. Key measurement markers from the oscilloscope are visible, including "M Pos: 151.0ns", "CH1 500mV", "CH2 500mV", "M 50.0ns", "CH1 1.34V".

Ordering Information

Notes:
[1]. NSSW - Normal power (≤0.5W) version
[2]. NHSW - 2W version
[3]. NHHW - ≥5W version
[4]. The version with red color can be implemented in the special version, may take a long lead-time.
[5]. Please contact for high power connectors.
[6]. The Metal Enclosure protects the device against PCB damage and fiber breakage making it an instrument grade.
[7]. High power ≥10W of 1x1 switch will be customized in the special package, please contact us.

Additional Notes: PM1550 fiber works well for 1310nm. Opaque: light is blocked without applying a voltage. Transparent: light goes through without applying a voltage.

Q & A

Q: Does NS device drift over time and temperature?

A: NS devices are based on electro-optical crystal materials that can be influenced to a certain range by the environmental variations. The insertion loss of the device is only affected by the thermal expansion induced miss-alignment. For extended temperature operation, we offer special packaging to -40 to 100 °C. The extinction or cross-talk value is affected by many EO material characters, including temperature-dependent birefringence, Vp, temperature gradient, optical power, at resonance points (electronic). However, the devices are designed to meet the minimum extinction/cross-talk stated on the spec sheets. It is important to avoid a temperature gradient along the device length.

Q: What is the actual applying voltage on the device?

A: 100 to 400V depending on the version.

Q: How does the device work?

A: NS devices are not based on Mach-Zander Interference, rather birefringence crystal's nature beam displacement, in which the crystal creates two different paths for beams with different polarization orientations.

Q: What is the limitation for faster operation?

A: NS devices have been tested to have an optical response of about 300 ps. However, practical implementation limits the response speeds. It is possible to achieve a much faster response when operated at partial extinction value. We also offer resonance devices over 20MHz with low electrical power consumption.

Operation Manual

1. Connect a control signal to the SMA connector on the PCB.
2. Attach the accompanied power supply (typically a wall-pluggable unit).
3. The device should then function properly.

Note: Do not alter device factory settings.

Application Notes

Fiber Core Alignment

Note that the minimum attenuation for these devices depends on excellent core-to-core alignment when the connectors are mated. This is crucial for shorter wavelengths with smaller fiber core diameters that can increase the loss of many decibels above the specification if they are not perfectly aligned. Different vendors' connectors may not mate well with each other, especially for angled APC.

Fiber Cleanliness

Fibers with smaller core diameters (<5 µm) must be kept extremely clean, contamination at fiber-fiber interfaces, combined with the high optical power density, can lead to significant optical damage. This type of damage usually requires re-polishing or replacement of the connector.

Maximum Optical Input Power

Due to their small fiber core diameters for short wavelength and high photon energies, the damage thresholds for device is substantially reduced than the common 1550nm fiber. To avoid damage to the exposed fiber end faces and internal components, the optical input power should never exceed 20 mW for wavelengths shorter 650nm. We produce a special version to increase the how handling by expanding the core side at the fiber ends.

Contact Information & Legal Notices

Photonwares Corporation

Phone: +1 781-935-1200 | Email: sales@photonwares.com | Website: www.agiltron.com

Information contained herein is deemed to be reliable and accurate as of the issue date. Photonwares reserves the right to change the design or specifications at any time without notice. Agiltron is a registered trademark of Photonwares Corporation in the U.S. and other countries.

Revision Date: 08/27/25

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