# APh 190c. Quantum Electronics

## Instructor:

Oskar Painter, Rm. 266 Watson, x8008.

## Place and Time:

TuTh 10:30-11:55AM, 104 Watson.

## Course Syllabus:

## TAs:

Mahmoud Kalaee (mh.kalaee at gmail dot com)

Greg MacCabe (gsmaccabe at gmail dot com)

Mohammad Mirhosseini (moh.mir at gmail dot com)

Paul Dieterle (pauldieterle at gmail dot com)

## Office Hours:

O. Painter: by appointment.

TA Office Hours: Tu and Th, 4-6PM (or by appointment), Watson 268.

Recitation/Make-up Lecture (as needed): 6-8PM, Wednesday evenings in Watson 104.

## Homeworks and Handouts:

### Week 1 (4.4 and 4.7): away

### Week 2 (4.11 and 4.13): course overview and quantum noise

Homework: HW#1

Clerk2010: arXiv_Clerk_Schoelkopf_introduction_quantum_noise_measurement_amplification_2010.pdf

Beamsplitters for QIP:

J_Mod_Opt_Zeilinger_Bernstein_Horne_information_systems_with_two_state_two_particle_systems_1994.pdf

Weihs_Zeillinger_photon_statistics_at_beamsplitters_QIP.pdf

### Week 3 (4.18, 4.19 (make-up #1), 4.20): homodyne/heterodyne detection, input/output theory

Homework: HW#2

Homodyne/heterodyne papers:

IEEE_JQE_Shapiro_quantum_and_excess_noise_homodyne_heterodyne_receivers_1985.pdf

OL_Schumaker_noise_in_homodyne_detection_1984.pdf

OL_Yuen_Chan_noise_homodyne_heterodyne_detection_1983.pdf

PRA_Yurke_squeezed_coherent_state_generation_and_detection_homodyne_1985.pdf

Input/output theory papers:

PRA_Gardiner_Collett_input_output_theory_1985.pdf

Barnett and Radmore chapters:

### Week 4 (4.25, 4.26 (make-up #2), 4.27): coherent states, squeezed states, phase-space distribution functions. and non-degenerate parametric down conversion

Homework: HW#3

Barnett and Radmore chapters:

### Week 5 (5.2 and 5.4): weak measurements, continuous position measurement of a mechanical object

Homework: HW#4

PRL_Schuster_Schoelkopf_ac_Stark_shift_dephasing_SC_qubit_coupled_to_cavity_2005

Nature_Safavi_Naeini_Ponderomotive_Squeezing_2013

Nature_Safavi_Naeini_Ponderomotive_Squeezing_2013_SI

Nature_Safavi_Naeini_Ponderomotive_Squeezing_2013_Focus

### Week 6 (5.9 and 5.11): QND measurement of a qubit

Homework: HW#5

### Week 7 (5.16 and 5.18): generalized theory of linear detectors/amplifiers

Homework: HW#6

Paper II: Ludwig et al. - 2012 - Enhanced quantum nonlinearities in a two-mode optomechanical system

Paper III: Murch et al. - 2013 - Observing single quantum trajectories of a superconducting quantum bit

Plenio, Knight - 1998 - The quantum-jump approach to dissipative dynamics in quantum optics

### Week 8 (5.23 and 5.25): paramp; intro to waveguide-QED

**No Homework!**

Caves_noise_limits_amplifier_PRD_1982

### Week 9 (5.30 and 6.1): waveguide-QED, cont.

### Week 10 (6.5 and 6.9): final exam period

## Resources:

RMP_Plenio_Quantum_Monte_Carlo_Methods_1998

Quantum Optics Toolbox (zip file)