Facilities
Fiber frequency comb
Model: DFC CORE+ (Toptica)
Description
Center wavelength: 1560 nm (20 nm of 3-dB bandwidth)
Wavelength extension: 633 nm (for Iodine HeNe laser calibration) and 1542 nm (for C2H2 laser calibration)
Repetition rate: 200 MHz
Accuracy: 10^-18 or same as reference
Stability: 8 x 10^-18 in 1 sec or same as reference
Frequency comb
Model: FC8004 (Menlo systems)
Description
Wavelength: 630-850 nm (output 1), 532 and 1064 nm (output 2)
Repetition rate: 200 MHz
Accuracy: 10^-14 or same as reference
Stability: 5 x 10^-15 in 1 sec or same as reference
Fiber femtosecond laser
Model: C-fiber (Menlo systems)
Description
Center wavelength: 1560 nm +/- 20 nm
Pulse width: 100 fs
Repetition rate: 250 MHz
Repetition rate locked to RF reference.
Ultra low noise laser
Model: ULN15TK
Description
Center wavelength of 1550 nm
100 Hz Linewidth (Lorentzian) with 70 dB Typical SMSR
Relative Intensity Noise (RIN) of -160 dBc/Hz
Typical Output Power of 120 mW
20 MHz Current Modulation Bandwidth
Frequency locked laser
Model: LLD1530 (Thorlabs) Link
Description
Vacuum emission wavelength: 1532.8323 nm
Frequency stabilized to a NIST-traceable transition of Acetylen (C2H2)
Stability: +/- 10 MHz (or +/- 0.08 pm)
Accuracy: +/- 15 MHz (or +/- 0.12 pm)
Linewidth: < 3 MHz
Optical power: 10 mW
Autocorrelator w FROG
Model: pulseCheck (APE) Link
Description
Scan range: < 50 ps
Measurable pulse width: 50 fs - 12 ps
Exchangeable Optics Sets for broadest spectrum coverage from 200 nm to 12 μm
FROG for complete pulse characterization
Fiber coupled input (FC/APC)
Laser interferometer
Model: RLU (Renishaw)
Description
Laser wavelength: 632.818 nm
Laser wavelength accuracy: +/- 0.1 ppm over 3 years
Laser wavelength stability: < +/- 10 ppb @ 1 min.
Ranging resolution: 20 nm
Max. velocity: 2 m/s
Programmable optical filter
Model: WS-1000B (II-VI) Link
Description
Coverage of C+L band (1524-1613 nm)
Arbitrary control of attenuation and phase
Filter bandwidth: 18 GHz
Group delay control: +/- 15 ps
Attenuation control: 0 to 40 dB
Optical spectrum analyzer
Model:AQ6370C (Yokogawa) Link
Description
Wavelength range: 600 - 1700 nm
Wavelength accuracy: 0.01 nm
Wavelength resolution: 0.02 nm
Amplitude level range: -90 dBm to + 20 dBm
GHz resolution Optical spectrum analyzer
Model: OSA202C (Thorlabs) Link will be introduced in 2025.
Description
Wavelength range: 600 - 1700 nm
Spectral resolution: 7.5 GHz
Max input power: + 10 dBm
Level sensitivity: -70 dBm/nm
Optical switch
Model: PRO 800 with OSW8104 (Thorlabs) Link
Description
Operating wavelength: 1240 - 1610 nm
Switching time: < 1 ms
MEMS-based fiber optic switches
1x4 optical switching
EDFAs
500 mW PM EDFA
2 W non-PM EDFA
5 W non-PM EDFA
Phase noise analyzer
Model: APPH40G (Anapico) Link will be introduced in 2025.
Description
Frequency range: 1 MHz to 40 GHz
Phase noise sensitivity: - 190 dBc/Hz
Offset frequency range: 0.01 Hz to 100 MHz
Options with RF spectrum monitoring, time stability analysis, amplitude noise analysis
2 GHz RF signal generator
Model: SG384(Stanford Research Systems) Link
Description
DC to 6 GHz
1 μHz resolution
AM, FM, PM and sweeps
-116 dBc/Hz phase nose (20 kHz offset @ 1 GHz)
20 GHz low-noise signal generator
Model: SC5510A (signalcore) Link
Description
Frequency range: 100 MHz to 20 GHz
Residual phase noise: < - 137 dBc/Hz @ 10 kHz, 1GHz
Max output power: +15 dBm
USB interfaces
24 GHz portable signal generator
Model: SynthHD PRO (v2) (Windfreak) Link
Description
2 ch output
Frequency range: 10 MHz to 24 GHz
Residual phase noise: < - 115 dBc/Hz @ 10 kHz, 1GHz
Max output power: +15 dBm @ 10 GHz, + 8 dB, @ 20 GHz
USB interfaces
Servo controller
Model: LB1005 (Newport) Link
Description
Input voltage noise: < 10 nV/Hz1/2
Input/output voltage: +/- 10 V
Bandwidth: > 10 MHz
Adjustable gain: -40 to + 40 dB
Adjustable P-I corner frequency range: 10 Hz to 1 MHz
2 ch FFT analyzer
Model: SR780 (Stanford Research Systems) Link
Description
DC to 102.4 kHz bandwidth
90 dB dynamic range
FFT resolution: 800 lines
GPIB and RS-232 interfaces
RF spectrum analyzer
Model: N9000A (Agilent) Link
Description
Frequency range: 9 kHz to 3 GHz
±0.5 dB absolute amplitude accuracy
-145 dBm displayed average noise level (DANL)
RF spectrum analyzer
Model: 8592L (Hewlett Packard) Link
Description
Frequency range: 9 kHz to 22 GHz
142 dB amplitude measurement range: -112 dBm to + 30 dBm
Phase noise of -105 dBc/Hz at 30 kHz offset
Multifunctional DAQ
Model: Moku:Lab (Liquid Instruments) Link
Description
Multifunctional hardware platform based on FPGA
Input: 2 ch, DC-200 MHz, 500 MSa/s
Output: 2 ch, DC to 300 MHz, 1 GSa/s
Fuctions: Lock-in amplifier, waveform generator, oscilloscope, frequency response analyzer, arbitrary waveform genertor, PID controller, phase meter, data logger, spectrum anaylzer, laser lock box, digital filter box, FIR filter builder
Lock in amplifier
Model: SR830 (Stanford Research Systems) Link
Description
100 kHz measurement range
0.01 degree phase resolution
GPIB and RS-232 interfaces
Lock in amplifier
Model: 7265 (EG&G) Link
Description
1 mHz to 250 kHz operation
10 us to 100 ks output time constant
Phase measurement accuracy: < 0.01 deg.
Programmable RF filters
Model: SR600 (Stanford Research Systems) Link
Description
Two independent filter channels
1 Hz to 100 kHz frequency range
Frequency counter
Model: 53220A(Agilent) Link
Description
Frequency range: upto 350 MHz
12 digits/s resolution, 100 ps timing resolution
2 Ch input
Laser diode controller
Model: ITC4005 (Thorlabs) Link
Description
Laser diode current range: 0 to 5 A
Setting resolution and accuracy: 1 mA and 2 mA
Noise and ripple: < 250 uA
External modulation bandwidth: DC to 100 kHz
Supports TEC current up to +-/ 15 A
Oscilloscope
Model: MSO-X 4054A (Agilent) Link
Description
500 MHz bandwidth, 5 GSPS sampling rate
4 analogue channels, 16 digital channels
1,000,000 wfms/s