Precision Electro-Optic and Laser Technologies

Modern touch screen interface

Introducing SLICE: A new generation of photonics control tools!

Servo electronics

Offset phase locks

Precision PID Temperature Controller with sub-millikelvin stability

Up to 12 V compliance voltage - drive diodes, SOAs, TAs, ICLs, & QCLs

SLICE-DCC Dual-channel Current Controller

Ultra-low phase noise between master & offset-locked slave laser

D2-135 Offset Phase Lock Servo

≤5 µrad/√Hz phase jitter!

Full PI2D loop filter transfer function

D2-125 Reconfigurable Servo

10 MHz control bandwidth

Lock point jump feature

Lowest-noise controller

D2-105 Laser Controller

High modulation bandwidth

Two PID temperature control loops

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Vescent develops and manufactures novel electro-optic and laser technologies.  We offer frequency-stabilized diode laser systems and precision electronics; our scientists and engineers are continuously developing cutting-edge solutions to technical challenges.

Tools for AMO Scientists: Featured Products

New SLICE Photonics Control Tools

D2-210 Saturated Absorption Spectroscopy Module

D2-160 Beat Note Detector

D2-135 Offset Phase Lock Servo

Latest News

  1. Vescent Is Hiring! (5/28/2019) - Vescent Photonics is hiring!  We are looking for exciting, dynamic, enthusiastic contributors to our market-leading Development Team.  Come and join a team that is developing and bringing to market cutting edge laser and laser-control technology. Applicants will not be considered without a cover letter.
  2. New Firmware for SLICE-QTC (4/23/2019) - We have released new revisions of firmware for the SLICE-QTC Four-Channel Temperature Controller.  System Controller 1.24 and QTC 1.38 along with update instructions are now available on GitHub. 1.24 and 1.38 have new features and substantial stability improvements over the previous revisions.  We strongly urge all SLICE users to update today!
  3. Intern Positions at Vescent (4/23/2019) - Vescent Photonics is seeking two interns for the summer of 2019.  Come join us in Arvada, CO and enjoy on-the-job training while making a measurable difference to our market reach. Do you enjoy controlling instruments via embedded software and firmware?  We are looking for a programmer to grow their skill set while expanding the capabilities […]
  4. Micro-Resonator Soliton (3/18/2019) - Nicolas Volet et al. have reported on “Micro-Resonator Soliton Generated Directly with a Diode Laser” in Laser & Photonics Review. An external-cavity diode laser for 1550-nm wavelength is reported with ultra-low noise, high power coupled to a fiber, and fast tunability. These characteristics enable the generation of an optical frequency comb in a silica micro-resonator with […]
  5. Vescent is seeking a Digital Marketing Intern (3/5/2019) - Vescent Photonics, a leading designer of and photonics tools in the Denver, area, is looking for an intern to assist in digital marketing. This is a great opportunity to develop your marketing skills and put them to work. See details here.
  6. Phase Noise Between Two Phase Locked DBR Lasers (12/5/2018) - We measured the phase noise between two phase locked D2-100 DBR Lasers.  The phase noise (integrated from 1 Hz to 100 kHz) was measured to be <1.1 mrad.  Read the complete application note here.
  7. NEW SLICE-QT Temperature Controller (10/29/2018) - Introducing our NEW Slice-QT 4-channel temperature controller! The SLICE-QT features four independent PID temperature control channels for TECs or heater blocks. For more information, visit: Or watch our youtube video:
  8. Diode Laser System (10/23/2018) - Vescent Photonics is proud to introduce our Diode Laser Systems. A complete turn-key laser system, you get everything you need to go from box to locked in under 1 hour. For more information, visit us here. Or watch our youtube video!
  9. D2-250 Heterodyne Module (10/15/2018) - Vescent Photonics’ D2-250 Heterodyne Module is designed to conveniently overlap two lasers to produce an optical beat note. To learn more about our Heterodyne module, visit: Or watch our Youtube video:
  10. D2-210 Spectroscopy Module (10/8/2018) - Vescent Photonics is happy to present our D2-210 Spectroscopy Module.  Our D2-210 makes locking to atomic transitions easier and more powerful than ever before. For more information, visit: Or watch our youtube video:


Meet us at these conferences:

Conference on Lasers & Electro-Optics (CLEO)
San Jose Convention Center
7-9 May, 2019

The Division of Atomic and Molecular Optical Physics (DAMOP)
Milwaukee, WI
27-31 May, 2019

Laser World of Photonics (Laser Munich)
Messe München
24-27 June, 2019
Frontiers in Optics + Laser Science (FiO+LS)
Marriott Wardman Park, Washington, DC
17-18 September, 2019